Check/fix all warnings generated by checkpatch.pl script on LM75 driver.
Signed-off-by: Michal Orzel <michalorzel.eng@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reduce indentation level in __hwmon_device_register() by preparing a
helper function.
This just improves code readability. No functional change.
Cc: Jean Delvare <jdelvare@suse.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Implement alert functions for INA226, INA230 and INA231. Expose 06h
Mask/Enable and 07h Alert Limit registers via alert setting and alarm
files.
Signed-off-by: Alex Qiu <xqiu@google.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit adds support for lm70 commpatible drivers with systems that
use ACPI.
Signed-off-by: Andrej Picej <andpicej@gmail.com>
[groeck: Fix various issues seen if CONFIG_ACPI=n]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Currently, each new XPS has to be added manually for module autoloading
to work. Since fan multiplier autodetection should work fine on all XPS
models, just match them all with one block like is done for Precision
and Studio.
The only match we replace that doesn't already use autodetection is
"XPS13" which, according to Google, only matches the XPS 13 9333. (All
other XPS 13 models have "XPS" as its own word, surrounded by spaces.)
According to the thread at [1], autodetection works for the XPS 13 9333,
meaning this shouldn't regress it. I do not own one to confirm with,
though.
Tested on an XPS 13 9350 and confirmed the module now autoloads and
reports reasonable-looking data. I am using BIOS 1.12.2 and do not see
any freezes when querying fan speed.
[1] https://lore.kernel.org/patchwork/patch/525367/
Signed-off-by: Thomas Hebb <tommyhebb@gmail.com>
Acked-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/5d7e498b83e89ce7c41a449b61919c65d0770b73.1586033337.git.tommyhebb@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Baikal-T1 SoC provides a DW DMA controller to perform low-speed peripherals
Mem-to-Dev and Dev-to-Mem transaction. This is also applicable to the DW
APB SSI devices embedded into the SoC. Currently the DMA-based transfers
are supported by the DW APB SPI driver only as a middle layer code for
Intel MID/Elkhart PCI devices. Seeing the same code can be used for normal
platform DMAC device we introduced a set of patches to fix it within this
series.
First of all we need to add the Tx and Rx DMA channels support into the DW
APB SSI binding. Then there are several fixes and cleanups provided as a
initial preparation for the Generic DMA support integration: add Tx/Rx
finish wait methods, clear DMAC register when done or stopped, Fix native
CS being unset, enable interrupts in accordance with DMA xfer mode,
discard static DW DMA slave structures, discard unused void priv pointer
and dma_width member of the dw_spi structure, provide the DMA Tx/Rx burst
length parametrisation and make sure it's optionally set in accordance
with the DMA max-burst capability.
In order to have the DW APB SSI MMIO driver working with DMA we need to
initialize the paddr field with the physical base address of the DW APB SSI
registers space. Then we unpin the Intel MID specific code from the
generic DMA one and placed it into the spi-dw-pci.c driver, which is a
better place for it anyway. After that the naming cleanups are performed
since the code is going to be used for a generic DMAC device. Finally the
Generic DMA initialization can be added to the generic version of the
DW APB SSI IP.
Last but not least we traditionally convert the legacy plain text-based
dt-binding file with yaml-based one and as a cherry on a cake replace
the manually written DebugFS registers read method with a ready-to-use
for the same purpose regset32 DebugFS interface usage.
This patchset is rebased and tested on the spi/for-next (5.7-rc5):
base-commit: fe9fce6b2cf3 ("Merge remote-tracking branch 'spi/for-5.8' into spi-next")
Link: https://lore.kernel.org/linux-spi/20200508132943.9826-1-Sergey.Semin@baikalelectronics.ru/
Changelog v2:
- Rebase on top of the spi repository for-next branch.
- Move bindings conversion patch to the tail of the series.
- Move fixes to the head of the series.
- Apply as many changes as possible to be applied the Generic DMA
functionality support is added and the spi-dw-mid is moved to the
spi-dw-dma driver.
- Discard patch "spi: dw: Fix dma_slave_config used partly uninitialized"
since the problem has already been fixed.
- Add new patch "spi: dw: Discard unused void priv pointer".
- Add new patch "spi: dw: Discard dma_width member of the dw_spi structure".
n_bytes member of the DW SPI data can be used instead.
- Build the DMA functionality into the DW APB SSI core if required instead
of creating a separate kernel module.
- Use conditional statement instead of the ternary operator in the ref
clock getter.
Link: https://lore.kernel.org/linux-spi/20200515104758.6934-1-Sergey.Semin@baikalelectronics.ru/
Changelog v3:
- Use spi_delay_exec() method to wait for the DMA operation completion.
- Explicitly initialize the dw_dma_slave members on stack.
- Discard the dws->fifo_len utilization in the Tx FIFO DMA threshold
setting from the patch where we just add the default burst length
constants.
- Use min() method to calculate the optimal burst values.
- Add new patch which moves the spi-dw.c source file to spi-dw-core.c in
order to preserve the DW APB SSI core driver name.
- Add commas in the debugfs_reg32 structure initializer and after the last
entry of the dw_spi_dbgfs_regs array.
Link: https://lore.kernel.org/linux-spi/20200521012206.14472-1-Sergey.Semin@baikalelectronics.ru
Changelog v4:
- Get back ndelay() method to wait for an SPI transfer completion.
spi_delay_exec() isn't suitable for the atomic context.
Co-developed-by: Georgy Vlasov <Georgy.Vlasov@baikalelectronics.ru>
Signed-off-by: Georgy Vlasov <Georgy.Vlasov@baikalelectronics.ru>
Co-developed-by: Ramil Zaripov <Ramil.Zaripov@baikalelectronics.ru>
Signed-off-by: Ramil Zaripov <Ramil.Zaripov@baikalelectronics.ru>
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Cc: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
Cc: Maxim Kaurkin <Maxim.Kaurkin@baikalelectronics.ru>
Cc: Pavel Parkhomenko <Pavel.Parkhomenko@baikalelectronics.ru>
Cc: Ekaterina Skachko <Ekaterina.Skachko@baikalelectronics.ru>
Cc: Vadim Vlasov <V.Vlasov@baikalelectronics.ru>
Cc: Alexey Kolotnikov <Alexey.Kolotnikov@baikalelectronics.ru>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Paul Burton <paulburton@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: linux-mips@vger.kernel.org
Cc: linux-spi@vger.kernel.org
Cc: devicetree@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Serge Semin (16):
spi: dw: Add Tx/Rx finish wait methods to the MID DMA
spi: dw: Enable interrupts in accordance with DMA xfer mode
spi: dw: Discard static DW DMA slave structures
spi: dw: Discard unused void priv pointer
spi: dw: Discard dma_width member of the dw_spi structure
spi: dw: Parameterize the DMA Rx/Tx burst length
spi: dw: Use DMA max burst to set the request thresholds
spi: dw: Fix Rx-only DMA transfers
spi: dw: Add core suffix to the DW APB SSI core source file
spi: dw: Move Non-DMA code to the DW PCIe-SPI driver
spi: dw: Remove DW DMA code dependency from DW_DMAC_PCI
spi: dw: Add DW SPI DMA/PCI/MMIO dependency on the DW SPI core
spi: dw: Cleanup generic DW DMA code namings
spi: dw: Add DMA support to the DW SPI MMIO driver
spi: dw: Use regset32 DebugFS method to create regdump file
dt-bindings: spi: Convert DW SPI binding to DT schema
.../bindings/spi/snps,dw-apb-ssi.txt | 44 ---
.../bindings/spi/snps,dw-apb-ssi.yaml | 127 +++++++++
.../devicetree/bindings/spi/spi-dw.txt | 24 --
drivers/spi/Kconfig | 15 +-
drivers/spi/Makefile | 5 +-
drivers/spi/{spi-dw.c => spi-dw-core.c} | 88 ++----
drivers/spi/{spi-dw-mid.c => spi-dw-dma.c} | 261 ++++++++++--------
drivers/spi/spi-dw-mmio.c | 4 +
drivers/spi/spi-dw-pci.c | 50 +++-
drivers/spi/spi-dw.h | 33 ++-
10 files changed, 392 insertions(+), 259 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt
create mode 100644 Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml
delete mode 100644 Documentation/devicetree/bindings/spi/spi-dw.txt
rename drivers/spi/{spi-dw.c => spi-dw-core.c} (82%)
rename drivers/spi/{spi-dw-mid.c => spi-dw-dma.c} (55%)
--
2.25.1
Since commit 93d2e4322a ("of: platform: Batch fwnode parsing when
adding all top level devices") was added, the probing of the Tegra
SRAM device has occurred later in the boot sequence, after the BPMP
has been probed. The BPMP uses sections of the SRAM for shared memory
and if the BPMP is probed before the SRAM then it fails to probe and
never tries again. This is causing a boot failure on Tegra186 and
Tegra194. Fix this by allowing the probe of the BPMP to be deferred if
the SRAM is not available yet.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
The RTC found on the MAX77620 PMIC can be used as a wakeup source on
Jetson Nano and TX1, which is useful to wake the system from suspend
at a given time.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
The PMIC wake event can be used to bring the system out of suspend based
on certain events happening on the PMIC (such as an RTC alarm).
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
In file included from ./include/linux/firmware.h:6:0,
from drivers/net/wireless/mediatek/mt76/mt7915/mcu.c:4:
In function ‘__mt7915_mcu_msg_send’,
inlined from ‘mt7915_mcu_send_message’ at drivers/net/wireless/mediatek/mt76/mt7915/mcu.c:370:6:
./include/linux/compiler.h:396:38: error: call to ‘__compiletime_assert_545’ declared with attribute error: BUILD_BUG_ON failed: cmd == MCU_EXT_CMD_EFUSE_ACCESS && mcu_txd->set_query != MCU_Q_QUERY
_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
^
./include/linux/compiler.h:377:4: note: in definition of macro ‘__compiletime_assert’
prefix ## suffix(); \
^~~~~~
./include/linux/compiler.h:396:2: note: in expansion of macro ‘_compiletime_assert’
_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
^~~~~~~~~~~~~~~~~~~
./include/linux/build_bug.h:39:37: note: in expansion of macro ‘compiletime_assert’
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
./include/linux/build_bug.h:50:2: note: in expansion of macro ‘BUILD_BUG_ON_MSG’
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
drivers/net/wireless/mediatek/mt76/mt7915/mcu.c:280:2: note: in expansion of macro ‘BUILD_BUG_ON’
BUILD_BUG_ON(cmd == MCU_EXT_CMD_EFUSE_ACCESS &&
^~~~~~~~~~~~
BUILD_BUG_ON is meaningless here, chang it to WARN_ON.
Fixes: e57b790146 ("mt76: add mac80211 driver for MT7915 PCIe-based chipsets")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200522034533.61716-1-yuehaibing@huawei.com
Let's always set special inode i_op to &ext2_special_inode_operations
regardless of CONFIG_EXT2_FS_XATTR setting. It makes sence to be able to
query extended inode flags (needing ->setattr and ->getattr callbacks)
even when CONFIG_EXT2_FS_XATTR is not set.
Link: https://lore.kernel.org/r/20200522044035.24190-1-cgxu519@mykernel.net
Signed-off-by: Chengguang Xu <cgxu519@mykernel.net>
Signed-off-by: Jan Kara <jack@suse.cz>
In commit a63fc6b75c ("rcu: Upgrade rcu_swap_protected() to
rcu_replace_pointer()") a new helper macro named rcu_replace_pointer() was
introduced to simplify code requiring to switch an rcu pointer to a new
value while extracting the old one.
Use rcu_replace_pointer() where appropriate to make code slimer.
Signed-off-by: Antonio Quartulli <a@unstable.cc>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
The commit 1a33e10e4a ("net: partially revert dynamic lockdep key
changes") reverts the commit ab92d68fc2 ("net: core: add generic lockdep
keys"). But it forgot to also revert the commit 5759af0682 ("batman-adv:
Drop lockdep.h include for soft-interface.c") which depends on the latter.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Per PCIe 5.0 r1.0, Terms and Acronyms, Page 80:
Reserved register fields must be read only and must return 0 (all 0's
for multi-bit fields) when read. Reserved encodings for register and
packet fields must not be used. Any implementation dependence on a
Reserved field value or encoding will result in an implementation that
is not PCI Express-compliant.
This patch ensures reads will return 0 for any bit not in the Read-Only,
Read-Write, or Write-1-to-Clear bitmasks.
Link: https://lore.kernel.org/r/20200511162117.6674-5-jonathan.derrick@intel.com
Signed-off-by: Jon Derrick <jonathan.derrick@intel.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Rob Herring <robh@kernel.org>
The upper 16-bits of Root Control contain the Root Capabilities
register. The code instead describes the Root Status register in the
upper 16-bits, although it uses the correct bit definition for Root
Capabilities, and for Root Status in the next definition.
Fix this comment and add a comment describing the Root Status register.
Link: https://lore.kernel.org/r/20200511162117.6674-3-jonathan.derrick@intel.com
Signed-off-by: Jon Derrick <jonathan.derrick@intel.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Rob Herring <robh@kernel.org>
This patch fixes two bit conflicts in the pci-bridge-emul driver:
1. Bit 3 of Device Status (19 of Device Control) is marked as both
Write-1-to-Clear and Read-Only. It should be Write-1-to-Clear.
The Read-Only and Reserved bitmasks are shifted by 1 bit due to this
error.
2. Bit 12 of Slot Control is marked as both Read-Write and Reserved.
It should be Read-Write.
Link: https://lore.kernel.org/r/20200511162117.6674-2-jonathan.derrick@intel.com
Signed-off-by: Jon Derrick <jonathan.derrick@intel.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Rob Herring <robh@kernel.org>
R-Car PCIe controller has support to map multiple memory regions for
mapping the outbound memory in local system also the controller limits
single allocation for each region (that is, once a chunk is used from the
region it cannot be used to allocate a new one). This features inspires to
add support for handling multiple memory bases in endpoint framework.
With this patch pci_epc_mem_init() initializes address space for endpoint
controller which support single window and pci_epc_multi_mem_init()
initializes multiple windows supported by endpoint controller.
Link: https://lore.kernel.org/r/1588854799-13710-6-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
DMA transfers to and from the SD card stall for 10 seconds and run into
timeout on RTS5260 card readers after ASPM was enabled.
Adding a short msleep after disabling ASPM fixes the issue on several
Dell Precision 7530/7540 systems I tested.
This function is only called when waking up after the chip went into
power-save after not transferring data for a few seconds. The added
msleep does therefore not change anything in data transfer speed or
induce any excessive waiting while data transfers are running, or the
chip is sleeping. Only the transition from sleep to active is affected.
Signed-off-by: Klaus Doth <kdlnx@doth.eu>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/4434eaa7-2ee3-a560-faee-6cee63ebd6d4@doth.eu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
With commit
ce5e3f909f ("efi/printf: Add 64-bit and 8-bit integer support")
arch/x86/boot/compressed/vmlinux may have an undesired .discard.unreachable
section coming from drivers/firmware/efi/libstub/vsprintf.stub.o. That section
gets generated from unreachable() annotations when CONFIG_STACK_VALIDATION is
enabled.
.discard.unreachable contains an R_X86_64_PC32 relocation which will be
warned about by LLD: a non-SHF_ALLOC section (.discard.unreachable) is
not part of the memory image, thus conceptually the distance between a
non-SHF_ALLOC and a SHF_ALLOC is not a constant which can be resolved at
link time:
% ld.lld -m elf_x86_64 -T arch/x86/boot/compressed/vmlinux.lds ... -o arch/x86/boot/compressed/vmlinux
ld.lld: warning: vsprintf.c:(.discard.unreachable+0x0): has non-ABS relocation R_X86_64_PC32 against symbol ''
Reuse the DISCARDS macro which includes .discard.* to drop
.discard.unreachable.
[ bp: Massage and complete the commit message. ]
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Fangrui Song <maskray@google.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Kees Cook <keescook@chromium.org>
Tested-by: Arvind Sankar <nivedita@alum.mit.edu>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
Link: https://lkml.kernel.org/r/20200520182010.242489-1-maskray@google.com
Currently, the driver probes just fine and binds all its resources even
if the physical device is not present.
As the device lacks an identification register, let's at least read the
LSR register to check whether a device at the configured address responds
to the request at all.
Signed-off-by: Daniel Mack <daniel@zonque.org>
Link: https://lore.kernel.org/r/20200521091152.404404-7-daniel@zonque.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When the interrupt line is shared with other devices, the IRQ must be
level-triggered, as only one device can trigger a falling edge. To support
this, try to acquire the IRQ with IRQF_TRIGGER_LOW|IRQF_SHARED first.
Interrupt controllers that lack support for level-triggers will return an
error, in which case the driver will now retry the acqusition with
IRQF_TRIGGER_FALLING, which was also the default before.
Signed-off-by: Daniel Mack <daniel@zonque.org>
Link: https://lore.kernel.org/r/20200521091152.404404-6-daniel@zonque.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
