Commit Graph

353 Commits

Author SHA1 Message Date
Wei Yongjun
d754442416 soc/fsl/bman: Use resource_size instead of computation
Use resource_size function on resource object
instead of explicit computation.

Generated by: scripts/coccinelle/api/resource_size.cocci

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-12-04 19:54:40 -06:00
Geliang Tang
c9492b4bea soc/fsl/qe: use builtin_platform_driver
Use builtin_platform_driver() helper to simplify the code.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-12-04 19:52:45 -06:00
Claudiu Manoil
1805882276 soc/qman: Handle endianness of h/w descriptors
The hardware descriptors have big endian (BE) format.
Provide proper endianness handling for the remaining
descriptor fields, to ensure they are correctly
accessed by non-BE CPUs too.

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 21:01:25 -06:00
Claudiu Manoil
496bfa11de soc/qman: Clean up CGR CSCN target update operations
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:49 -06:00
Claudiu Manoil
efe848cdb7 soc/qman: Change remaining contextB into context_b
There are multiple occurences of both contextB and context_b
in different h/w descriptors, referring to the same descriptor
field known as "Context B". Stick with the "context_b" naming,
for obvious reasons including consistency (see also context_a).

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:48 -06:00
Claudiu Manoil
5a42f1ecb3 soc/qbman: Handle endianness of qm/bm_in/out()
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:48 -06:00
Claudiu Manoil
b539945286 soc/qman: Drop unused field from eqcr/dqrr descriptors
ORP ("Order Restoration Point") mechanism not supported.

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:47 -06:00
Claudiu Manoil
d6753c7e65 soc/qman: Fix accesses to fqid, cleanup
Preventively mask every access to the 'fqid' h/w field,
since it is defined as a 24-bit field, for every h/w
descriptor.  Add generic accessors for this field to
ensure correct access.

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:46 -06:00
Claudiu Manoil
7ff07da015 soc/qman: Remove unused struct qm_mcc* layouts
1. qm_mcc_querywq layout not used for now, so drop it;
2. queryfq, queryfq_np and alterfq are used only for accesses to
   the 'fqid' field, so replace these with a generic 'fq' layout.
   As a consequence, 'querycgr' turns into 'cgr' following the
   same reasoning above and for consistent naming.

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:46 -06:00
Claudiu Manoil
e5caf693ac soc/qman: Remove redundant checks from qman_create_cgr()
opts is checked redundantly.
Move local_opts declaration inside its usage scope.

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:45 -06:00
Claudiu Manoil
021ba01066 soc/qman: test: Don't use dummy platform device for dma mapping
Replace dummy platform device hack with a reference to a portal's
platform device, in order to dma map the test frame for this
small unit test.  The 2 qman symbols need to be exported because
this self test is a kernel module.

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:44 -06:00
Claudiu Manoil
0fbeac3b0f soc/qman: Don't add a new platform device for dma mapping
The qman portals are platform devices themselves, so they should
handle dma mappings.  Creating a dummy platform device in order to
support dma mapping operations is not justified (and not portable).
Instead, do the mapping against the first portal that has been
initialised.

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:44 -06:00
Claudiu Manoil
57e68a5e23 soc/qman: test: Fix implementation of fd_cmp()
This function must only return the truth value of whether
two frame descriptors are different or not.
It does NOT have to compute some obscure difference between
fd fields and return it as an int, making sparse complain
about type conversions in the process.

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:43 -06:00
Claudiu Manoil
b6e969dbae soc/qman: Fix direct access to fd's addr_lo, use proper accesor
Use the proper accessor to get the FD address.
Accessing the internal field "addr_lo" directly is not portable
and error prone.

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:42 -06:00
Claudiu Manoil
333e72cf47 soc/qbman: Fix resource leak on portal probing error path
In case init_pcfg() returns with error the CI region
must be unmapped too.

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:41 -06:00
Claudiu Manoil
d95cb0d361 soc/qman: Fix h/w resource cleanup error path handling
qman_query_fq*() may return other error codes apart from
-ERANGE, in which cases the error handling done by the
resource cleanup callers would be wrong.  The patch
fixes the handling of those cases, and cleans up related
code inside the resource cleanup & release handlers (i.e.
replace hardcoded fqid value with corresponding define).

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:40 -06:00
Madalin Bucur
2f28d218d4 soc/qman: Replace of_get_property() with portable equivalent
Use arch portable of_property_read_u32() instead, which takes
care of endianness conversions.

Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:39 -06:00
Madalin Bucur
02b7d2a833 soc/qman: Check ioremap return value
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:38 -06:00
Colin Ian King
57907a73e0 soc/fsl: fix spelling mistakes in critical error messages
Trivial fix to spelling mistake "uncommited" to "uncommitted" in
critical error messages.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-22 01:29:48 -06:00
Linus Torvalds
d8bfb96a2e powerpc updates for 4.9 #2
Freescale updates from Scott:
 
 "Highlights include qbman support (a prerequisite for datapath drivers
 such as ethernet), a PCI DMA fix+improvement, reset handler changes, more
 8xx optimizations, and some cleanups and fixes."
 
 Fixes:
  - selftests/powerpc: Add missing binaries to .gitignores (Michael Ellerman)
  - selftests/powerpc: Fix build break caused by EXPORT_SYMBOL changes (Michael Ellerman)
  - powerpc/pseries: Fix stack corruption in htpe code (Laurent Dufour)
  - powerpc/64s: Fix power4_fixup_nap placement (Nicholas Piggin)
  - powerpc/64: Fix incorrect return value from __copy_tofrom_user (Paul Mackerras)
  - powerpc/mm/hash64: Fix might_have_hea() check (Michael Ellerman)
 
 Other:
  - MAINTAINERS: Remove myself from PA Semi entries (Olof Johansson)
  - MAINTAINERS: Drop separate pseries entry (Michael Ellerman)
  - MAINTAINERS: Update powerpc website & add selftests (Michael Ellerman)
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Merge tag 'powerpc-4.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull more powerpc updates from Michael Ellerman:
 "Some more powerpc updates for 4.9:

  Freescale updates from Scott Wood:
   - qbman support (a prerequisite for datapath drivers such as ethernet)
   - a PCI DMA fix+improvement
   - reset handler changes
   - more 8xx optimizations
   - some cleanups and fixes.'

  Fixes:
   - selftests/powerpc: Add missing binaries to .gitignores (Michael Ellerman)
   - selftests/powerpc: Fix build break caused by EXPORT_SYMBOL changes (Michael Ellerman)
   - powerpc/pseries: Fix stack corruption in htpe code (Laurent Dufour)
   - powerpc/64s: Fix power4_fixup_nap placement (Nicholas Piggin)
   - powerpc/64: Fix incorrect return value from __copy_tofrom_user (Paul Mackerras)
   - powerpc/mm/hash64: Fix might_have_hea() check (Michael Ellerman)

  Other:
   - MAINTAINERS: Remove myself from PA Semi entries (Olof Johansson)
   - MAINTAINERS: Drop separate pseries entry (Michael Ellerman)
   - MAINTAINERS: Update powerpc website & add selftests (Michael Ellerman):

* tag 'powerpc-4.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (35 commits)
  powerpc/mm/hash64: Fix might_have_hea() check
  powerpc/64: Fix incorrect return value from __copy_tofrom_user
  powerpc/64s: Fix power4_fixup_nap placement
  powerpc/pseries: Fix stack corruption in htpe code
  selftests/powerpc: Fix build break caused by EXPORT_SYMBOL changes
  MAINTAINERS: Update powerpc website & add selftests
  MAINTAINERS: Drop separate pseries entry
  MAINTAINERS: Remove myself from PA Semi entries
  selftests/powerpc: Add missing binaries to .gitignores
  arch/powerpc: Add CONFIG_FSL_DPAA to corenetXX_smp_defconfig
  soc/qman: Add self-test for QMan driver
  soc/bman: Add self-test for BMan driver
  soc/fsl: Introduce DPAA 1.x QMan device driver
  soc/fsl: Introduce DPAA 1.x BMan device driver
  powerpc/8xx: make user addr DTLB miss the short path
  powerpc/8xx: Move additional DTLBMiss handlers out of exception area
  powerpc/8xx: use r3 to scratch CR in ITLBmiss
  soc/fsl/qe: fix gpio save_regs functions
  powerpc/8xx: add dedicated machine check handler
  powerpc/8xx: add system_reset_exception
  ...
2016-10-14 11:07:42 -07:00
Linus Torvalds
6afd563d4b ARM: SoC driver updates for v4.9
Driver updates for ARM SoCs, including a couple of newly added drivers:
 
 - The Qualcomm external bus interface 2 (EBI2), used in some of their
   mobile phone chips for connecting flash memory, LCD displays or
   other peripherals
 
 - Secure monitor firmware for Amlogic SoCs, and an NVMEM driver for the
   EFUSE based on that firmware interface.
 
 - Perf support for the AppliedMicro X-Gene performance monitor unit
 
 - Reset driver for STMicroelectronics STM32
 
 - Reset driver for SocioNext UniPhier SoCs
 
 Aside from these, there are minor updates to SoC-specific bus,
 clocksource, firmware, pinctrl, reset, rtc and pmic drivers.
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Arnd Bergmann:
 "Driver updates for ARM SoCs, including a couple of newly added
  drivers:

   - The Qualcomm external bus interface 2 (EBI2), used in some of their
     mobile phone chips for connecting flash memory, LCD displays or
     other peripherals

   - Secure monitor firmware for Amlogic SoCs, and an NVMEM driver for
     the EFUSE based on that firmware interface.

   - Perf support for the AppliedMicro X-Gene performance monitor unit

   - Reset driver for STMicroelectronics STM32

   - Reset driver for SocioNext UniPhier SoCs

  Aside from these, there are minor updates to SoC-specific bus,
  clocksource, firmware, pinctrl, reset, rtc and pmic drivers"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (50 commits)
  bus: qcom-ebi2: depend on HAS_IOMEM
  pinctrl: mvebu: orion5x: Generalise mv88f5181l support for 88f5181
  clk: mvebu: Add clk support for the orion5x SoC mv88f5181
  dt-bindings: EXYNOS: Add Exynos5433 PMU compatible
  clocksource: exynos_mct: Add the support for ARM64
  perf: xgene: Add APM X-Gene SoC Performance Monitoring Unit driver
  Documentation: Add documentation for APM X-Gene SoC PMU DTS binding
  MAINTAINERS: Add entry for APM X-Gene SoC PMU driver
  bus: qcom: add EBI2 driver
  bus: qcom: add EBI2 device tree bindings
  rtc: rtc-pm8xxx: Add support for pm8018 rtc
  nvmem: amlogic: Add Amlogic Meson EFUSE driver
  firmware: Amlogic: Add secure monitor driver
  soc: qcom: smd: Reset rx tail rather than tx
  memory: atmel-sdramc: fix a possible NULL dereference
  reset: hi6220: allow to compile test driver on other architectures
  reset: zynq: add driver Kconfig option
  reset: sunxi: add driver Kconfig option
  reset: stm32: add driver Kconfig option
  reset: socfpga: add driver Kconfig option
  ...
2016-10-07 21:23:40 -07:00
Claudiu Manoil
e0b80f00bb arch/powerpc: Add CONFIG_FSL_DPAA to corenetXX_smp_defconfig
Enable the drivers on the powerpc arch.

Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-09-25 02:39:01 -05:00
Claudiu Manoil
de77562339 soc/qman: Add self-test for QMan driver
Add self tests for the DPAA 1.x Queue Manager driver. The tests
ensure that the driver can properly enqueue and dequeue to/from
frame queues using the QMan portal infrastructure.

Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-09-25 02:39:00 -05:00
Claudiu Manoil
97e0d385b1 soc/bman: Add self-test for BMan driver
Add a self test for the DPAA 1.x Buffer Manager driver. This
test ensures that the driver can properly acquire and release
buffers using the BMan portal infrastructure.

Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-09-25 02:38:59 -05:00
Claudiu Manoil
c535e923bb soc/fsl: Introduce DPAA 1.x QMan device driver
This driver enables the Freescale DPAA 1.x Queue Manager block.
QMan is a hardware accelerator that manages frame queues.  It allows
CPUs and other accelerators connected to the SoC datapath to enqueue
and dequeue ethernet frames, thus providing the infrastructure for
data exchange among CPUs and datapath accelerators.

Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-09-25 02:38:59 -05:00
Claudiu Manoil
1f9c0a7727 soc/fsl: Introduce DPAA 1.x BMan device driver
This driver enables the Freescale DPAA 1.x Buffer Manager block.
BMan is a hardware accelerator that manages buffer pools.  It allows
CPUs and other accelerators connected to the SoC datapath to acquire
and release buffers during data processing.

Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-09-25 02:38:58 -05:00
Christophe Leroy
5dc6f3fede soc/fsl/qe: fix gpio save_regs functions
of_mm_gpiochip_add_data() calls mm_gc->save_regs() before
setting the data. Therefore ->save_regs() cannot use
gpiochip_get_data()

An Oops is encountered without this fix.

fixes: 1e714e54b5 ("powerpc: qe_lib-gpio: use gpiochip data pointer")
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Cc: <stable@vger.kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-09-25 02:38:56 -05:00
Christophe Leroy
4d486e0083 soc/fsl/qe: fix Oops on CPM1 (and likely CPM2)
Commit 0e6e01ff69 ("CPM/QE: use genalloc to manage CPM/QE muram")
has changed the way muram is managed.
genalloc uses kmalloc(), hence requires the SLAB to be up and running.

On powerpc 8xx, cpm_reset() is called early during startup.
cpm_reset() then calls cpm_muram_init() before SLAB is available,
hence the following Oops.

cpm_reset() cannot be called during initcalls because the CPM is
needed for console.

This patch removes the call to cpm_muram_init() from cpm_reset().
cpm_muram_init() will be called from a new function called cpm_init()
which is declared as subsys_initcall, unless cpm_muram_alloc() is
called earlier for the serial console in which case cpm_muram_init()
will be called from there.

The reason for calling it from two places is that some drivers
(e.g. i2c-cpm) need some of the initialisations done by
cpm_muram_init() but don't call cpm_muram_alloc(). The console
driver calls cpm_muram_alloc() but some platforms might not use
the CPM serial ports for console.

[    0.000000] Unable to handle kernel paging request for data at address 0x00000008
[    0.000000] Faulting instruction address: 0xc01acce0
[    0.000000] Oops: Kernel access of bad area, sig: 11 [#1]
[    0.000000] PREEMPT CMPC885
[    0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.4.14-g0886ed8 #5
[    0.000000] task: c05183e0 ti: c0536000 task.ti: c0536000
[    0.000000] NIP: c01acce0 LR: c0011068 CTR: 00000000
[    0.000000] REGS: c0537e50 TRAP: 0300   Not tainted (4.4.14-s3k-dev-g0886ed8-svn)
[    0.000000] MSR: 00001032 <ME,IR,DR,RI>  CR: 28044428  XER: 00000000
[    0.000000] DAR: 00000008 DSISR: c0000000
GPR00: c0011068 c0537f00 c05183e0 00000000 00009000 ffffffff 00000bc0 ffffffff
GPR08: ff003000 ff00b000 ff003bbf 00000000 22044422 100d43a8 00000000 07ff94e8
GPR16: 00000000 07bb5d70 00000000 07ff81f4 07ff81f4 07ff81f4 00000000 00000000
GPR24: 07ffb3a0 07fe7628 c0550000 c7ffa190 c0540000 ff003bbf 00000000 00000001
[    0.000000] NIP [c01acce0] gen_pool_add_virt+0x14/0xdc
[    0.000000] LR [c0011068] cpm_muram_init+0xd4/0x18c
[    0.000000] Call Trace:
[    0.000000] [c0537f00] [00000200] 0x200 (unreliable)
[    0.000000] [c0537f20] [c0011068] cpm_muram_init+0xd4/0x18c
[    0.000000] [c0537f70] [c0494684] cpm_reset+0xb4/0xc8
[    0.000000] [c0537f90] [c0494c64] cmpc885_setup_arch+0x10/0x30
[    0.000000] [c0537fa0] [c0493cd4] setup_arch+0x130/0x168
[    0.000000] [c0537fb0] [c04906bc] start_kernel+0x88/0x380
[    0.000000] [c0537ff0] [c0002224] start_here+0x38/0x98
[    0.000000] Instruction dump:
[    0.000000] 91430010 91430014 80010014 83e1000c 7c0803a6 38210010 4e800020 7c0802a6
[    0.000000] 9421ffe0 bf61000c 90010024 7c7e1b78 <80630008> 7c9c2378 7cc31c30 3863001f
[    0.000000] ---[ end trace dc8fa200cb88537f ]---

fixes: 0e6e01ff69 ("CPM/QE: use genalloc to manage CPM/QE muram")
Cc: stable@vger.linux.org
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
[scottwood: Removed some string changes unrelated to bugfix]
Signed-off-by: Scott Wood <oss@buserror.net>
2016-09-25 02:38:52 -05:00
Julia Lawall
74c269f69c fsl/qe: use of_property_read_bool
Use of_property_read_bool to check for the existence of a property.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression e1,e2;
statement S2,S1;
@@
-       if (of_get_property(e1,e2,NULL))
+       if (of_property_read_bool(e1,e2))
        S1 else S2
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-09-25 02:38:51 -05:00
Zhao Qiang
5066943a51 soc/fsl/qe: Use of_adress_to_resource() in get_qe_base()
modify get_qe_base function with of_address_to_resource
instead of of_get_property and of_translate_address.

Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-09-24 23:01:17 -05:00
Vaishali Thakkar
40f1ebd4e0 soc/fsl/qe: Use resource_size
Use the function resource_size instead of explicit computation.

Problem found using Coccinelle.

Signed-off-by: Vaishali Thakkar <vaishali.thakkar@oracle.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-09-24 22:46:55 -05:00
Arnd Bergmann
70e0588355 - extent the waiting time of the pmic wrapper to 10 ms which
reduces the failure rate on the data transfer between pmic and
 pmic wrapper.
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Merge tag 'v4.8-next-soc' of https://github.com/mbgg/linux-mediatek into next/drivers

Pull "ARM: mediatek: soc updates for v4.9" from Matthias Brugger:

extent the waiting time of the pmic wrapper to 10 ms which
reduces the failure rate on the data transfer between pmic and
pmic wrapper.

* tag 'v4.8-next-soc' of https://github.com/mbgg/linux-mediatek:
  soc: mediatek: PMIC wrap: Extend the waiting time to 10ms.
2016-09-19 10:52:43 +02:00
Arnd Bergmann
bdfb3af1b3 soc/tegra: Changes for v4.9-rc1
This contains a single patch to fix an issue with setting the deep power
 down mode of I/O rails.
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Merge tag 'tegra-for-4.9-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers

Pull "soc/tegra: Changes for v4.9-rc1" from Thierry Reding:

This contains a single patch to fix an issue with setting the deep power
down mode of I/O rails.

* tag 'tegra-for-4.9-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  soc/tegra: pmc: Fix incorrect DPD request
2016-09-15 00:41:12 +02:00
Arnd Bergmann
fceec41b68 Qualcomm ARM Based Driver Updates for v4.9
* Silence smem probe defer messages
 * Make scm explicitly non-modular
 * Assorted SMD bug fixes and minor changes
 * Add PM8018 RTC support
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Merge tag 'qcom-drivers-for-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/drivers

Pull "Qualcomm ARM Based Driver Updates for v4.9" from Andy Gross:

* Silence smem probe defer messages
* Make scm explicitly non-modular
* Assorted SMD bug fixes and minor changes
* Add PM8018 RTC support

* tag 'qcom-drivers-for-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
  rtc: rtc-pm8xxx: Add support for pm8018 rtc
  soc: qcom: smd: Reset rx tail rather than tx
  soc: qcom: smd: Represent smd edges as devices
  soc: qcom: smd: Request irqs after parsing properties
  soc: qcom: smd: Simplify multi channel handling
  soc: qcom: smd: Correct compile stub prototypes
  firmware: qcom_scm: make it explicitly non-modular
  soc: qcom: smem: Silence probe defer error
2016-09-15 00:18:56 +02:00
Jon Hunter
8d68c3713a ARM: EXYNOS: Remove calls to of_genpd_get_from_provider()
Update the EXYNOS PM domain code to use the of_genpd_add_subdomain()
and remove any calls to of_genpd_get_from_provider().

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-09-13 02:49:33 +02:00
Bjorn Andersson
4e21a95d7f soc: qcom: smd: Reset rx tail rather than tx
The local end of each SMD channel is responsible for updating the tx
head and the rx tail, as such we should not touch the tx tail during a
reset.

Reported-by: Jeremy McNicoll <jmcnicol@redhat.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2016-09-01 14:19:50 -05:00
Bjorn Andersson
da0573026c soc: qcom: smd: Represent smd edges as devices
By representing each edge as its own device the channels are no longer
tied to being parented by the same smd device and as such an edge can
live as children of e.g. remoteproc instances.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2016-08-23 15:46:33 -05:00
Bjorn Andersson
381a0b4ce4 soc: qcom: smd: Request irqs after parsing properties
The code exectued by the interrupt handler depends on the values parsed
after requesting the irq, just to be save we should therefor move the
request_irq() call to be done after parsing the properties.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2016-08-23 15:46:33 -05:00
Bjorn Andersson
0a0c08cae0 soc: qcom: smd: Simplify multi channel handling
Multi-channel clients split between several drivers need a way to close
individual channels, as these drivers might be removed individually.
With this in place the responsibility of closing additionally opened
channels to the client as well only concerning smd about the primary
channel.

With this approach we will only trigger removal of SMD devices based on
the state of the primary channel, however we get in sync with how rpmsg
works.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2016-08-23 15:46:32 -05:00
Stephen Boyd
951a5af922 soc: qcom: smem: Silence probe defer error
If we fail to get the hwspinlock due to probe defer, we shouldn't
print an error message. Just be silent in this case.

Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2016-08-23 15:46:32 -05:00
Henry Chen
e180f887ba soc: mediatek: PMIC wrap: Extend the waiting time to 10ms.
Read data fails sometimes because of a timeout that PMIC cannot transfer data
to PMIC wrap on time, extend the waiting time to 10ms to reduce the failed
rate.

Signed-off-by: Henry Chen <henryc.chen@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2016-08-22 19:31:36 +02:00
Elaine Zhang
6f27ab3e42 soc: rockchip: support active_wakeup for rockchip power-domains
Register gpd_dev_ops.active_wakeup function to support keep power
during suspend state. And add flag to each power domain to
decide whether keep power during suspend or not.

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2016-08-19 00:37:20 +02:00
Vince Hsu
a9ccc123a8 soc/tegra: pmc: Fix incorrect DPD request
Reading the DPD_REQ & DPD2_REQ registers returns the previous requests.
If we sets the current request bit with the returned value, then other
pads will be turned on or off unexpectedly.

Signed-off-by: Vince Hsu <vinceh@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-08-16 12:30:52 +02:00
Linus Torvalds
43a0a98aa8 ARM: SoC driver updates for v4.8
Driver updates for ARM SoCs.
 
 A slew of changes this release cycle. The reset driver tree, that we merge
 through arm-soc for historical reasons, is also sizable this time around.
 
 Among the changes:
 
  - clps711x: Treewide changes to compatible strings, merged here for simplicity.
  - Qualcomm: SCM firmware driver cleanups, move to platform driver
  - ux500: Major cleanups, removal of old mach-specific infrastructure.
  - Atmel external bus memory driver
  - Move of brcmstb platform to the rest of bcm
  - PMC driver updates for tegra, various fixes and improvements
  - Samsung platform driver updates to support 64-bit Exynos platforms
  - Reset controller cleanups moving to devm_reset_controller_register() APIs
  - Reset controller driver for Amlogic Meson
  - Reset controller driver for Hisilicon hi6220
  - ARM SCPI power domain support
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Olof Johansson:
 "Driver updates for ARM SoCs.

  A slew of changes this release cycle.  The reset driver tree, that we
  merge through arm-soc for historical reasons, is also sizable this
  time around.

  Among the changes:

   - clps711x: Treewide changes to compatible strings, merged here for simplicity.
   - Qualcomm: SCM firmware driver cleanups, move to platform driver
   - ux500: Major cleanups, removal of old mach-specific infrastructure.
   - Atmel external bus memory driver
   - Move of brcmstb platform to the rest of bcm
   - PMC driver updates for tegra, various fixes and improvements
   - Samsung platform driver updates to support 64-bit Exynos platforms
   - Reset controller cleanups moving to devm_reset_controller_register() APIs
   - Reset controller driver for Amlogic Meson
   - Reset controller driver for Hisilicon hi6220
   - ARM SCPI power domain support"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (100 commits)
  ARM: ux500: consolidate base platform files
  ARM: ux500: move soc_id driver to drivers/soc
  ARM: ux500: call ux500_setup_id later
  ARM: ux500: consolidate soc_device code in id.c
  ARM: ux500: remove cpu_is_u* helpers
  ARM: ux500: use CLK_OF_DECLARE()
  ARM: ux500: move l2x0 init to .init_irq
  mfd: db8500 stop passing around platform data
  ASoC: ab8500-codec: remove platform data based probe
  ARM: ux500: move ab8500_regulator_plat_data into driver
  ARM: ux500: remove unused regulator data
  soc: raspberrypi-power: add CONFIG_OF dependency
  firmware: scpi: add CONFIG_OF dependency
  video: clps711x-fb: Changing the compatibility string to match with the smallest supported chip
  input: clps711x-keypad: Changing the compatibility string to match with the smallest supported chip
  pwm: clps711x: Changing the compatibility string to match with the smallest supported chip
  serial: clps711x: Changing the compatibility string to match with the smallest supported chip
  irqchip: clps711x: Changing the compatibility string to match with the smallest supported chip
  clocksource: clps711x: Changing the compatibility string to match with the smallest supported chip
  clk: clps711x: Changing the compatibility string to match with the smallest supported chip
  ...
2016-08-01 18:36:01 -04:00
Linus Torvalds
fbae5cbb43 ARM: SoC platform updates for v4.8
Improved and new platform support for various SoCs:
 
  - New SoC support:
    - Broadcom BCM23550
    - Freescale i.MX7Solo
    - Qualcomm MDM9615
    - Renesas r8a7792
  - Conversion of clps711x to multiplatform
  - debug uart improvements for Atmel platforms
  - Tango platform improvements: HOTPLUG_CPU, Suspend-to-ram
  - OMAP tweaks and improvements to hwmod
  - OMAP support for kexec on SMP
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform updates from Olof Johansson:
 "Improved and new platform support for various SoCs:

  New SoC support:
   - Broadcom BCM23550
   - Freescale i.MX7Solo
   - Qualcomm MDM9615
   - Renesas r8a7792

  Improvements:
   - convert clps711x to multiplatform
   - debug uart improvements for Atmel platforms
   - Tango platform improvements: HOTPLUG_CPU, Suspend-to-ram
   - OMAP tweaks and improvements to hwmod
   - OMAP support for kexec on SMP"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (109 commits)
  ARM: davinci: fix build break because of undeclared dm365_evm_snd_data
  ARM: s3c64xx: smartq: Avoid sparse warnings
  ARM: sti: Implement dummy L2 cache's write_sec
  ARM: STi: Update machine _namestr to be more generic.
  arm: meson: explicitly select clk drivers
  ARM: tango: add Suspend-to-RAM support
  ARM: hisi: consolidate the hisilicon machine entries
  ARM: tango: fix CONFIG_HOTPLUG_CPU=n build
  MAINTAINERS: Update BCM281XX/BCM11XXX/BCM216XX entry
  MAINTAINERS: Update BCM63XX entry
  MAINTAINERS: Add NS2 entry
  MAINTAINERS: Fix nsp false-positives
  MAINTAINERS: Change L to M for Broadcom ARM/ARM64 SoC entries
  ARM: debug: Enable DEBUG_BCM_5301X for Northstar Plus SoCs
  ARM: clps711x: Switch to MULTIPLATFORM
  ARM: clps711x: Remove boards support
  ARM: clps711x: Add basic DT support
  ARM: clps711x: Reduce static map size
  ARM: SAMSUNG: Constify iomem address passed to s5p_init_cpu
  ARM: oxnas: Change OX810SE default driver config
  ...
2016-08-01 18:27:08 -04:00
Arnd Bergmann
f8c6d88b2c Samsung drivers/soc update for v4.8, part 3
1. Fix size of allocation for Exynos SROM registers (too much was allocated).
 2. Constify fix.
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Merge tag 'samsung-drivers-4.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/drivers

Merge "Samsung drivers/soc update for v4.8, part 3" into next/drivers:

1. Fix size of allocation for Exynos SROM registers (too much was allocated).
2. Constify fix.

* tag 'samsung-drivers-4.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  soc: samsung: pmu: Constify arrays with PMU data
  memory: samsung: exynos-srom: Fix wrong count of registers
2016-07-14 15:26:44 +02:00
Arnd Bergmann
f1844aca29 This is a set of cleanups for the Ux500 that reduce the number
of machine-local files and boardfile-type data for regulators
 and ASoC.
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Merge tag 'ux500-cleanup-bundle' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into next/drivers

Merge "Ux500 cleanups from Arnd" from Linus Walleij:

This is a set of cleanups for the Ux500 that reduce the number
of machine-local files and boardfile-type data for regulators
and ASoC.

* tag 'ux500-cleanup-bundle' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson:
  ARM: ux500: consolidate base platform files
  ARM: ux500: move soc_id driver to drivers/soc
  ARM: ux500: call ux500_setup_id later
  ARM: ux500: consolidate soc_device code in id.c
  ARM: ux500: remove cpu_is_u* helpers
  ARM: ux500: use CLK_OF_DECLARE()
  ARM: ux500: move l2x0 init to .init_irq
  mfd: db8500 stop passing around platform data
  ASoC: ab8500-codec: remove platform data based probe
  ARM: ux500: move ab8500_regulator_plat_data into driver
  ARM: ux500: remove unused regulator data
2016-07-14 15:23:19 +02:00
Arnd Bergmann
18a9927878 ARM: ux500: move soc_id driver to drivers/soc
As the ux500 id code is basically a standalone driver, we can move it
out of the arch code into drivers/soc/ux500.

This is a user-visible change, as it moves all the devices in sysfs
from /sys/devices/soc0/ to /sys/devices/ and leaves the soc0 node as a
separate device.

Originally the idea was to put all on-chip devices under the soc node,
and ux500 was the first platform to have this device, but later platforms
almost all didn't follow that pattern, so this makes the platform do
the same thing as everyone else.

Since the platform is really obsolete now, I am optimistic that nothing
will break after moving the devices around.

As the SoC driver no longer has access to the private header files,
I'm changing the code to instead look up the address of the backupram
from devicetree, which is a good idea anyway.

Finally, having a separate Kconfig symbol means the driver is now
optional and could even be a loadable module rather than always being
built-in if we allowed that for soc_device.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[Fixup mising Makefile, fixup BB_UID_BASE to fc0]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-07-12 11:24:09 +02:00
Arnd Bergmann
9bb45cd447 soc: raspberrypi-power: add CONFIG_OF dependency
We get a harmless warning if the RASPBERRYPI_POWER driver is enabled without
CONFIG_OF during compile testing:

warning: RASPBERRYPI_POWER selects PM_GENERIC_DOMAINS_OF which has unmet direct dependencies (PM_GENERIC_DOMAINS && OF)

There is no need to select PM_GENERIC_DOMAINS_OF if OF is set, so we can
replace the 'select' with a dependency.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Eric Anholt <eric@anholt.net>
2016-07-07 14:58:38 +02:00
Olof Johansson
358c79174a soc/tegra: Changes for v4.8-rc1
Contains fixes and cleanups to the PMC driver, as well as some fixes for
 the generic PM domain support and some prep work to support PCIe on 64-
 bit ARM.
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Merge tag 'tegra-for-4.8-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers

soc/tegra: Changes for v4.8-rc1

Contains fixes and cleanups to the PMC driver, as well as some fixes for
the generic PM domain support and some prep work to support PCIe on 64-
bit ARM.

* tag 'tegra-for-4.8-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  soc/tegra: Stub out PCIe IRQ workaround on 64-bit ARM
  soc/tegra: pmc: Enable XUSB partitions on boot
  soc/tegra: pmc: Initialise power partitions early
  soc/tegra: pmc: Add specific error messages
  soc/tegra: pmc: Use whitespace more consistently
  soc/tegra: pmc: Don't probe PMC if early initialisation fails
  soc/tegra: pmc: Add missing of_node_put()
  soc/tegra: pmc: Ensure mutex is always initialised
  soc/tegra: pmc: Don't populate SoC data until register space is mapped
  soc/tegra: pmc: Fix early initialisation of PMC
  soc/tegra: pmc: Ensure powergate is available when powering on
  soc/tegra: pmc: Initialise resets associated with a power partition
  soc/tegra: pmc: Use register definitions instead of magic values

Signed-off-by: Olof Johansson <olof@lixom.net>
2016-07-06 22:34:19 -07:00