Commit Graph

1801 Commits

Author SHA1 Message Date
Linus Torvalds
a13de74e47 IOMMU Updates for Linux v6.3:
Including:
 
 	- Consolidate iommu_map/unmap functions. There have been
 	  blocking and atomic variants so far, but that was problematic
 	  as this approach does not scale with required new variants
 	  which just differ in the GFP flags used.
 	  So Jason consolidated this back into single functions that
 	  take a GFP parameter. This has the potential to cause
 	  conflicts with other trees, as they introduce new call-sites
 	  for the changed functions. I offered them to pull in the
 	  branch containing these changes and resolve it, but I am not
 	  sure everyone did that. The conflicts this caused with
 	  upstream up to v6.2-rc8 are resolved in the final merge
 	  commit.
 
 	- Retire the detach_dev() call-back in iommu_ops
 
 	- Arm SMMU updates from Will:
 	  - Device-tree binding updates:
 	    * Cater for three power domains on SM6375
 	    * Document existing compatible strings for Qualcomm SoCs
 	    * Tighten up clocks description for platform-specific compatible strings
 	  - Enable Qualcomm workarounds for some additional platforms that need them
 
 	- Intel VT-d updates from Lu Baolu:
 	  - Add Intel IOMMU performance monitoring support
 	  - Set No Execute Enable bit in PASID table entry
 	  - Two performance optimizations
 	  - Fix PASID directory pointer coherency
 	  - Fix missed rollbacks in error path
 	  - Cleanups
 
 	- Apple t8110 DART support
 
 	- Exynos IOMMU:
 	  - Implement better fault handling
 	  - Error handling fixes
 
 	- Renesas IPMMU:
 	  - Add device tree bindings for r8a779g0
 
 	- AMD IOMMU:
 	  - Various fixes for handling on SNP-enabled systems and
 	    handling of faults with unknown request-ids
 	  - Cleanups and other small fixes
 
 	- Various other smaller fixes and cleanups
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCAAdFiEEr9jSbILcajRFYWYyK/BELZcBGuMFAmP0hDwACgkQK/BELZcB
 GuM43RAA0YieShO+X0h6TFGfbK0zVoPd91giZehWBv9rHK7pP4iY8UEtBLBWGx/t
 CId4t98mmKmC212zz8QxrwAEzyTIRY+2t1yrpG2aVkoTYk8inMb07TU37wganh3O
 T0QccXN+9b2BS4k8yro5f3uX0d/C1JQVcMowwr53VMb/e73huqP1VTbz06/CIWMH
 DUhVRCzmNhSvoUOT5n7g6+ZDH+pot8WPZbtHV7FowEsmPCRc7Fj8kXyI9FEwKwrZ
 hIV5Y+6Lej8nQScgbO8MfblJym3VrBoSoM4GY2w0L0rjQw6m+Xtea5rT0W39YVWy
 YpiscLTL8TIMPP9zK1dXVygTaABK4J2iWmheHPkpKXIhK0iuH3Dke0Do5p6DNITj
 7J2YlaNEB480D5hvNBKsbbGHavgGPT8m529Sz0R7mSC7omRzqiG5Vsb46IXL+2bc
 92ojjYNfXb6OCtagIr2LMBLZRL2JCODqF1dUmyZfA8GKOHLP5kZXoMM+sZbQ2aUL
 1LOxRZVx+tlb9V4VaH1ZSs/6eM+HLDzjtHeu3PoWYf6mW4AEt4S/yl9SKAkGdBqt
 jCUErmYB1nU/eefqG1jhWRpQeJabcT3Oe30NZru1pfMoREThhjbAACw1JxWtoe1X
 ipGpV6lAP7tQUGuRk3/9O1lNqElJuNwC5lVTjS4FJ38vYQhQbao=
 =ZaZV
 -----END PGP SIGNATURE-----

Merge tag 'iommu-updates-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull iommu updates from Joerg Roedel:

 - Consolidate iommu_map/unmap functions.

   There have been blocking and atomic variants so far, but that was
   problematic as this approach does not scale with required new
   variants which just differ in the GFP flags used. So Jason
   consolidated this back into single functions that take a GFP
   parameter.

 - Retire the detach_dev() call-back in iommu_ops

 - Arm SMMU updates from Will:
     - Device-tree binding updates:
         - Cater for three power domains on SM6375
         - Document existing compatible strings for Qualcomm SoCs
         - Tighten up clocks description for platform-specific
           compatible strings
     - Enable Qualcomm workarounds for some additional platforms that
       need them

 - Intel VT-d updates from Lu Baolu:
     - Add Intel IOMMU performance monitoring support
     - Set No Execute Enable bit in PASID table entry
     - Two performance optimizations
     - Fix PASID directory pointer coherency
     - Fix missed rollbacks in error path
     - Cleanups

 - Apple t8110 DART support

 - Exynos IOMMU:
     - Implement better fault handling
     - Error handling fixes

 - Renesas IPMMU:
     - Add device tree bindings for r8a779g0

 - AMD IOMMU:
     - Various fixes for handling on SNP-enabled systems and
       handling of faults with unknown request-ids
     - Cleanups and other small fixes

 - Various other smaller fixes and cleanups

* tag 'iommu-updates-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (71 commits)
  iommu/amd: Skip attach device domain is same as new domain
  iommu: Attach device group to old domain in error path
  iommu/vt-d: Allow to use flush-queue when first level is default
  iommu/vt-d: Fix PASID directory pointer coherency
  iommu/vt-d: Avoid superfluous IOTLB tracking in lazy mode
  iommu/vt-d: Fix error handling in sva enable/disable paths
  iommu/amd: Improve page fault error reporting
  iommu/amd: Do not identity map v2 capable device when snp is enabled
  iommu: Fix error unwind in iommu_group_alloc()
  iommu/of: mark an unused function as __maybe_unused
  iommu: dart: DART_T8110_ERROR range should be 0 to 5
  iommu/vt-d: Enable IOMMU perfmon support
  iommu/vt-d: Add IOMMU perfmon overflow handler support
  iommu/vt-d: Support cpumask for IOMMU perfmon
  iommu/vt-d: Add IOMMU perfmon support
  iommu/vt-d: Support Enhanced Command Interface
  iommu/vt-d: Retrieve IOMMU perfmon capability information
  iommu/vt-d: Support size of the register set in DRHD
  iommu/vt-d: Set No Execute Enable bit in PASID table entry
  iommu/vt-d: Remove sva from intel_svm_dev
  ...
2023-02-24 13:40:13 -08:00
Linus Torvalds
8395d932d2 Devicetree updates for v6.3:
DT core:
 - Add node lifecycle unit tests
 
 - Add of_property_present() helper aligned with fwnode API
 
 - Print more information on reserved regions on boot
 
 - Update dtc to upstream v1.6.1-66-gabbd523bae6e
 
 - Use strscpy() to instead of strncpy() in DT core
 
 - Add option for schema validation on %.dtb targets
 
 Bindings:
 - Add/fix support for listing multiple patterns in DT_SCHEMA_FILES
 
 - Rework external memory controller/bus bindings to properly support
   controller specific child node properties
 
 - Convert loongson,ls1x-intc, fcs,fusb302, sil,sii8620, Rockchip RK3399
   PCIe, Synquacer I2C, and Synquacer EXIU bindings to DT schema format
 
 - Add RiscV SBI PMU event mapping binding
 
 - Add missing contraints on Arm SCMI child node allowed properties
 
 - Add a bunch of missing Socionext UniPhier glue block bindings and
   example fixes
 
 - Various fixes for duplicate or conflicting type definitions on DT
   properties
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEktVUI4SxYhzZyEuo+vtdtY28YcMFAmP1dxgACgkQ+vtdtY28
 YcOkBw//RU8EHTznVRBSbLbolpMPLVF4CGmWeE9bxLTZWIUaSG1NyhQgyKmzGqCR
 nsu/g14y3ZCrr4wkNvygWjumsuKu+uwMY0eQtEXEvpb47NBR/nhFaZ8/DWp2TeAr
 INizwgr1gc1l3n8cuTL8OBIsu37iNEDVrUuTkcJCdhJkTsEMLK0dA82uBEIWWGPR
 dWvhNFjplrCkzycfdbzTG4LMgzmtJ5RtVMT61FgwDd04UtBEOeB6wR3HME0UftG0
 XxpzTtskMDiqEgzFFI3tZr82u3SrDzYPjeJVQkZC3VigV+s/ZW1Yh2t7/NH9negl
 fsidcNvFBAQFLIPY1QT+wJj3h2jmVThTKUjXo7KrmPgC1gJMaKrMsqQfcI/uqHm3
 xFd+Vr/nspIBuuAth+04hdb0sBpvyYaEHoRwPWSWXTdNG7O50pZT5k+e0Lg/jjkM
 LmL79yVDPE5hFyH1TfYdUMb5Xn3hui//UUvLaTK0F1AjdEYIvUYchFi5H/Vg7szr
 +qGraGMH5fLyNjvI/X8K1ajKNa0xUAKK9JxqM308tD6tMWryZyF0MWD1sjPsvl7T
 wBm2fjGaEjapJ7vyywYyuZu3WpTY0eUtOGYIQQ6F+4Q/1h1aj4SeeEGmzZxvOivB
 CoWXpYkH/HPoAv+EwWXfGPV4pqxY8L3ZnzV13NcGSvE7Ha7+glo=
 =ywsL
 -----END PGP SIGNATURE-----

Merge tag 'devicetree-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree updates from Rob Herring:
 "DT core:

   - Add node lifecycle unit tests

   - Add of_property_present() helper aligned with fwnode API

   - Print more information on reserved regions on boot

   - Update dtc to upstream v1.6.1-66-gabbd523bae6e

   - Use strscpy() to instead of strncpy() in DT core

   - Add option for schema validation on %.dtb targets

  Bindings:

   - Add/fix support for listing multiple patterns in DT_SCHEMA_FILES

   - Rework external memory controller/bus bindings to properly support
     controller specific child node properties

   - Convert loongson,ls1x-intc, fcs,fusb302, sil,sii8620, Rockchip
     RK3399 PCIe, Synquacer I2C, and Synquacer EXIU bindings to DT
     schema format

   - Add RiscV SBI PMU event mapping binding

   - Add missing contraints on Arm SCMI child node allowed properties

   - Add a bunch of missing Socionext UniPhier glue block bindings and
     example fixes

   - Various fixes for duplicate or conflicting type definitions on DT
     properties"

* tag 'devicetree-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (66 commits)
  dt-bindings: regulator: Add mps,mpq7932 power-management IC
  of: dynamic: Fix spelling mistake "kojbect" -> "kobject"
  dt-bindings: drop Sagar Kadam from SiFive binding maintainership
  dt-bindings: sram: qcom,imem: document sm8450
  dt-bindings: interrupt-controller: convert loongson,ls1x-intc.txt to json-schema
  dt-bindings: arm: Add Cortex-A715 and X3
  of: dynamic: add lifecycle docbook info to node creation functions
  of: add consistency check to of_node_release()
  of: do not use "%pOF" printk format on node with refcount of zero
  of: unittest: add node lifecycle tests
  of: update kconfig unittest help
  of: add processing of EXPECT_NOT to of_unittest_expect
  of: prepare to add processing of EXPECT_NOT to of_unittest_expect
  of: Use preferred of_property_read_* functions
  of: Use of_property_present() helper
  of: Add of_property_present() helper
  of: reserved_mem: Use proper binary prefix
  dt-bindings: Fix multi pattern support in DT_SCHEMA_FILES
  of: reserved-mem: print out reserved-mem details during boot
  dt-bindings: serial: restrict possible child node names
  ...
2023-02-24 13:31:53 -08:00
Linus Torvalds
a93e884edf Driver core changes for 6.3-rc1
Here is the large set of driver core changes for 6.3-rc1.
 
 There's a lot of changes this development cycle, most of the work falls
 into two different categories:
   - fw_devlink fixes and updates.  This has gone through numerous review
     cycles and lots of review and testing by lots of different devices.
     Hopefully all should be good now, and Saravana will be keeping a
     watch for any potential regression on odd embedded systems.
   - driver core changes to work to make struct bus_type able to be moved
     into read-only memory (i.e. const)  The recent work with Rust has
     pointed out a number of areas in the driver core where we are
     passing around and working with structures that really do not have
     to be dynamic at all, and they should be able to be read-only making
     things safer overall.  This is the contuation of that work (started
     last release with kobject changes) in moving struct bus_type to be
     constant.  We didn't quite make it for this release, but the
     remaining patches will be finished up for the release after this
     one, but the groundwork has been laid for this effort.
 
 Other than that we have in here:
   - debugfs memory leak fixes in some subsystems
   - error path cleanups and fixes for some never-able-to-be-hit
     codepaths.
   - cacheinfo rework and fixes
   - Other tiny fixes, full details are in the shortlog
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 -----BEGIN PGP SIGNATURE-----
 
 iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCY/ipdg8cZ3JlZ0Brcm9h
 aC5jb20ACgkQMUfUDdst+ynL3gCgwzbcWu0So3piZyLiJKxsVo9C2EsAn3sZ9gN6
 6oeFOjD3JDju3cQsfGgd
 =Su6W
 -----END PGP SIGNATURE-----

Merge tag 'driver-core-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Here is the large set of driver core changes for 6.3-rc1.

  There's a lot of changes this development cycle, most of the work
  falls into two different categories:

   - fw_devlink fixes and updates. This has gone through numerous review
     cycles and lots of review and testing by lots of different devices.
     Hopefully all should be good now, and Saravana will be keeping a
     watch for any potential regression on odd embedded systems.

   - driver core changes to work to make struct bus_type able to be
     moved into read-only memory (i.e. const) The recent work with Rust
     has pointed out a number of areas in the driver core where we are
     passing around and working with structures that really do not have
     to be dynamic at all, and they should be able to be read-only
     making things safer overall. This is the contuation of that work
     (started last release with kobject changes) in moving struct
     bus_type to be constant. We didn't quite make it for this release,
     but the remaining patches will be finished up for the release after
     this one, but the groundwork has been laid for this effort.

  Other than that we have in here:

   - debugfs memory leak fixes in some subsystems

   - error path cleanups and fixes for some never-able-to-be-hit
     codepaths.

   - cacheinfo rework and fixes

   - Other tiny fixes, full details are in the shortlog

  All of these have been in linux-next for a while with no reported
  problems"

[ Geert Uytterhoeven points out that that last sentence isn't true, and
  that there's a pending report that has a fix that is queued up - Linus ]

* tag 'driver-core-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (124 commits)
  debugfs: drop inline constant formatting for ERR_PTR(-ERROR)
  OPP: fix error checking in opp_migrate_dentry()
  debugfs: update comment of debugfs_rename()
  i3c: fix device.h kernel-doc warnings
  dma-mapping: no need to pass a bus_type into get_arch_dma_ops()
  driver core: class: move EXPORT_SYMBOL_GPL() lines to the correct place
  Revert "driver core: add error handling for devtmpfs_create_node()"
  Revert "devtmpfs: add debug info to handle()"
  Revert "devtmpfs: remove return value of devtmpfs_delete_node()"
  driver core: cpu: don't hand-override the uevent bus_type callback.
  devtmpfs: remove return value of devtmpfs_delete_node()
  devtmpfs: add debug info to handle()
  driver core: add error handling for devtmpfs_create_node()
  driver core: bus: update my copyright notice
  driver core: bus: add bus_get_dev_root() function
  driver core: bus: constify bus_unregister()
  driver core: bus: constify some internal functions
  driver core: bus: constify bus_get_kset()
  driver core: bus: constify bus_register/unregister_notifier()
  driver core: remove private pointer from struct bus_type
  ...
2023-02-24 12:58:55 -08:00
Linus Torvalds
693fed981e Char/Misc and other driver subsystem changes for 6.3-rc1
Here is the large set of driver changes for char/misc drivers and other
 smaller driver subsystems that flow through this git tree.
 
 Included in here are:
   - New IIO drivers and features and improvments in that subsystem
   - New hwtracing drivers and additions to that subsystem
   - lots of interconnect changes and new drivers as that subsystem seems
     under very active development recently.  This required also merging
     in the icc subsystem changes through this tree.
   - FPGA driver updates
   - counter subsystem and driver updates
   - MHI driver updates
   - nvmem driver updates
   - documentation updates
   - Other smaller driver updates and fixes, full details in the shortlog
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 -----BEGIN PGP SIGNATURE-----
 
 iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCY/inQw8cZ3JlZ0Brcm9h
 aC5jb20ACgkQMUfUDdst+yksvwCeOvU//SPwrbIpaeHAmHUv0PSVOrwAoKmt4ICh
 hQUudlztfkvUJxKIH0gh
 =Sjk4
 -----END PGP SIGNATURE-----

Merge tag 'char-misc-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc and other driver subsystem updates from Greg KH:
 "Here is the large set of driver changes for char/misc drivers and
  other smaller driver subsystems that flow through this git tree.

  Included in here are:

   - New IIO drivers and features and improvments in that subsystem

   - New hwtracing drivers and additions to that subsystem

   - lots of interconnect changes and new drivers as that subsystem
     seems under very active development recently. This required also
     merging in the icc subsystem changes through this tree.

   - FPGA driver updates

   - counter subsystem and driver updates

   - MHI driver updates

   - nvmem driver updates

   - documentation updates

   - Other smaller driver updates and fixes, full details in the
     shortlog

  All of these have been in linux-next for a while with no reported
  problems"

* tag 'char-misc-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (223 commits)
  scripts/tags.sh: fix incompatibility with PCRE2
  firmware: coreboot: Remove GOOGLE_COREBOOT_TABLE_ACPI/OF Kconfig entries
  mei: lower the log level for non-fatal failed messages
  mei: bus: disallow driver match while dismantling device
  misc: vmw_balloon: fix memory leak with using debugfs_lookup()
  nvmem: stm32: fix OPTEE dependency
  dt-bindings: nvmem: qfprom: add IPQ8074 compatible
  nvmem: qcom-spmi-sdam: register at device init time
  nvmem: rave-sp-eeprm: fix kernel-doc bad line warning
  nvmem: stm32: detect bsec pta presence for STM32MP15x
  nvmem: stm32: add OP-TEE support for STM32MP13x
  nvmem: core: use nvmem_add_one_cell() in nvmem_add_cells_from_of()
  nvmem: core: add nvmem_add_one_cell()
  nvmem: core: drop the removal of the cells in nvmem_add_cells()
  nvmem: core: move struct nvmem_cell_info to nvmem-provider.h
  nvmem: core: add an index parameter to the cell
  of: property: add #nvmem-cell-cells property
  of: property: make #.*-cells optional for simple props
  of: base: add of_parse_phandle_with_optional_args()
  net: add helper eth_addr_add()
  ...
2023-02-24 12:47:33 -08:00
Linus Torvalds
72bffe7e1e USB / Thunderbolt driver changes for 6.3-rc1
Here is the big set of USB and Thunderbolt driver changes for 6.3-rc1.
 
 Nothing major in here, just lots of good development, including:
   - Thunderbolt additions for new device support and features
   - xhci driver updates and cleanups
   - USB gadget media driver updates (includes media core changes that
     were acked by the v4l2 maintainers)
   - lots of other USB gadget driver updates for new features
   - dwc3 driver updates and fixes
   - minor debugfs leak fixes
   - typec driver updates and additions
   - dt-bindings conversions to yaml
   - other small bugfixes and driver updates
 
 All have been in linux-next for a while with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 -----BEGIN PGP SIGNATURE-----
 
 iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCY/ivpQ8cZ3JlZ0Brcm9h
 aC5jb20ACgkQMUfUDdst+ymkdQCeOS6N613eggYrXwnbjJhxMQDtKAcAmweK6kXh
 3o1IKOYqIMOx5E7zxn6W
 =7ajf
 -----END PGP SIGNATURE-----

Merge tag 'usb-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt driver updates from Greg KH:
 "Here is the big set of USB and Thunderbolt driver changes for 6.3-rc1.

  Nothing major in here, just lots of good development, including:

   - Thunderbolt additions for new device support and features

   - xhci driver updates and cleanups

   - USB gadget media driver updates (includes media core changes that
     were acked by the v4l2 maintainers)

   - lots of other USB gadget driver updates for new features

   - dwc3 driver updates and fixes

   - minor debugfs leak fixes

   - typec driver updates and additions

   - dt-bindings conversions to yaml

   - other small bugfixes and driver updates

  All have been in linux-next for a while with no reported issues"

* tag 'usb-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (237 commits)
  usb: dwc3: xilinx: Remove unused of_gpio,h
  usb: typec: pd: Add higher capability sysfs for sink PDO
  usb: typec: pd: Remove usb_suspend_supported sysfs from sink PDO
  usb: dwc3: pci: add support for the Intel Meteor Lake-M
  usb: gadget: u_ether: Don't warn in gether_setup_name_default()
  usb: gadget: u_ether: Convert prints to device prints
  usb: gadget: u_serial: Add null pointer check in gserial_resume
  usb: gadget: uvc: fix missing mutex_unlock() if kstrtou8() fails
  xhci: host: potential NULL dereference in xhci_generic_plat_probe()
  dt-bindings: usb: amlogic,meson-g12a-usb-ctrl: make G12A usb3-phy0 optional
  usb: host: fsl-mph-dr-of: reuse device_set_of_node_from_dev
  of: device: Do not ignore error code in of_device_uevent_modalias
  of: device: Ignore modalias of reused nodes
  usb: gadget: configfs: Fix set but not used variable warning
  usb: gadget: uvc: Use custom strings if available
  usb: gadget: uvc: Allow linking function to string descs
  usb: gadget: uvc: Pick up custom string descriptor IDs
  usb: gadget: uvc: Allow linking XUs to string descriptors
  usb: gadget: configfs: Attach arbitrary strings to cdev
  usb: gadget: configfs: Support arbitrary string descriptors
  ...
2023-02-24 12:07:00 -08:00
Colin Ian King
b4858dc616 of: dynamic: Fix spelling mistake "kojbect" -> "kobject"
There is a spelling mistake in a pr_err message. Fix it.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reviewed-by: Frank Rowand <frowand.list@gmail.com>
Link: https://lore.kernel.org/r/20230220144422.873356-1-colin.i.king@gmail.com
Signed-off-by: Rob Herring <robh@kernel.org>
2023-02-21 10:22:04 -06:00
Frank Rowand
d9194e009e of: dynamic: add lifecycle docbook info to node creation functions
The existing docbook comments for the functions related to creating
a devicetree node do not explain the reference count of a newly
created node, how decrementing the reference count to zero will
free the associated memory, and the caller's responsibility to
call of_node_put() on the node.  Explain what happens when the
reference count is decremented to zero.

Signed-off-by: Frank Rowand <frowand.list@gmail.com>
Link: https://lore.kernel.org/r/20230213185702.395776-8-frowand.list@gmail.com
Signed-off-by: Rob Herring <robh@kernel.org>
2023-02-20 15:37:19 -06:00
Frank Rowand
ec0b7e24d5 of: add consistency check to of_node_release()
Add an additional consistency check to of_node_release(), which is
called when the reference count of a devicetree node is decremented
to zero.  The node's children should have been deleted before the
node is deleted so check that no children exist.

Signed-off-by: Frank Rowand <frowand.list@gmail.com>
Link: https://lore.kernel.org/r/20230213185702.395776-7-frowand.list@gmail.com
Signed-off-by: Rob Herring <robh@kernel.org>
2023-02-20 15:37:19 -06:00
Frank Rowand
23522dd703 of: do not use "%pOF" printk format on node with refcount of zero
of_node_release() can not use the "%pOF" printk format to report
the node name of a node when the node reference count is zero.
This is because the formatter device_node_string() calls
fwnode_full_name_string() which indirectly calls of_node_get().
Calling of_node_get() on the node with a zero reference count
results in a WARNING and stack trace.

When the reference count has been decremented to zero, this function
is in the subsequent call path which frees memory related to the node.

This commit resolves the unittest EXPECT errors that were created in
the previous commmit.

Signed-off-by: Frank Rowand <frowand.list@gmail.com>
Link: https://lore.kernel.org/r/20230213185702.395776-6-frowand.list@gmail.com
Signed-off-by: Rob Herring <robh@kernel.org>
2023-02-20 15:37:19 -06:00
Frank Rowand
74df14cd30 of: unittest: add node lifecycle tests
Add tests to exercise the actions that occur when the reference count
of devicetree nodes decrement to zero and beyond.  Decrementing to
zero triggers freeing memory allocated for the node.

This commit will expose a pr_err() issue in of_node_release(), resulting
in some kernal warnings and stack traces.

When scripts/dtc/of_unittest_expect processes the console messages,
it will also report related problems for EXPECT messages due to the
pr_err() issue:
   **     missing EXPECT begin      :    5

Signed-off-by: Frank Rowand <frowand.list@gmail.com>
Link: https://lore.kernel.org/r/20230213185702.395776-5-frowand.list@gmail.com
[robh: Fix !CONFIG_OF_DYNAMIC build]
Signed-off-by: Rob Herring <robh@kernel.org>
2023-02-20 15:36:51 -06:00
Joerg Roedel
bedd29d793 Merge branches 'apple/dart', 'arm/exynos', 'arm/renesas', 'arm/smmu', 'x86/vt-d', 'x86/amd' and 'core' into next 2023-02-18 15:43:04 +01:00
Frank Rowand
f381b31a80 of: update kconfig unittest help
Add more information about the impact the of unittests have on the
live devicetree and why the tests should only be enabled for developer
kernels.

Add information about processing the test output such that the
results are more complete and comprehendable.

Signed-off-by: Frank Rowand <frowand.list@gmail.com>
Link: https://lore.kernel.org/r/20230213185702.395776-4-frowand.list@gmail.com
Signed-off-by: Rob Herring <robh@kernel.org>
2023-02-17 15:46:20 -06:00
Rob Herring
16b0c7cad9 of: Use preferred of_property_read_* functions
Replace instances of of_get_property/of_find_property() with appropriate
typed of_property_read_*() functions.

Link: https://lore.kernel.org/all/20230215215502.690716-1-robh@kernel.org/
Signed-off-by: Rob Herring <robh@kernel.org>
2023-02-17 15:46:20 -06:00
Rob Herring
2f0cb4753d of: Use of_property_present() helper
Use of_property_present() instead of of_get_property/of_find_property()
in places where we just need to test presence of a property.

Reviewed-by: Frank Rowand <frowand.list@gmail.com>
Tested-by: Frank Rowand <frowand.list@gmail.com>
Link: https://lore.kernel.org/all/20230215215547.691573-2-robh@kernel.org/
Signed-off-by: Rob Herring <robh@kernel.org>
2023-02-17 15:21:36 -06:00
Geert Uytterhoeven
6ee7afbabc of: reserved_mem: Use proper binary prefix
The printed reserved memory information uses the non-standard "K"
prefix, while all other printed values use proper binary prefixes.
Fix this by using "Ki" instead.

While at it, drop the superfluous spaces inside the parentheses, to
reduce printed line length.

Fixes: aeb9267eb6 ("of: reserved-mem: print out reserved-mem details during boot")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230216083725.1244817-1-geert+renesas@glider.be
Signed-off-by: Rob Herring <robh@kernel.org>
2023-02-17 15:21:36 -06:00
Martin Liu
aeb9267eb6 of: reserved-mem: print out reserved-mem details during boot
It's important to know reserved-mem information in mobile world
since reserved memory via device tree keeps increased in platform
(e.g., 45% in our platform). Therefore, it's crucial to know the
reserved memory sizes breakdown for the memory accounting.

This patch prints out reserved memory details during boot to make
them visible.

Below is an example output:

[    0.000000] OF: reserved mem: 0x00000009f9400000..0x00000009fb3fffff ( 32768 KB ) map reusable test1
[    0.000000] OF: reserved mem: 0x00000000ffdf0000..0x00000000ffffffff ( 2112 KB ) map non-reusable test2
[    0.000000] OF: reserved mem: 0x0000000091000000..0x00000000912fffff ( 3072 KB ) nomap non-reusable test3

Signed-off-by: Martin Liu <liumartin@google.com>
Link: https://lore.kernel.org/r/20230209160954.1471909-1-liumartin@google.com
Signed-off-by: Rob Herring <robh@kernel.org>
2023-02-15 15:07:42 -06:00
Greg Kroah-Hartman
c4a07e264d Merge 6.2-rc8 into usb-next
We need the USB fixes in here for testing.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-02-14 13:44:08 +01:00
Linus Torvalds
f6feea56f6 12 hotfixes, mostly against mm/. Five of these fixes are cc:stable.
-----BEGIN PGP SIGNATURE-----
 
 iHUEABYIAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCY+qxtQAKCRDdBJ7gKXxA
 jmvNAP4vwrZJ/eXlp/JC35r84fT6ykMQLbv+oT6rG7lx8aH2JgEA5QSYTBvcb4VF
 n6tf6OpZbCHtvTPy4/+aVj7hW0XUnAY=
 =C92n
 -----END PGP SIGNATURE-----

Merge tag 'mm-hotfixes-stable-2023-02-13-13-50' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull misc fixes from Andrew Morton:
 "Twelve hotfixes, mostly against mm/.

  Five of these fixes are cc:stable"

* tag 'mm-hotfixes-stable-2023-02-13-13-50' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  of: reserved_mem: Have kmemleak ignore dynamically allocated reserved mem
  scripts/gdb: fix 'lx-current' for x86
  lib: parser: optimize match_NUMBER apis to use local array
  mm: shrinkers: fix deadlock in shrinker debugfs
  mm: hwpoison: support recovery from ksm_might_need_to_copy()
  kasan: fix Oops due to missing calls to kasan_arch_is_ready()
  revert "squashfs: harden sanity check in squashfs_read_xattr_id_table"
  fsdax: dax_unshare_iter() should return a valid length
  mm/gup: add folio to list when folio_isolate_lru() succeed
  aio: fix mremap after fork null-deref
  mailmap: add entry for Alexander Mikhalitsyn
  mm: extend max struct page size for kmsan
2023-02-13 14:09:20 -08:00
Isaac J. Manjarres
ce4d9a1ea3 of: reserved_mem: Have kmemleak ignore dynamically allocated reserved mem
Patch series "Fix kmemleak crashes when scanning CMA regions", v2.

When trying to boot a device with an ARM64 kernel with the following
config options enabled:

CONFIG_DEBUG_PAGEALLOC=y
CONFIG_DEBUG_PAGEALLOC_ENABLE_DEFAULT=y
CONFIG_DEBUG_KMEMLEAK=y

a crash is encountered when kmemleak starts to scan the list of gray
or allocated objects that it maintains. Upon closer inspection, it was
observed that these page-faults always occurred when kmemleak attempted
to scan a CMA region.

At the moment, kmemleak is made aware of CMA regions that are specified
through the devicetree to be dynamically allocated within a range of
addresses. However, kmemleak should not need to scan CMA regions or any
reserved memory region, as those regions can be used for DMA transfers
between drivers and peripherals, and thus wouldn't contain anything
useful for kmemleak.

Additionally, since CMA regions are unmapped from the kernel's address
space when they are freed to the buddy allocator at boot when
CONFIG_DEBUG_PAGEALLOC is enabled, kmemleak shouldn't attempt to access
those memory regions, as that will trigger a crash. Thus, kmemleak
should ignore all dynamically allocated reserved memory regions.


This patch (of 1):

Currently, kmemleak ignores dynamically allocated reserved memory regions
that don't have a kernel mapping.  However, regions that do retain a
kernel mapping (e.g.  CMA regions) do get scanned by kmemleak.

This is not ideal for two reasons:

1  kmemleak works by scanning memory regions for pointers to allocated
   objects to determine if those objects have been leaked or not. 
   However, reserved memory regions can be used between drivers and
   peripherals for DMA transfers, and thus, would not contain pointers to
   allocated objects, making it unnecessary for kmemleak to scan these
   reserved memory regions.

2  When CONFIG_DEBUG_PAGEALLOC is enabled, along with kmemleak, the
   CMA reserved memory regions are unmapped from the kernel's address
   space when they are freed to buddy at boot.  These CMA reserved regions
   are still tracked by kmemleak, however, and when kmemleak attempts to
   scan them, a crash will happen, as accessing the CMA region will result
   in a page-fault, since the regions are unmapped.

Thus, use kmemleak_ignore_phys() for all dynamically allocated reserved
memory regions, instead of those that do not have a kernel mapping
associated with them.

Link: https://lkml.kernel.org/r/20230208232001.2052777-1-isaacmanjarres@google.com
Link: https://lkml.kernel.org/r/20230208232001.2052777-2-isaacmanjarres@google.com
Fixes: a7259df767 ("memblock: make memblock_find_in_range method private")
Signed-off-by: Isaac J. Manjarres <isaacmanjarres@google.com>
Acked-by: Mike Rapoport (IBM) <rppt@kernel.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: Kirill A. Shutemov <kirill.shtuemov@linux.intel.com>
Cc: Nick Kossifidis <mick@ics.forth.gr>
Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Rob Herring <robh@kernel.org>
Cc: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Cc: Saravana Kannan <saravanak@google.com>
Cc: <stable@vger.kernel.org>	[5.15+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-02-09 15:56:51 -08:00
Alexander Stein
2295bed9be of: device: Do not ignore error code in of_device_uevent_modalias
of_device_get_modalias might return an error code, propagate that one.
Otherwise the negative, signed integer is propagated to unsigned integer
for the comparison resulting in a huge 'sl' size.

Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230207110531.1060252-3-alexander.stein@ew.tq-group.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-02-09 12:13:55 +01:00
Alexander Stein
553bd29700 of: device: Ignore modalias of reused nodes
If of_node is reused, do not use that node's modalias. This will hide
the name of the actual device. This is rather prominent in USB glue
drivers creating a platform device for the host controller.

Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230207110531.1060252-2-alexander.stein@ew.tq-group.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-02-09 12:13:55 +01:00
Saravana Kannan
4a032827da of: property: Simplify of_link_to_phandle()
The driver core now:
- Has the parent device of a supplier pick up the consumers if the
  supplier never has a device created for it.
- Ignores a supplier if the supplier has no parent device and will never
  be probed by a driver

And already prevents creating a device link with the consumer as a
supplier of a parent.

So, we no longer need to find the "compatible" node of the supplier or
do any other checks in of_link_to_phandle(). We simply need to make sure
that the supplier is available in DT.

Signed-off-by: Saravana Kannan <saravanak@google.com>
Tested-by: Colin Foster <colin.foster@in-advantage.com>
Tested-by: Sudeep Holla <sudeep.holla@arm.com>
Tested-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Luca Weiss <luca.weiss@fairphone.com> # qcom/sm7225-fairphone-fp4
Link: https://lore.kernel.org/r/20230207014207.1678715-10-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-02-08 13:37:55 +01:00
Linus Torvalds
0983f6bf2b Devicetree fixes for v6.2, part 2:
- Fix handling of multiple OF framebuffer devices
 
 - Fix booting on Socionext Synquacer with bad 'dma-ranges' entries
 
 - Add DT binding .yamllint to .gitignore
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEktVUI4SxYhzZyEuo+vtdtY28YcMFAmPiyF0ACgkQ+vtdtY28
 YcNZpA//adsF6J/7vPo9SiRj/Y+EFZ2m2J1mUubMP4UEAGtfG+JnkOmvjTgO3Rar
 aYivXNh2pqKqvOEw35XR5donzeygTxr953W4xzGRrPW282tZeWBeeKfz0bikVguv
 v7WzTlmYVL1I6P5KCNB2C5f5zZEXdDc7dA3pJmt+IM5sjEuduhqwlrw57Rd0uRdM
 OZOjlrLiwA1I9AIo081EmoPHUAcsckgxJzFqdLvh8Vz1JT3n8Rtj1GXuWQvSAueX
 p8vu771QeVJSgzEuZfA4g5Nia9T30g2XhxeD5bBtgndGoKdE8j2AzMoghBODJABa
 hvKd1DV9jP14c9HV7M/kgFb8JBEmXnKpARiSIyoP/KXLVraJS3HpbOSgbuTgdrp5
 lGxLbb44NYGGbPt1Sl25XPInr2b3BMfto/pvve9G9863fcY6SUk5aDuGIx6pNBsl
 lufniFQbaFTLdidskQ7bm187L0QEE4wGMY1ZDs77elMaMdtP6THXfim2Scq1UAKt
 tKMgYUciL/nps7rHCovmS8iXvysU7qztw6+F1nlOJMrrDld7LgrOZffWAjBnbNDa
 z1RZY1O1uyIIMam8VgeBbdMNoiqNv+2MNWH9STpY74DqS3+o2+pXyJitMS6+1U7p
 Rhlzbiwei4F1E0rFZqSGcWsgx+yy7HlgsfnEOKGkWjoFmBik26k=
 =T25l
 -----END PGP SIGNATURE-----

Merge tag 'devicetree-fixes-for-6.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree fixes from Rob Herring:

 - Fix handling of multiple OF framebuffer devices

 - Fix booting on Socionext Synquacer with bad 'dma-ranges' entries

 - Add DT binding .yamllint to .gitignore

* tag 'devicetree-fixes-for-6.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  dt-bindings: interrupt-controller: arm,gic-v3: Fix typo in description of msi-controller property
  dt-bindings: Fix .gitignore
  of/address: Return an error when no valid dma-ranges are found
  of: Make OF framebuffer device names unique
2023-02-07 14:17:12 -08:00
Michael Walle
e2d8172043 of: property: add #nvmem-cell-cells property
Bindings describe the new '#nvmem-cell-cells' property. Now that the
arguments count property is optional, we just add this property to the
nvmem-cells.

Signed-off-by: Michael Walle <michael@walle.cc>
Tested-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20230206134356.839737-12-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-02-06 19:06:59 +01:00
Michael Walle
ff24fed10b of: property: make #.*-cells optional for simple props
Sometimes, future bindings for phandles will get additional arguments.
Thus the target node of the phandle will need a new #.*-cells property.
To be backwards compatible, this needs to be optional.

Prepare the DEFINE_SIMPLE_PROPS() to handle the cells name as optional.

Signed-off-by: Michael Walle <michael@walle.cc>
Tested-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20230206134356.839737-11-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-02-06 19:06:59 +01:00
Thomas Weißschuh
20f6d4f2a4 of: make of_node_ktype constant
Since commit ee6d3dd4ed ("driver core: make kobj_type constant.")
the driver core allows the usage of const struct kobj_type.

Take advantage of this to constify the structure definition to prevent
modification at runtime.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20230204-kobj_type-of-v1-1-5910c8ecb7a3@weissschuh.net
Signed-off-by: Rob Herring <robh@kernel.org>
2023-02-06 11:03:00 -06:00
Mark Brown
f6933c01e4 of/address: Return an error when no valid dma-ranges are found
Commit 7a8b64d17e ("of/address: use range parser for of_dma_get_range")
converted the parsing of dma-range properties to use code shared with the
PCI range parser. The intent was to introduce no functional changes however
in the case where we fail to translate the first resource instead of
returning -EINVAL the new code we return 0. Restore the previous behaviour
by returning an error if we find no valid ranges, the original code only
handled the first range but subsequently support for parsing all supplied
ranges was added.

This avoids confusing code using the parsed ranges which doesn't expect to
successfully parse ranges but have only a list terminator returned, this
fixes breakage with so far as I can tell all DMA for on SoC devices on the
Socionext Synquacer platform which has a firmware supplied DT. A bisect
identified the original conversion as triggering the issues there.

Fixes: 7a8b64d17e ("of/address: use range parser for of_dma_get_range")
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: Luca Di Stefano <luca.distefano@linaro.org>
Cc: 993612@bugs.debian.org
Cc: stable@kernel.org
Link: https://lore.kernel.org/r/20230126-synquacer-boot-v2-1-cb80fd23c4e2@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
2023-02-02 17:10:58 -06:00
Michal Suchanek
241d2fb56a of: Make OF framebuffer device names unique
Since Linux 5.19 this error is observed:

sysfs: cannot create duplicate filename '/devices/platform/of-display'

This is because multiple devices with the same name 'of-display' are
created on the same bus. Update the code to create numbered device names
for the displays.

Also, fix a node refcounting issue when exiting the boot display loop.

cc: linuxppc-dev@lists.ozlabs.org
References: https://bugzilla.kernel.org/show_bug.cgi?id=216095
Fixes: 52b1b46c39 ("of: Create platform devices for OF framebuffers")
Reported-by: Erhard F. <erhard_f@mailbox.org>
Suggested-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Michal Suchanek <msuchanek@suse.de>
Link: https://lore.kernel.org/r/20230201162247.3575506-1-robh@kernel.org
[robh: Rework to avoid node refcount leaks]
Signed-off-by: Rob Herring <robh@kernel.org>
2023-02-02 17:10:33 -06:00
Isaac J. Manjarres
8ef852f1cb Revert "mm: kmemleak: alloc gray object for reserved region with direct map"
This reverts commit 972fa3a7c1.

Kmemleak operates by periodically scanning memory regions for pointers to
allocated memory blocks to determine if they are leaked or not.  However,
reserved memory regions can be used for DMA transactions between a device
and a CPU, and thus, wouldn't contain pointers to allocated memory blocks,
making them inappropriate for kmemleak to scan.  Thus, revert this commit.

Link: https://lkml.kernel.org/r/20230124230254.295589-1-isaacmanjarres@google.com
Fixes: 972fa3a7c1 ("mm: kmemleak: alloc gray object for reserved region with direct map")
Signed-off-by: Isaac J. Manjarres <isaacmanjarres@google.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Calvin Zhang <calvinzhang.cool@gmail.com>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Saravana Kannan <saravanak@google.com>
Cc: <stable@vger.kernel.org>	[5.17+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-01-31 16:44:09 -08:00
Greg Kroah-Hartman
a77ad4bf79 of: device: make of_device_uevent_modalias() take a const device *
of_device_uevent_modalias() does not modify the device pointer passed to
it, so mark it constant.  In order to properly do this, a number of
busses need to have a modalias function added as they were attempting to
just point to of_device_uevent_modalias instead of their bus-specific
modalias function.  This is fine except if the prototype for a bus and
device type modalias function diverges and then problems could happen.  To
prevent all of that, just wrap the call to of_device_uevent_modalias()
directly for each bus and device type individually.

Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Chen-Yu Tsai <wens@csie.org>
Cc: Jernej Skrabec <jernej.skrabec@gmail.com>
Cc: Samuel Holland <samuel@sholland.org>
Cc: David Airlie <airlied@gmail.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: Liang He <windhl@126.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: Douglas Anderson <dianders@chromium.org>
Cc: Lyude Paul <lyude@redhat.com>
Cc: Corentin Labbe <clabbe@baylibre.com>
Cc: Zou Wei <zou_wei@huawei.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-sunxi@lists.linux.dev
Cc: dri-devel@lists.freedesktop.org
Cc: devicetree@vger.kernel.org
Acked-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230111113018.459199-2-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-27 13:45:28 +01:00
Thierry Reding
e251c21372 of: Introduce of_translate_dma_region()
This function is similar to of_translate_dma_address() but also reads a
length in addition to an address from a device tree property.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20230120174251.4004100-2-thierry.reding@gmail.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2023-01-25 11:48:27 +01:00
Clément Léger
eb2b4ecf72 of/irq: add missing of_node_put() for interrupt parent node
After calling of_irq_parse_one(), the node provided in the of_phandle_args
has a refcount increment by one. Add missing of_node_put in of_irq_get()
to decrement the refcount once used.

Signed-off-by: Clément Léger <clement.leger@bootlin.com>
Link: https://lore.kernel.org/r/20230117144929.423089-1-clement.leger@bootlin.com
Signed-off-by: Rob Herring <robh@kernel.org>
2023-01-18 11:31:42 -06:00
Xu Panda
a98bf9df1c of: base: use strscpy() to instead of strncpy()
The implementation of strscpy() is more robust and safer.
That's now the recommended way to copy NUL terminated strings.

Signed-off-by: Xu Panda <xu.panda@zte.com.cn>
Signed-off-by: Yang Yang <yang.yang29@zte.com>
Link: https://lore.kernel.org/r/202212231039128402297@zte.com.cn
Signed-off-by: Rob Herring <robh@kernel.org>
2023-01-05 21:23:14 -06:00
Rob Herring
064e32dc5b of: fdt: Honor CONFIG_CMDLINE* even without /chosen node, take 2
I do not read a strict requirement on /chosen node in either ePAPR or in
Documentation/devicetree. Help text for CONFIG_CMDLINE and
CONFIG_CMDLINE_EXTEND doesn't make their behavior explicitly dependent on
the presence of /chosen or the presense of /chosen/bootargs.

However the early check for /chosen and bailing out in
early_init_dt_scan_chosen() skips CONFIG_CMDLINE handling which is not
really related to /chosen node or the particular method of passing cmdline
from bootloader.

This leads to counterintuitive combinations (assuming
CONFIG_CMDLINE_EXTEND=y):

a) bootargs="foo", CONFIG_CMDLINE="bar" => cmdline=="foo bar"
b) /chosen missing, CONFIG_CMDLINE="bar" => cmdline==""
c) bootargs="", CONFIG_CMDLINE="bar" => cmdline==" bar"

Rework early_init_dt_scan_chosen() so that the cmdline config options are
always handled.

[commit msg written by Alexander Sverdlin]

Cc: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Tested-by: Geoff Levand <geoff@infradead.org>
Reviewed-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Link: https://lore.kernel.org/r/20230103-dt-cmdline-fix-v1-2-7038e88b18b6@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
2023-01-04 21:31:59 -06:00
Rob Herring
bd0ddcfc83 Revert "of: fdt: Honor CONFIG_CMDLINE* even without /chosen node"
This reverts commit a7d550f82b.

Some arches (PPC at least) don't call early_init_dt_scan_nodes(), so
moving the cmdline processing there breaks them.

Reported-by: Geoff Levand <geoff@infradead.org>
Cc: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Tested-by: Geoff Levand <geoff@infradead.org>
Reviewed-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Link: https://lore.kernel.org/r/20230103-dt-cmdline-fix-v1-1-7038e88b18b6@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
2023-01-04 21:31:59 -06:00
Andreas Rammhold
2a12187d58 of/fdt: run soc memory setup when early_init_dt_scan_memory fails
If memory has been found early_init_dt_scan_memory now returns 1. If
it hasn't found any memory it will return 0, allowing other memory
setup mechanisms to carry on.

Previously early_init_dt_scan_memory always returned 0 without
distinguishing between any kind of memory setup being done or not. Any
code path after the early_init_dt_scan memory call in the ramips
plat_mem_setup code wouldn't be executed anymore. Making
early_init_dt_scan_memory the only way to initialize the memory.

Some boards, including my mt7621 based Cudy X6 board, depend on memory
initialization being done via the soc_info.mem_detect function
pointer. Those wouldn't be able to obtain memory and panic the kernel
during early bootup with the message "early_init_dt_alloc_memory_arch:
Failed to allocate 12416 bytes align=0x40".

Fixes: 1f012283e9 ("of/fdt: Rework early_init_dt_scan_memory() to call directly")
Cc: stable@vger.kernel.org
Signed-off-by: Andreas Rammhold <andreas@rammhold.de>
Link: https://lore.kernel.org/r/20221223112748.2935235-1-andreas@rammhold.de
Signed-off-by: Rob Herring <robh@kernel.org>
2023-01-03 18:41:01 -06:00
Ricardo Ribalda
8e5d0c68f2 of: overlay: Fix trivial typo
Permitted is spelled with two t.

Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Link: https://lore.kernel.org/r/20221220-permited-v1-3-52ea9857fa61@chromium.org
Signed-off-by: Rob Herring <robh@kernel.org>
2022-12-26 16:09:29 -06:00
Linus Torvalds
3e0caea754 Devicetree updates for v6.2, part 2:
- Treewide dropping of redundant 'binding' or 'schema' from schema
   titles. This will be followed up with a automated check to catch
   these.
 
 - Re-sort vendor-prefies
 
 - Convert GPIO based watchdog to schema
 
 - Handle all the variations for clocks, resets, power domains in i.MX
   PCIe binding
 
 - Document missing 'power-domains' property in mxsfb
 
 - Fix error with path references in Tegra XUSB example
 
 - Honor CONFIG_CMDLINE* even without /chosen node
 -----BEGIN PGP SIGNATURE-----
 
 iQIyBAABCgAdFiEEktVUI4SxYhzZyEuo+vtdtY28YcMFAmOg5DEACgkQ+vtdtY28
 YcMM6Q/3c8FpkvnSltcBT/a9nszD52aE1/STUDdb4t69PX4JVn0PO6oSMyMa7RPw
 wlPqGi7J2VRqarALiqokMtEHa0Thn84Rf6BQCO2ktHDBux1wG2xWPOD8G+GjDGbJ
 YwxBzPN7rbmgm2EqrxMI+nABX/3Wj78B3ocFFjulCEZz9ZY9jPhJF8FVfUNa0529
 kUhLPmOPPl4plg4LCOTmZesVXpSeU3FuSypCepEf906rJxLO3Cb2KP5AU5uCEcuT
 giTnsghL5t2iyCefNU0duR15J3XffrlcwKUMaoEsbS/u+autpZRx69KGpnZfp48F
 zZeij8cgcUJ14we+A8aRPN9H5NSQK+iOFBcBMPrKhboeOtFXN3Ftarum5Pq/J41a
 qmeCgREiMMzy8GOMsKJ+25uwoL61iGBQlxHHqylAQzJ3KfRRgSIAgWlS01btYXih
 jPp9JYvRubHsdjUQPNNBb9Us7VAO3KgJEGjBZV5DpXeVLg8g2w27gG4QgbqSf66a
 JeZz07yeiGgpGknW1NAp7EO1C030LaOnBVuRhN71QNjTTd4/+J46fdjXm0JdZj/A
 ZVQCbTM3LKCYGbt3Nio3QstzcM1bK19IH4J0zN8CJe/nxdAyopbe0aK5MgC7vxmO
 rB/g/e2MOf32aXLZSCzjKMKefEmA3g0/KmZdoopTT4uSz9TCjA==
 =ZGp/
 -----END PGP SIGNATURE-----

Merge tag 'devicetree-for-6.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull more devicetree updates from Rob Herring:
 "This is mostly a treewide clean-up from Krzysztof. There's also a
  couple of fixes and things that fell thru the cracks.

  I must say this has been a nice merge window without bindings dumped
  in at the last minute introducing warnings.

  Summary:

   - Treewide dropping of redundant 'binding' or 'schema' from schema
     titles. This will be followed up with a automated check to catch
     these.

   - Re-sort vendor-prefies

   - Convert GPIO based watchdog to schema

   - Handle all the variations for clocks, resets, power domains in i.MX
     PCIe binding

   - Document missing 'power-domains' property in mxsfb

   - Fix error with path references in Tegra XUSB example

   - Honor CONFIG_CMDLINE* even without /chosen node"

* tag 'devicetree-for-6.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  dt-bindings: drop redundant part of title (manual)
  dt-bindings: clock: drop redundant part of title
  dt-bindings: drop redundant part of title (beginning)
  dt-bindings: drop redundant part of title (end, part three)
  dt-bindings: drop redundant part of title (end, part two)
  dt-bindings: drop redundant part of title (end)
  dt-bindings: clock: st,stm32mp1-rcc: add proper title
  dt-bindings: memory-controllers: ti,gpmc-child: drop redundant part of title
  dt-bindings: drop redundant part of title of shared bindings
  dt-bindings: watchdog: gpio: Convert bindings to YAML
  dt-bindings: imx6q-pcie: Handle more resets on legacy platforms
  dt-bindings: imx6q-pcie: Handle various PD configurations
  dt-bindings: imx6q-pcie: Handle various clock configurations
  dt-bindings: hwmon: ntc-thermistor: drop Naveen Krishna Chatradhi from maintainers
  dt-bindings: mxsfb: Document i.MX8M/i.MX6SX/i.MX6SL power-domains property
  dt-bindings: vendor-prefixes: sort entries alphabetically
  dt-bindings: usb: tegra-xusb: Remove path references
  of: fdt: Honor CONFIG_CMDLINE* even without /chosen node
2022-12-20 08:48:24 -06:00
Linus Torvalds
9322af3e6a dmaengine updates for v6.2
New support:
  - Qualcomm SDM670, SM6115 and SM6375 GPI controller support
  - Ingenic JZ4755 dmaengine support
  - Removal of iop-adma driver
 
  Updates:
  - Tegra support for dma-channel-mask
  - at_hdmac cleanup and virt-chan support for this driver
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCAAdFiEE+vs47OPLdNbVcHzyfBQHDyUjg0cFAmOfJXIACgkQfBQHDyUj
 g0eC1RAAr8WdSJo1Vv9EmzgmxIwx5l8nuGWJ+mRBVRvsiK0bVk5a2pDN8XGnyLim
 sQVd/RpH42MSYBk35GHsFaLPNvsn9h7cX3oDPwNzbQmijZsnX7ht7yHiYwamxNhC
 p/hzmRtBZvGwdUrInHwKG/tiLleCBDDALyDMnRkLsJ5qPxZpeVEe5WrfTQUachLZ
 yIHoOg3l+WrXkfqQwPZ5kO3pNTA0igdh3LZwZqKYXveuXVXYYG4zOLtgcJWnArG1
 oLpUaJp75QPgHcknAZLDf47pwdDevV/mpv+2deoz3EbnhQc1b0bMZHRHRVc8B06w
 Xgx8U51L5iZsfiaueNDQTq+amCu3OehMiG0eouiXd2CmWC/jAB7NYehyJj7003t7
 2BFIWSOEIKaLaoGVb7NJssc7yrkWH3QBvdAwQorFT1FnclAQnnaC5zVRng10BvA0
 Ul/W9pmHXHrk5CvGGCUzlVRHF04KoRCEifQjMzAM9rgJJSJPM1ZybAtQzDhb1HGM
 5lqHmi+BpKududS9MEHiMtfpch0hYdLkBfYemd0v8qFDKNsmNwtpbbg+aS1vwsZP
 lnRqCo50YVMsvCsEsjtfR0LyF0vx0ppuO8t7MKu+SIaa4YeJ9KK5JKMpnD33dJWe
 jSo+OPgsE2W+14ysdqVXnZpr6Aik34PZlSd13UcrRm9S9u2yyY8=
 =pURR
 -----END PGP SIGNATURE-----

Merge tag 'dmaengine-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine

Pull dmaengine updates from Vinod Koul:
 "New support:

    - Qualcomm SDM670, SM6115 and SM6375 GPI controller support

    - Ingenic JZ4755 dmaengine support

    - Removal of iop-adma driver

  Updates:

   - Tegra support for dma-channel-mask

   - at_hdmac cleanup and virt-chan support for this driver"

* tag 'dmaengine-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (46 commits)
  dmaengine: Revert "dmaengine: remove s3c24xx driver"
  dmaengine: tegra: Add support for dma-channel-mask
  dt-bindings: dmaengine: Add dma-channel-mask to Tegra GPCDMA
  dmaengine: idxd: Remove linux/msi.h include
  dt-bindings: dmaengine: qcom: gpi: add compatible for SM6375
  dmaengine: idxd: Fix crc_val field for completion record
  dmaengine: at_hdmac: Convert driver to use virt-dma
  dmaengine: at_hdmac: Remove unused member of at_dma_chan
  dmaengine: at_hdmac: Rename "chan_common" to "dma_chan"
  dmaengine: at_hdmac: Rename "dma_common" to "dma_device"
  dmaengine: at_hdmac: Use bitfield access macros
  dmaengine: at_hdmac: Keep register definitions and structures private to at_hdmac.c
  dmaengine: at_hdmac: Set include entries in alphabetic order
  dmaengine: at_hdmac: Use pm_ptr()
  dmaengine: at_hdmac: Use devm_clk_get()
  dmaengine: at_hdmac: Use devm_platform_ioremap_resource
  dmaengine: at_hdmac: Use devm_kzalloc() and struct_size()
  dmaengine: at_hdmac: Introduce atc_get_llis_residue()
  dmaengine: at_hdmac: s/atc_get_bytes_left/atc_get_residue
  dmaengine: at_hdmac: Pass residue by address to avoid unnecessary implicit casts
  ...
2022-12-19 08:54:17 -06:00
Alexander Sverdlin
a7d550f82b of: fdt: Honor CONFIG_CMDLINE* even without /chosen node
I do not read a strict requirement on /chosen node in either ePAPR or in
Documentation/devicetree. Help text for CONFIG_CMDLINE and
CONFIG_CMDLINE_EXTEND doesn't make their behavior explicitly dependent on
the presence of /chosen or the presense of /chosen/bootargs.

However the early check for /chosen and bailing out in
early_init_dt_scan_chosen() skips CONFIG_CMDLINE handling which is not
really related to /chosen node or the particular method of passing cmdline
from bootloader.

This leads to counterintuitive combinations (assuming
CONFIG_CMDLINE_EXTEND=y):

a) bootargs="foo", CONFIG_CMDLINE="bar" => cmdline=="foo bar"
b) /chosen missing, CONFIG_CMDLINE="bar" => cmdline==""
c) bootargs="", CONFIG_CMDLINE="bar" => cmdline==" bar"

Move CONFIG_CMDLINE handling outside of early_init_dt_scan_chosen() so that
cases b and c above result in the same cmdline.

Signed-off-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/11af73e05bad75e4ef49067515e3214f6d944b3d.camel@gmail.com
Signed-off-by: Rob Herring <robh@kernel.org>
2022-12-16 11:22:58 -06:00
Linus Torvalds
71a7507afb Driver Core changes for 6.2-rc1
Here is the set of driver core and kernfs changes for 6.2-rc1.
 
 The "big" change in here is the addition of a new macro,
 container_of_const() that will preserve the "const-ness" of a pointer
 passed into it.
 
 The "problem" of the current container_of() macro is that if you pass in
 a "const *", out of it can comes a non-const pointer unless you
 specifically ask for it.  For many usages, we want to preserve the
 "const" attribute by using the same call.  For a specific example, this
 series changes the kobj_to_dev() macro to use it, allowing it to be used
 no matter what the const value is.  This prevents every subsystem from
 having to declare 2 different individual macros (i.e.
 kobj_const_to_dev() and kobj_to_dev()) and having the compiler enforce
 the const value at build time, which having 2 macros would not do
 either.
 
 The driver for all of this have been discussions with the Rust kernel
 developers as to how to properly mark driver core, and kobject, objects
 as being "non-mutable".  The changes to the kobject and driver core in
 this pull request are the result of that, as there are lots of paths
 where kobjects and device pointers are not modified at all, so marking
 them as "const" allows the compiler to enforce this.
 
 So, a nice side affect of the Rust development effort has been already
 to clean up the driver core code to be more obvious about object rules.
 
 All of this has been bike-shedded in quite a lot of detail on lkml with
 different names and implementations resulting in the tiny version we
 have in here, much better than my original proposal.  Lots of subsystem
 maintainers have acked the changes as well.
 
 Other than this change, included in here are smaller stuff like:
   - kernfs fixes and updates to handle lock contention better
   - vmlinux.lds.h fixes and updates
   - sysfs and debugfs documentation updates
   - device property updates
 
 All of these have been in the linux-next tree for quite a while with no
 problems, OTHER than some merge issues with other trees that should be
 obvious when you hit them (block tree deletes a driver that this tree
 modifies, iommufd tree modifies code that this tree also touches).  If
 there are merge problems with these trees, please let me know.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 -----BEGIN PGP SIGNATURE-----
 
 iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCY5wz3A8cZ3JlZ0Brcm9h
 aC5jb20ACgkQMUfUDdst+yks0ACeKYUlVgCsER8eYW+x18szFa2QTXgAn2h/VhZe
 1Fp53boFaQkGBjl8mGF8
 =v+FB
 -----END PGP SIGNATURE-----

Merge tag 'driver-core-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Here is the set of driver core and kernfs changes for 6.2-rc1.

  The "big" change in here is the addition of a new macro,
  container_of_const() that will preserve the "const-ness" of a pointer
  passed into it.

  The "problem" of the current container_of() macro is that if you pass
  in a "const *", out of it can comes a non-const pointer unless you
  specifically ask for it. For many usages, we want to preserve the
  "const" attribute by using the same call. For a specific example, this
  series changes the kobj_to_dev() macro to use it, allowing it to be
  used no matter what the const value is. This prevents every subsystem
  from having to declare 2 different individual macros (i.e.
  kobj_const_to_dev() and kobj_to_dev()) and having the compiler enforce
  the const value at build time, which having 2 macros would not do
  either.

  The driver for all of this have been discussions with the Rust kernel
  developers as to how to properly mark driver core, and kobject,
  objects as being "non-mutable". The changes to the kobject and driver
  core in this pull request are the result of that, as there are lots of
  paths where kobjects and device pointers are not modified at all, so
  marking them as "const" allows the compiler to enforce this.

  So, a nice side affect of the Rust development effort has been already
  to clean up the driver core code to be more obvious about object
  rules.

  All of this has been bike-shedded in quite a lot of detail on lkml
  with different names and implementations resulting in the tiny version
  we have in here, much better than my original proposal. Lots of
  subsystem maintainers have acked the changes as well.

  Other than this change, included in here are smaller stuff like:

   - kernfs fixes and updates to handle lock contention better

   - vmlinux.lds.h fixes and updates

   - sysfs and debugfs documentation updates

   - device property updates

  All of these have been in the linux-next tree for quite a while with
  no problems"

* tag 'driver-core-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (58 commits)
  device property: Fix documentation for fwnode_get_next_parent()
  firmware_loader: fix up to_fw_sysfs() to preserve const
  usb.h: take advantage of container_of_const()
  device.h: move kobj_to_dev() to use container_of_const()
  container_of: add container_of_const() that preserves const-ness of the pointer
  driver core: fix up missed drivers/s390/char/hmcdrv_dev.c class.devnode() conversion.
  driver core: fix up missed scsi/cxlflash class.devnode() conversion.
  driver core: fix up some missing class.devnode() conversions.
  driver core: make struct class.devnode() take a const *
  driver core: make struct class.dev_uevent() take a const *
  cacheinfo: Remove of_node_put() for fw_token
  device property: Add a blank line in Kconfig of tests
  device property: Rename goto label to be more precise
  device property: Move PROPERTY_ENTRY_BOOL() a bit down
  device property: Get rid of __PROPERTY_ENTRY_ARRAY_EL*SIZE*()
  kernfs: fix all kernel-doc warnings and multiple typos
  driver core: pass a const * into of_device_uevent()
  kobject: kset_uevent_ops: make name() callback take a const *
  kobject: kset_uevent_ops: make filter() callback take a const *
  kobject: make kobject_namespace take a const *
  ...
2022-12-16 03:54:54 -08:00
Linus Torvalds
531d2644f3 Devicetree updates for v6.2:
DT Bindings:
 - Various LED binding conversions and clean-ups. Convert the ir-spi-led,
   pwm-ir-tx, and gpio-ir-tx LED bindings to schemas. Consistently
   reference LED common.yaml or multi-led schemas and disallow undefined
   properties.
 
 - Convert IDT 89HPESx, pwm-clock, st,stmipid02, Xilinx PCIe hosts,
   and fsl,imx-fb bindings to schema
 
 - Add ata-generic, Broadcom u-boot environment, and dynamic MTD
   sub-partitions bindings.
 
 - Make all SPI based displays reference spi-peripheral-props.yaml
 
 - Fix some schema property regex's which should be fixed strings or were
   missing start/end anchors
 
 - Remove 'status' in examples, again...
 
 DT Core:
 - Fix a possible NULL dereference in overlay functions
 
 - Fix kexec reading 32-bit "linux,initrd-{start,end}" values (which
   never worked)
 
 - Add of_address_count() helper to count number of 'reg' entries
 
 - Support .dtso extension for DT overlay source files. Rename staging
   and unittest overlay files.
 
 - Update dtc to upstream v1.6.1-63-g55778a03df61
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEktVUI4SxYhzZyEuo+vtdtY28YcMFAmOWhJAACgkQ+vtdtY28
 YcMrAhAAjXJMmhzh97MPN/hUnVy26xVj0IF+pX7AIlHieOZWtc1xFNSqXVblC/n3
 459Id1jKq1Vt8BTX0J4VWIOY/v3qpuGtvT4KpronOr0GV/fGhHkBJa/PTBN2/xvS
 yG27PLL/F5l3adZ8vhmJdcoxDknqL0oSpWpgwRNHveIB+FzjP7z0LveV+vfS0bEO
 nQbM07TMeXzRN+Ld76aEEorsv4uaOrpzBwX76X+F2uAmzsA+3ksLzhULS4551Qxs
 63lCgZ6nIdYVIjsqxNFfFEuBNarYCi4KJw7NZksoM0YSXeijWtWazUxbeEa28+SV
 dB2OaWzwPt5hS3cJhZ9oM+YK2LNlhXOl+e9MK9ZuGnMzEf9JXj4wJhYkxhA5KrB5
 KVXQciYkDm+SbZk9e0AcoV5OqVIvfHfDxTN4ysNe/BHMwMPyyifNvCdx3faiWLVZ
 sMrxb44l3JMrQD70XMSdFYFkuw1KfWXuXRWSvFmixiXkSPQWoQMnuVXYEZfNRqth
 PdPXgqh2KQ7zrjLSZrrKNqBLzHR94UkUuAu8rsDmapWj7KKP48tLoeooMgLvMAJz
 xp7KowVKTim1OSywVWW7UH6gkFagCqI/v9uCxvCTjKutjv9Hzeyask8Z/N/IGhIp
 wG+c1jhFAXhPnbMV7k7QJnPPrpVPM1ZFKVklc6ZaqxumXcCAik0=
 =y/xu
 -----END PGP SIGNATURE-----

Merge tag 'devicetree-for-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree updates from Rob Herring:
 "DT Bindings:

   - Various LED binding conversions and clean-ups. Convert the
     ir-spi-led, pwm-ir-tx, and gpio-ir-tx LED bindings to schemas.
     Consistently reference LED common.yaml or multi-led schemas and
     disallow undefined properties.

   - Convert IDT 89HPESx, pwm-clock, st,stmipid02, Xilinx PCIe hosts,
     and fsl,imx-fb bindings to schema

   - Add ata-generic, Broadcom u-boot environment, and dynamic MTD
     sub-partitions bindings.

   - Make all SPI based displays reference spi-peripheral-props.yaml

   - Fix some schema property regex's which should be fixed strings or
     were missing start/end anchors

   - Remove 'status' in examples, again...

  DT Core:

   - Fix a possible NULL dereference in overlay functions

   - Fix kexec reading 32-bit "linux,initrd-{start,end}" values (which
     never worked)

   - Add of_address_count() helper to count number of 'reg' entries

   - Support .dtso extension for DT overlay source files. Rename staging
     and unittest overlay files.

   - Update dtc to upstream v1.6.1-63-g55778a03df61"

* tag 'devicetree-for-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (42 commits)
  dt-bindings: leds: Add missing references to common LED schema
  dt-bindings: leds: intel,lgm: Add missing 'led-gpios' property
  of: overlay: fix null pointer dereferencing in find_dup_cset_node_entry() and find_dup_cset_prop()
  dt-bindings: lcdif: Fix constraints for imx8mp
  media: dt-bindings: atmel,isc: Drop unneeded unevaluatedProperties
  dt-bindings: Drop Jee Heng Sia
  dt-bindings: thermal: cooling-devices: Add missing cache related properties
  dt-bindings: leds: irled: ir-spi-led: convert to DT schema
  dt-bindings: leds: irled: pwm-ir-tx: convert to DT schema
  dt-bindings: leds: irled: gpio-ir-tx: convert to DT schema
  dt-bindings: leds: mt6360: rework to match multi-led
  dt-bindings: leds: lp55xx: rework to match multi-led
  dt-bindings: leds: lp55xx: switch to preferred 'gpios' suffix
  dt-bindings: leds: lp55xx: allow label
  dt-bindings: leds: use unevaluatedProperties for common.yaml
  dt-bindings: thermal: tsens: Add SM6115 compatible
  of/kexec: Fix reading 32-bit "linux,initrd-{start,end}" values
  dt-bindings: display: Convert fsl,imx-fb.txt to dt-schema
  dt-bindings: Add missing start and/or end of line regex anchors
  dt-bindings: qcom,pdc: Add missing compatibles
  ...
2022-12-13 13:13:55 -08:00
Linus Torvalds
01f3cbb296 SoC: DT changes for 6.2
The devicetree changes contain exactly 1000 non-merge changesets,
 including a number of new arm64 SoC variants from Qualcomm and Apple,
 as well as the Renesas r9a07g043f/u chip in both arm64 and riscv variants
 While we have occasionally merged support for non-arm SoCs in the past,
 this is now the normal path for riscv devicetree files.
 
 The most notable changes, by SoC platform, are:
 
  - The Apple T6000 (M1 Pro), T6001 (M1 Max) and T6002 (M2 Ultra)
    chips now have initial support. This is particularly nice as I am
    typing this on a T6002 Mac Studio with only a small number of driver
    patches.
 
  - Qualcomm MSM8996 Pro (Snapdragon 821), SM6115 (Snapdragon 662), SM4250
    (Snapdragon 460), SM6375 (Snapdragon 695), SDM670 (Snapdragon 670),
    MSM8976 (Snapdragon 652) and MSM8956 (Snapdragon 650) are all mobile
    phone chips that are closely related to others we already support.
    Adding those helps support more phones and we add several models
    from Sony (Xperia 10 IV, 5 IV, X, and X compact), OnePlus (One, 3,
    3T, and Nord N100), Xiaomi (Poco F1, Mi6), Huawei (Watch) and Google
    (Pixel 3a).  There are also new variants of the Herobrine and Trogdor
    chromebook motherboards.  SA8540P is an automotive SoC used in the
    Qdrive-3 development platform
 
  - Rockchips gains no new SoC variants, but a lot of new boards:
    three mobile gaming systems based on RK3326 Odroid-Go/rg351 family,
    two more Anbernic gaming systems based on RK3566 and a number of
    other RK356x based single-board computers.
 
  - Renesas RZ/G2UL (r9a07g043) was already supported for arm64, but as
    the newly added RZ/Five is based on the same design, this now gets
    reorganized in order to share most of the dts description between
    the two and add the RZ/Five SMARC EVK board support.
 
 Aside from that, there are the usual changes all over the tree:
 
  - New boards on other platforms contain two ASpeed BMC users, two
    Broadcom based Wifi routers, Zyxel NSA310S NAS, the i.MX6 based Kobo
    Aura2 ebook reader, two i.MX8 based development boards, two Uniphier
    Pro5 development boards, the STM32MP1 testbench board from DHCOR,
    the TI K3 based BeagleBone AI-64 board, and the Mediatek Helio X10
    based Sony Xperia M5 phone.
 
  - The Starfive JH7100 source gets reorganized in order to support the
    VisionFive V1 board.
 
  - Minor updates and cleanups for Intel SoCFPGA, Marvell PXA168,
    TI, ST, NXP, Apple, Broadcom, Juno, Marvell MVEBU, at91, nuvoton,
    Tegra, Mediatek, Renesas, Hisilicon, Allwinner, Samsung, ux500,
    spear, ...  The treewide cleanups now have a lot of fixes for cache
    nodes and other binding violoations.
 
  - Somewhat larger sets of reworks for NVIDIA Tegra, Qualcomm
    and Renesas platforms, adding a lot more on-chip device support
 
  - A rework of the way that DTB overlays are built.
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEo6/YBQwIrVS28WGKmmx57+YAGNkFAmOSFNQACgkQmmx57+YA
 GNnAIg/+KAiUHpSI02V2sQyDXout2laM8fxl8pW4qREQLKV7U+fi74vbd297HSsv
 yxOrrvD6aU9QUzWvdYEezqZxUEoOAibEAE3qMaJZrCjzdtmQvIeUJQuNhhg/oGFP
 ZcSN8E+60qxsYwfXw9OHp5TTLi5X/ejRmJoPkC/DHbxbpu07YKT0aHf9qoeD8ntM
 8Y+qRiC9AYMnK49rw/HSsQIOXKC0tUQrfsavnJGKFE2wUAdD1ZFf34VtMu580USo
 eVX++hun/AKKhdU/ZV9xZKUCQTU405SwscGdP5OFtkjNqHCHwdcU10Kp/PxR3XNq
 t5Zmfg9PO/OfV17K91t60hkgfZsNojP6mvGwGhYSuIEYKbya3o4YrPJZb/8jd2Vr
 QclwN94m53zDTEfhdW4sJ1HGFV8FhQGjQ1PNBuUf2YXIztpuhd4PnCc/R31K4Yr8
 O0S2tl/PxUPB2ouHzpuB+4QMGYZjK3OmFNIEZ8tucIuwOeagkZmDUPuq6o1Nj0Je
 9XDJVAZf0wFztnbnAKdJkF15Fs8wT8wZLIZOnzy4Zp2HhKHkCKQ0EFSyN37WmM6l
 fKktQ/U7sULwrEGSz9cBuYjrq7uOsCnRZD2R6MbB0rs16oHIl4OrVSSzoqYQSTlo
 JOAimJJo2mLsslzaKr4TrqhUj9zkrYaWgOLPXD3c4MSLRK/Tqnk=
 =WCFd
 -----END PGP SIGNATURE-----

Merge tag 'soc-dt-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC DT updates from Arnd Bergmann:
 "The devicetree changes contain exactly 1000 non-merge changesets,
  including a number of new arm64 SoC variants from Qualcomm and Apple,
  as well as the Renesas r9a07g043f/u chip in both arm64 and riscv
  variants.

  While we have occasionally merged support for non-arm SoCs in the
  past, this is now the normal path for riscv devicetree files.

  The most notable changes, by SoC platform, are:

   - The Apple T6000 (M1 Pro), T6001 (M1 Max) and T6002 (M1 Ultra) chips
     now have initial support. This is particularly nice as I am typing
     this on a T6002 Mac Studio with only a small number of driver
     patches.

   - Qualcomm MSM8996 Pro (Snapdragon 821), SM6115 (Snapdragon 662),
     SM4250 (Snapdragon 460), SM6375 (Snapdragon 695), SDM670
     (Snapdragon 670), MSM8976 (Snapdragon 652) and MSM8956 (Snapdragon
     650) are all mobile phone chips that are closely related to others
     we already support.

     Adding those helps support more phones and we add several models
     from Sony (Xperia 10 IV, 5 IV, X, and X compact), OnePlus (One, 3,
     3T, and Nord N100), Xiaomi (Poco F1, Mi6), Huawei (Watch) and
     Google (Pixel 3a).

     There are also new variants of the Herobrine and Trogdor chromebook
     motherboards. SA8540P is an automotive SoC used in the Qdrive-3
     development platform

   - Rockchips gains no new SoC variants, but a lot of new boards: three
     mobile gaming systems based on RK3326 Odroid-Go/rg351 family, two
     more Anbernic gaming systems based on RK3566 and a number of other
     RK356x based single-board computers.

   - Renesas RZ/G2UL (r9a07g043) was already supported for arm64, but as
     the newly added RZ/Five is based on the same design, this now gets
     reorganized in order to share most of the dts description between
     the two and add the RZ/Five SMARC EVK board support.

  Aside from that, there are the usual changes all over the tree:

   - New boards on other platforms contain two ASpeed BMC users, two
     Broadcom based Wifi routers, Zyxel NSA310S NAS, the i.MX6 based
     Kobo Aura2 ebook reader, two i.MX8 based development boards, two
     Uniphier Pro5 development boards, the STM32MP1 testbench board from
     DHCOR, the TI K3 based BeagleBone AI-64 board, and the Mediatek
     Helio X10 based Sony Xperia M5 phone.

   - The Starfive JH7100 source gets reorganized in order to support the
     VisionFive V1 board.

   - Minor updates and cleanups for Intel SoCFPGA, Marvell PXA168, TI,
     ST, NXP, Apple, Broadcom, Juno, Marvell MVEBU, at91, nuvoton,
     Tegra, Mediatek, Renesas, Hisilicon, Allwinner, Samsung, ux500,
     spear, ... The treewide cleanups now have a lot of fixes for cache
     nodes and other binding violoations.

   - Somewhat larger sets of reworks for NVIDIA Tegra, Qualcomm and
     Renesas platforms, adding a lot more on-chip device support

   - A rework of the way that DTB overlays are built"

* tag 'soc-dt-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (979 commits)
  arm64: dts: apple: t6002: Fix GPU power domains
  arm64: dts: apple: t600x-pmgr: Fix search & replace typo
  arm64: dts: apple: Add t8103 L1/L2 cache properties and nodes
  arm64: dts: apple: Rename dart-sio* to sio-dart*
  arch: arm64: apple: t600x: Use standard "iommu" node name
  arch: arm64: apple: t8103: Use standard "iommu" node name
  ARM: dts: socfpga: Fix pca9548 i2c-mux node name
  dt-bindings: iio: adc: qcom,spmi-vadc: fix PM8350 define
  dt-bindings: iio: adc: qcom,spmi-vadc: extend example
  arm64: dts: qcom: sc8280xp: fix UFS DMA coherency
  arm64: dts: qcom: sc7280: Add DT for sc7280-herobrine-zombie
  arm64: dts: qcom: sm8250-sony-xperia-edo: fix no-mmc property for SDHCI
  arm64: dts: qcom: sdm845-sony-xperia-tama: fix no-mmc property for SDHCI
  arm64: dts: qcom: sda660-inforce-ifc6560: fix no-mmc property for SDHCI
  arm64: dts: qcom: sa8155p-adp: fix no-mmc property for SDHCI
  arm64: dts: qcom: qrb5165-rb: fix no-mmc property for SDHCI
  arm64: dts: qcom: sm8450: align MMC node names with dtschema
  arm64: dts: qcom: sc7180-trogdor: use generic node names
  arm64: dts: qcom: sm8450-hdk: add sound support
  arm64: dts: qcom: sm8450: add Soundwire and LPASS
  ...
2022-12-12 10:21:03 -08:00
ruanjinjie
ee9d7a0e75 of: overlay: fix null pointer dereferencing in find_dup_cset_node_entry() and find_dup_cset_prop()
When kmalloc() fail to allocate memory in kasprintf(), fn_1 or fn_2 will
be NULL, and strcmp() will cause null pointer dereference.

Fixes: 2fe0e8769d ("of: overlay: check prevents multiple fragments touching same property")
Signed-off-by: ruanjinjie <ruanjinjie@huawei.com>
Link: https://lore.kernel.org/r/20221211023337.592266-1-ruanjinjie@huawei.com
Signed-off-by: Rob Herring <robh@kernel.org>
2022-12-11 19:00:36 -06:00
Rob Herring
e553ad8d79 of/kexec: Fix reading 32-bit "linux,initrd-{start,end}" values
"linux,initrd-start" and "linux,initrd-end" can be 32-bit values even on
a 64-bit platform. Ideally, the size should be based on
'#address-cells', but that has never been enforced in the kernel's FDT
boot parsing code (early_init_dt_check_for_initrd()). Bootloader
behavior is known to vary. For example, kexec always writes these as
64-bit. The result of incorrectly reading 32-bit values is most likely
the reserved memory for the original initrd will still be reserved
for the new kernel. The original arm64 equivalent of this code failed to
release the initrd reserved memory in *all* cases.

Use of_read_number() to mirror the early_init_dt_check_for_initrd()
code.

Fixes: b30be4dc73 ("of: Add a common kexec FDT setup function")
Cc: stable@vger.kernel.org
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Link: https://lore.kernel.org/r/20221128202440.1411895-1-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
2022-12-06 14:50:36 -06:00
Uwe Kleine-König
11b9328154 of: unittest: Convert to i2c's .probe_new()
In struct i2c_driver, field new_probe replaces the soon to be deprecated
field probe.  Update unittest for this change. The probe function
doesn't make use of the i2c_device_id * parameter so it can be trivially
converted.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Frank Rowand <frowand.list@gmail.com>
Link: https://lore.kernel.org/r/20221118224540.619276-510-uwe@kleine-koenig.org
[robh: Add Frank's commit msg addition]
Signed-off-by: Rob Herring <robh@kernel.org>
2022-12-06 14:50:35 -06:00
Yang Yingliang
60d865bd5a of: property: decrement node refcount in of_fwnode_get_reference_args()
In of_fwnode_get_reference_args(), the refcount of of_args.np has
been incremented in the case of successful return from
of_parse_phandle_with_args() or of_parse_phandle_with_fixed_args().

Decrement the refcount if of_args is not returned to the caller of
of_fwnode_get_reference_args().

Fixes: 3e3119d308 ("device property: Introduce fwnode_property_get_reference_args")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Frank Rowand <frowand.list@gmail.com>
Link: https://lore.kernel.org/r/20221121023209.3909759-1-yangyingliang@huawei.com
Signed-off-by: Rob Herring <robh@kernel.org>
2022-11-22 17:22:52 -06:00
Greg Kroah-Hartman
9f041c5d82 driver core: pass a const * into of_device_uevent()
of_device_uevent() does not modify the struct device * passed into it,
so make it a const * to enforce this.  Also the documentation for the
function was really wrong so fix that up at the same time.

Cc: Rob Herring <robh+dt@kernel.org>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: devicetree@vger.kernel.org
Link: https://lore.kernel.org/r/20221121094649.1556002-5-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-11-22 17:34:55 +01:00
Rob Herring
26c9134a37 Merge branch 'dt/dtbo-rename' into dt/next 2022-10-26 09:11:54 -05:00
Frank Rowand
e87cacadeb of: overlay: rename overlay source files from .dts to .dtso
In drivers/of/unittest-data/:
   - Rename .dts overlay source files to use .dtso suffix.

Modify driver/of/unitest.c to use .dtbo.o based symbols instead of .dtb.o

Signed-off-by: Frank Rowand <frank.rowand@sony.com>
Signed-off-by: Andrew Davis <afd@ti.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Frank Rowand <frowand.list@gmail.com>
Tested-by: Frank Rowand <frowand.list@gmail.com>
Link: https://lore.kernel.org/r/20221024173434.32518-4-afd@ti.com
Signed-off-by: Rob Herring <robh@kernel.org>
2022-10-26 09:02:28 -05:00