Commit Graph

996251 Commits

Author SHA1 Message Date
Alain Volmat 79c6246ae8
spi: stm32: Fix use-after-free on unbind
stm32_spi_remove() accesses the driver's private data after calling
spi_unregister_master() even though that function releases the last
reference on the spi_master and thereby frees the private data.

Fix by switching over to the new devm_spi_alloc_master() helper which
keeps the private data accessible until the driver has unbound.

Fixes: 8d559a64f0 ("spi: stm32: drop devres version of spi_register_master")

Reported-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Link: https://lore.kernel.org/r/1616052290-10887-1-git-send-email-alain.volmat@foss.st.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-19 12:24:09 +00:00
Fabio Estevam 92bad4a4c7
spi: imx: Improve driver description
"SPI Controller driver" is a too generic description.

Make it i.MX specific instead.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20210316180922.239805-1-festevam@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-17 13:10:49 +00:00
Colin Ian King 9d902c2a9a
spi: Fix spelling mistake "softwade" -> "software"
There is a spelling mistake in a dev_err message. Fix it.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20210317093936.5572-1-colin.king@canonical.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-17 13:10:48 +00:00
Mark Brown 4152c4d0d9
Merge series "spi: Adding support for software nodes" from Heikki Krogerus <heikki.krogerus@linux.intel.com>:
Hi,

The older API used to supply additional device properties for the
devices - so mainly the function device_add_properties() - is going to
be removed. The reason why the API will be removed is because it gives
false impression that the properties are assigned directly to the
devices, which has actually never been the case - the properties have
always been assigned to a software fwnode which was then just directly
linked with the device when the old API was used. By only accepting
device properties instead of complete software nodes, the subsystems
remove any change of taking advantage of the other features the
software nodes have.

The change that is required from the spi subsystem and the drivers is
trivial. Basically only the "properties" member in struct
spi_board_info, which was a pointer to struct property_entry, is
replaced with a pointer to a complete software node.

thanks,

Heikki Krogerus (4):
  spi: Add support for software nodes
  ARM: pxa: icontrol: Constify the software node
  ARM: pxa: zeus: Constify the software node
  spi: Remove support for dangling device properties

 arch/arm/mach-pxa/icontrol.c | 12 ++++++++----
 arch/arm/mach-pxa/zeus.c     |  6 +++++-
 drivers/spi/spi.c            | 21 ++++++---------------
 include/linux/spi/spi.h      |  7 +++----
 4 files changed, 22 insertions(+), 24 deletions(-)

--
2.30.1

base-commit: a38fd87484
2021-03-16 17:55:41 +00:00
Heikki Krogerus df41a5dad5
spi: Remove support for dangling device properties
>From now on only accepting complete software nodes.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20210303152814.35070-5-heikki.krogerus@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-16 13:29:44 +00:00
Heikki Krogerus d4272a7adf
ARM: pxa: zeus: Constify the software node
When device properties are supplied to the devices, in
reality a software fwnode that holds those properties is
created which is then assigned to the device. If the device
properties are constant the software node can also be
constant.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: Daniel Mack <daniel@zonque.org>
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: Robert Jarzmik <robert.jarzmik@free.fr>
Link: https://lore.kernel.org/r/20210303152814.35070-4-heikki.krogerus@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-16 13:29:43 +00:00
Heikki Krogerus 2df0c4a640
ARM: pxa: icontrol: Constify the software node
When device properties are supplied to the devices, in
reality a software fwnode that holds those properties is
created which is then assigned to the device. If the device
properties are constant the software node can also be
constant.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: Daniel Mack <daniel@zonque.org>
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: Robert Jarzmik <robert.jarzmik@free.fr>
Link: https://lore.kernel.org/r/20210303152814.35070-3-heikki.krogerus@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-16 13:29:42 +00:00
Heikki Krogerus 47afc77bbf
spi: Add support for software nodes
Making it possible for the drivers to assign complete
software fwnodes to the devices instead of only the device
properties in those nodes.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20210303152814.35070-2-heikki.krogerus@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-16 13:29:41 +00:00
Mark Brown d11233e0de
Merge series "spi: finalize 'delay_usecs' removal/transition" from Alexandru Ardelean <aardelean@deviqon.com>:
A while back I started the introduction of the 'spi_delay' data type:
  https://lore.kernel.org/linux-spi/20190926105147.7839-1-alexandru.ardelean@analog.com/

Users of the 'delay_usecs' were removed from drivers.

Now it's time to remove the 'delay_usecs' from the SPI subsystem and use
only the 'delay' field.

This changeset adapts all SPI drivers to do without 'delay_usecs'.
Additionally, for greybus we need to adapt it to use the 'delay' in
nano-seconds and convert it to micro-seconds.

Alexandru Ardelean (10):
  spi: spi-axi-spi-engine: remove usage of delay_usecs
  spi: bcm63xx-spi: don't check 'delay_usecs' field
  spi: spi-bcm-qspi: replace 'delay_usecs' with 'delay.value' check
  spi: spi-sh: replace 'delay_usecs' with 'delay.value' in pr_debug
  spi: spi-tegra20-flash: don't check 'delay_usecs' field for spi
    transfer
  staging: greybus: spilib: use 'spi_delay_to_ns' for getting xfer delay
  spi: spi-falcon: remove check for 'delay_usecs'
  spi: fsl-espi: remove usage of 'delay_usecs' field
  spi: core: remove 'delay_usecs' field from spi_transfer
  spi: docs: update info about 'delay_usecs'

 Documentation/spi/spi-summary.rst |  7 +++++--
 drivers/spi/spi-axi-spi-engine.c  | 12 ++++--------
 drivers/spi/spi-bcm-qspi.c        |  2 +-
 drivers/spi/spi-bcm63xx.c         |  2 +-
 drivers/spi/spi-falcon.c          |  2 +-
 drivers/spi/spi-fsl-espi.c        | 17 +++++------------
 drivers/spi/spi-sh.c              |  4 ++--
 drivers/spi/spi-tegra20-sflash.c  |  3 +--
 drivers/spi/spi.c                 |  1 -
 drivers/staging/greybus/spilib.c  |  5 ++++-
 include/linux/spi/spi.h           | 12 ------------
 11 files changed, 24 insertions(+), 43 deletions(-)

--
2.29.2

_______________________________________________
devel mailing list
devel@linuxdriverproject.org
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
2021-03-12 18:23:16 +00:00
Alain Volmat 12ef51b116
spi: stm32: avoid ifdef CONFIG_PM for pm callbacks
Avoid CONFIG_PM preprocessor check for pm suspend/resume
callbacks and identify the functions with __maybe_unused.

Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Link: https://lore.kernel.org/r/1615545329-5496-1-git-send-email-alain.volmat@foss.st.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-12 14:30:53 +00:00
Alexandru Ardelean 05d8a019eb
spi: docs: update info about 'delay_usecs'
The 'delay_usecs' field is no longer present on the spi_transfer struct.
This change updates the doc to mention the usage of the (relatively) new
'delay' field.

Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Link: https://lore.kernel.org/r/20210308145502.1075689-11-aardelean@deviqon.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-12 14:30:51 +00:00
Alexandru Ardelean 3ab1cce553
spi: core: remove 'delay_usecs' field from spi_transfer
The 'delay' field in the spi_transfer struct is meant to replace the
'delay_usecs' field. However some cleanup was required to remove the
uses of 'delay_usecs'. Now that it's been cleaned up, we can remove it
from the kernel tree.

Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Link: https://lore.kernel.org/r/20210308145502.1075689-10-aardelean@deviqon.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-12 14:30:50 +00:00
Alexandru Ardelean 55a47532fa
spi: fsl-espi: remove usage of 'delay_usecs' field
The 'delay_usecs' field is being removed from the spi_transfer struct.
This change removes it from the SPI FSL ESPI driver.

Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Link: https://lore.kernel.org/r/20210308145502.1075689-9-aardelean@deviqon.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-12 14:30:49 +00:00
Alexandru Ardelean a886010c69
spi: spi-falcon: remove check for 'delay_usecs'
The 'delay_usecs' field is being removed from the spi_transfer struct.
This change removes it from the SPI Falcon driver.

Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Link: https://lore.kernel.org/r/20210308145502.1075689-8-aardelean@deviqon.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-12 14:30:48 +00:00
Alexandru Ardelean 33a23423ca
staging: greybus: spilib: use 'spi_delay_to_ns' for getting xfer delay
The intent is the removal of the 'delay_usecs' field from the
spi_transfer struct, as there is a 'delay' field that does the same
thing.

The spi_delay_to_ns() can be used to get the transfer delay. It works by
using the 'delay_usecs' field first (if it is non-zero), and finally
uses the 'delay' field.

Since the 'delay_usecs' field is going away, this change makes use of the
spi_delay_to_ns() function. This also means dividing the return value of
the function by 1000, to convert it to microseconds.
To prevent any potential faults when converting to microseconds and since
the result of spi_delay_to_ns() is int, the delay is being computed in 32
bits and then clamped between 0 & U16_MAX.

Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Rui Miguel Silva <rmfrfs@gmail.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20210308145502.1075689-7-aardelean@deviqon.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-12 14:30:47 +00:00
Alexandru Ardelean 7ca660f821
spi: spi-tegra20-flash: don't check 'delay_usecs' field for spi transfer
The 'delay_usecs' field was handled for backwards compatibility in case
there were some users that still configured SPI delay transfers with
this field.

They should all be removed by now. So we can remove the 'delay_usecs'
handling in this driver.

Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Link: https://lore.kernel.org/r/20210308145502.1075689-6-aardelean@deviqon.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-12 14:30:46 +00:00
Alexandru Ardelean 506d1a1b44
spi: spi-sh: replace 'delay_usecs' with 'delay.value' in pr_debug
The 'delay_usecs' field is going away. The replacement for it is the
'delay' field. So, we should print the 'delay.value' value instead.

Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Link: https://lore.kernel.org/r/20210308145502.1075689-5-aardelean@deviqon.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-12 14:30:45 +00:00
Alexandru Ardelean 66a3aadec4
spi: spi-bcm-qspi: replace 'delay_usecs' with 'delay.value' check
The 'delay_usecs' field is going away. The replacement for it is the
'delay' field. So, we should check for 'delay.value' being non-zero.

Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Link: https://lore.kernel.org/r/20210308145502.1075689-4-aardelean@deviqon.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-12 14:30:44 +00:00
Alexandru Ardelean e7f2d4c6aa
spi: bcm63xx-spi: don't check 'delay_usecs' field
The 'delay_usecs' field was handled for backwards compatibility in case
there were some users that still configured SPI delay transfers with
this field.

They should all be removed by now.

Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Link: https://lore.kernel.org/r/20210308145502.1075689-3-aardelean@deviqon.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-12 14:30:43 +00:00
Alexandru Ardelean 93c9414489
spi: spi-axi-spi-engine: remove usage of delay_usecs
The 'delay_usecs' field was handled for backwards compatibility in case
there were some users that still configured SPI delay transfers with
this field.

They should all be removed by now.

Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Link: https://lore.kernel.org/r/20210308145502.1075689-2-aardelean@deviqon.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-12 14:30:42 +00:00
Jay Fang 31890269c0
spi: cadence-quadspi: Silence shiftTooManyBitsSigned warning
drivers/spi/spi-cadence-quadspi.c:267:18: warning: Shifting signed 32-bit
value by 31 bits is undefined behaviour [shiftTooManyBitsSigned]
    return reg & (1 << CQSPI_REG_CONFIG_IDLE_LSB);
                    ^

Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jay Fang <f.fangjian@huawei.com>
Link: https://lore.kernel.org/r/1614854872-8694-1-git-send-email-f.fangjian@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-10 12:47:01 +00:00
Mark Brown 2c94b1b7dd
Merge series "parport: Introduce module_parport_driver() and use it" from Andy Shevchenko <andriy.shevchenko@linux.intel.com>:
Introduce module_parport_driver() and use it.
Greg or Mark, since we have this series tagged, can somebody of you pick it up?

Changelog v3:
- added tag on patch 1 (Sudip)
- Cc'ed to Greg

Andy Shevchenko (3):
  parport: Introduce module_parport_driver() helper macro
  spi: butterfly: Switch to use module_parport_driver()
  spi: lm70llp: Switch to use module_parport_driver()

 drivers/spi/spi-butterfly.c | 13 +------------
 drivers/spi/spi-lm70llp.c   | 13 +------------
 include/linux/parport.h     | 12 +++++++++++-
 3 files changed, 13 insertions(+), 25 deletions(-)

base-commit: fe07bfda2f

--
2.30.1
2021-03-10 12:47:00 +00:00
Mason Zhang 260864f797
spi: mt6779: update spi document
this patch update spi document for MT6779 SOC.

Signed-off-by: Mason Zhang <Mason.Zhang@mediatek.com>
Link: https://lore.kernel.org/r/20210226110109.30500-1-Mason.Zhang@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-10 12:46:59 +00:00
Kuldeep Singh 32f298481a
spi: spi-nxp-fspi: Add imx8dxl support
Add support for nxp,imx8dxl-fspi, do the bindings document.

Signed-off-by: Kuldeep Singh <kuldeep.singh@nxp.com>
Link: https://lore.kernel.org/r/20210302124936.1972546-3-kuldeep.singh@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-10 12:46:58 +00:00
Kuldeep Singh 82ce7d0e74
spi: spi-nxp-fspi: Implement errata workaround for LS1028A
Errata ERR050568 description says that "Flash access by FlexSPI AHB
command may not work with platform frequency equal to 300 MHz" on
LS1028A.

By default, smaller length reads(equal to RX FIFO size) are done by IP
bus and larger length reads using AHB bus. For adding errata workaround,
use IP bus to read entire flash contents and disable AHB path when
platform frequency is 300Mhz.

Signed-off-by: Kuldeep Singh <kuldeep.singh@nxp.com>
Link: https://lore.kernel.org/r/20210302124936.1972546-5-kuldeep.singh@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-10 12:46:57 +00:00
Han Xu c791e3c31c
spi: spi-nxp-fspi: Add imx8dxl driver support
Add driver support for imx8dxl which support read through IP bus only
and disable AHB bus due to an IC errata. Use the pre-defined quirk
FSPI_QUIRK_USE_IP_ONLY directly in device-type data to disable AHB read.

Signed-off-by: Han Xu <han.xu@nxp.com>
Signed-off-by: Kuldeep Singh <kuldeep.singh@nxp.com>
Link: https://lore.kernel.org/r/20210302124936.1972546-4-kuldeep.singh@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-10 12:46:56 +00:00
Kuldeep Singh 31e92cbfb9
spi: spi-nxp-fspi: Add support for IP read only
Add support for disabling AHB bus and read entire flash contents via IP
bus only. Please note, this enables IP bus read using a quirk which can
be enabled directly in device-type data or in existence of an errata
where AHB bus may need to be disabled.

Signed-off-by: Kuldeep Singh <kuldeep.singh@nxp.com>
Link: https://lore.kernel.org/r/20210302124936.1972546-2-kuldeep.singh@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-10 12:46:55 +00:00
Junlin Yang 87d62d8fa6
spi: cadence-quadspi: add missing of_node_put
Fix OF node leaks by calling of_node_put in
for_each_available_child_of_node when the cycle returns.

Generated by: scripts/coccinelle/iterators/for_each_child.cocci

Signed-off-by: Junlin Yang <yangjunlin@yulong.com>
Link: https://lore.kernel.org/r/20210215110425.1012-1-angkery@163.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-10 12:46:54 +00:00
Tudor Ambarus 120a9e8155
spi: atmel: Drop unused variable
The DMA cap mask is no longer used since:
commit 7758e39069 ("spi: atmel: remove compat for non DT board when requesting dma chan")
Drop it now.

Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Link: https://lore.kernel.org/r/20210218132840.131898-1-tudor.ambarus@microchip.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-10 12:46:53 +00:00
Arnd Bergmann e50989527f
spi: rockchip: avoid objtool warning
Building this file with clang leads to a an unreachable code path
causing a warning from objtool:

drivers/spi/spi-rockchip.o: warning: objtool: rockchip_spi_transfer_one()+0x2e0: sibling call from callable instruction with modified stack frame

Change the unreachable() into an error return that can be
handled if it ever happens, rather than silently crashing
the kernel.

Fixes: 65498c6ae2 ("spi: rockchip: support 4bit words")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Pratyush Yadav <p.yadav@ti.com>
Link: https://lore.kernel.org/r/20210226140109.3477093-1-arnd@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-10 12:46:52 +00:00
Alexander Sverdlin abdc5db39d
spi: omap2-mcspi: Activate pinctrl idle state during runtime suspend
Set the (optional) idle pinctrl state during runtime suspend. This is the
same schema used in PL022 driver and can help with HW designs sharing
the SPI lines for different purposes.

Signed-off-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Link: https://lore.kernel.org/r/20210222023243.491432-1-alexander.sverdlin@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-10 12:46:51 +00:00
Mark Brown d098738eb3
Merge existing fixes from spi/for-5.12 2021-03-10 12:46:50 +00:00
Andy Shevchenko 529bee9ed1
spi: lm70llp: Switch to use module_parport_driver()
Switch to use module_parport_driver() to reduce boilerplate code.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210303091642.23929-4-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-10 12:46:06 +00:00
Andy Shevchenko 8c7e98f74c
spi: butterfly: Switch to use module_parport_driver()
Switch to use module_parport_driver() to reduce boilerplate code.
Note, device_initcall() is a default for module_init().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210303091642.23929-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-10 12:46:05 +00:00
Andy Shevchenko a0521f70ae
parport: Introduce module_parport_driver() helper macro
Introduce module_parport_driver() helper macro to reduce boilerplate
in the existing and new code.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20210303091642.23929-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-10 12:46:04 +00:00
David Bauer ffb597b2bd
spi: ath79: remove spi-master setup and cleanup assignment
This removes the assignment of setup and cleanup functions for the ath79
target. Assigning the setup-method will lead to 'setup_transfer' not
being assigned in spi_bitbang_init. Because of this, performing any
TX/RX operation will lead to a kernel oops.

Also drop the redundant cleanup assignment, as it's also assigned in
spi_bitbang_init.

Signed-off-by: David Bauer <mail@david-bauer.net>
Link: https://lore.kernel.org/r/20210303160837.165771-2-mail@david-bauer.net
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-10 12:25:15 +00:00
David Bauer 19e2132174
spi: ath79: always call chipselect function
spi-bitbang has to call the chipselect function on the ath79 SPI driver
in order to communicate with the SPI slave device, as the ath79 SPI
driver has three dedicated chipselect lines but can also be used with
GPIOs for the CS lines.

Fixes commit 4a07b8bcd5 ("spi: bitbang: Make chipselect callback optional")

Signed-off-by: David Bauer <mail@david-bauer.net>
Link: https://lore.kernel.org/r/20210303160837.165771-1-mail@david-bauer.net
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-10 12:25:13 +00:00
Álvaro Fernández Rojas fb8695e374
spi: bcm63xx-hsspi: fix pm_runtime
The driver sets auto_runtime_pm to true, but it doesn't call
pm_runtime_enable(), which results in "Failed to power device" when PM support
is enabled.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Link: https://lore.kernel.org/r/20210223151851.4110-3-noltari@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-10 12:25:12 +00:00
Álvaro Fernández Rojas 2d13f2ff60
spi: bcm63xx-spi: fix pm_runtime
The driver sets auto_runtime_pm to true, but it doesn't call
pm_runtime_enable(), which results in "Failed to power device" when PM support
is enabled.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Link: https://lore.kernel.org/r/20210223151851.4110-2-noltari@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-10 12:25:10 +00:00
Tudor Ambarus 1d309cd688
spi: spi-ti-qspi: Free DMA resources
Release the RX channel and free the dma coherent memory when
devm_spi_register_master() fails.

Fixes: 5720ec0a6d ("spi: spi-ti-qspi: Add DMA support for QSPI mmap read")
Cc: stable@vger.kernel.org
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Link: https://lore.kernel.org/r/20210218130950.90155-1-tudor.ambarus@microchip.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-10 12:25:09 +00:00
Linus Torvalds a38fd87484 Linux 5.12-rc2 2021-03-05 17:33:41 -08:00
Linus Torvalds f3ed4de6cc RDMA 5.12 first rc pull request
- Fix corner cases in the rxe reference counting cleanup that are causing
   regressions in blktests for SRP
 
 - Two kdoc fixes so W=1 is clean
 
 - Missing error return in error unwind for mlx5
 
 - Wrong lock type nesting in IB CM
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Pull rdma fixes from Jason Gunthorpe:
 "Nothing special here, though Bob's regression fixes for rxe would have
  made it before the rc cycle had there not been such strong winter
  weather!

   - Fix corner cases in the rxe reference counting cleanup that are
     causing regressions in blktests for SRP

   - Two kdoc fixes so W=1 is clean

   - Missing error return in error unwind for mlx5

   - Wrong lock type nesting in IB CM"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
  RDMA/rxe: Fix errant WARN_ONCE in rxe_completer()
  RDMA/rxe: Fix extra deref in rxe_rcv_mcast_pkt()
  RDMA/rxe: Fix missed IB reference counting in loopback
  RDMA/uverbs: Fix kernel-doc warning of _uverbs_alloc
  RDMA/mlx5: Set correct kernel-doc identifier
  IB/mlx5: Add missing error code
  RDMA/rxe: Fix missing kconfig dependency on CRYPTO
  RDMA/cm: Fix IRQ restore in ib_send_cm_sidr_rep
2021-03-05 17:27:59 -08:00
Linus Torvalds de5bd6c54b gcc-plugins fixes for v5.12-rc2
- Fix coding style issues (Jason Yan)
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Merge tag 'gcc-plugins-v5.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull gcc-plugins fixes from Kees Cook:
 "Tiny gcc-plugin fixes for v5.12-rc2. These issues are small but have
  been reported a couple times now by static analyzers, so best to get
  them fixed to reduce the noise. :)

   - Fix coding style issues (Jason Yan)"

* tag 'gcc-plugins-v5.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  gcc-plugins: latent_entropy: remove unneeded semicolon
  gcc-plugins: structleak: remove unneeded variable 'ret'
2021-03-05 17:23:03 -08:00
Linus Torvalds 8b24ef4478 pstore fixes for v5.12-rc2
- Rate-limit ECC warnings (Dmitry Osipenko)
 
 - Fix error path check for NULL (Tetsuo Handa)
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Merge tag 'pstore-v5.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull pstore fixes from Kees Cook:

 - Rate-limit ECC warnings (Dmitry Osipenko)

 - Fix error path check for NULL (Tetsuo Handa)

* tag 'pstore-v5.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  pstore/ram: Rate-limit "uncorrectable error in header" message
  pstore: Fix warning in pstore_kill_sb()
2021-03-05 17:21:25 -08:00
Linus Torvalds 63dcd69d9b Fix DM verity target's optional Forward Error Correction (FEC) for
Reed-Solomon roots that are unaligned to block size.
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Merge tag 'for-5.12/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper fixes from Mike Snitzer:
 "Fix DM verity target's optional Forward Error Correction (FEC) for
  Reed-Solomon roots that are unaligned to block size"

* tag 'for-5.12/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm verity: fix FEC for RS roots unaligned to block size
  dm bufio: subtract the number of initial sectors in dm_bufio_get_device_size
2021-03-05 13:25:23 -08:00
Linus Torvalds 47454caf45 block-5.12-2021-03-05
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Merge tag 'block-5.12-2021-03-05' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:

 - NVMe fixes:
      - more device quirks (Julian Einwag, Zoltán Böszörményi, Pascal
        Terjan)
      - fix a hwmon error return (Daniel Wagner)
      - fix the keep alive timeout initialization (Martin George)
      - ensure the model_number can't be changed on a used subsystem
        (Max Gurtovoy)

 - rsxx missing -EFAULT on copy_to_user() failure (Dan)

 - rsxx remove unused linux.h include (Tian)

 - kill unused RQF_SORTED (Jean)

 - updated outdated BFQ comments (Joseph)

 - revert work-around commit for bd_size_lock, since we removed the
   offending user in this merge window (Damien)

* tag 'block-5.12-2021-03-05' of git://git.kernel.dk/linux-block:
  nvmet: model_number must be immutable once set
  nvme-fabrics: fix kato initialization
  nvme-hwmon: Return error code when registration fails
  nvme-pci: add quirks for Lexar 256GB SSD
  nvme-pci: mark Kingston SKC2000 as not supporting the deepest power state
  nvme-pci: mark Seagate Nytro XM1440 as QUIRK_NO_NS_DESC_LIST.
  rsxx: Return -EFAULT if copy_to_user() fails
  block/bfq: update comments and default value in docs for fifo_expire
  rsxx: remove unused including <linux/version.h>
  block: Drop leftover references to RQF_SORTED
  block: revert "block: fix bd_size_lock use"
2021-03-05 12:59:37 -08:00
Linus Torvalds f292e8730a io_uring-5.12-2021-03-05
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Merge tag 'io_uring-5.12-2021-03-05' of git://git.kernel.dk/linux-block

Pull io_uring fixes from Jens Axboe:
 "A bit of a mix between fallout from the worker change, cleanups and
  reductions now possible from that change, and fixes in general. In
  detail:

   - Fully serialize manager and worker creation, fixing races due to
     that.

   - Clean up some naming that had gone stale.

   - SQPOLL fixes.

   - Fix race condition around task_work rework that went into this
     merge window.

   - Implement unshare. Used for when the original task does unshare(2)
     or setuid/seteuid and friends, drops the original workers and forks
     new ones.

   - Drop the only remaining piece of state shuffling we had left, which
     was cred. Move it into issue instead, and we can drop all of that
     code too.

   - Kill f_op->flush() usage. That was such a nasty hack that we had
     out of necessity, we no longer need it.

   - Following from ->flush() removal, we can also drop various bits of
     ctx state related to SQPOLL and cancelations.

   - Fix an issue with IOPOLL retry, which originally was fallout from a
     filemap change (removing iov_iter_revert()), but uncovered an issue
     with iovec re-import too late.

   - Fix an issue with system suspend.

   - Use xchg() for fallback work, instead of cmpxchg().

   - Properly destroy io-wq on exec.

   - Add create_io_thread() core helper, and use that in io-wq and
     io_uring. This allows us to remove various silly completion events
     related to thread setup.

   - A few error handling fixes.

  This should be the grunt of fixes necessary for the new workers, next
  week should be quieter. We've got a pending series from Pavel on
  cancelations, and how tasks and rings are indexed. Outside of that,
  should just be minor fixes. Even with these fixes, we're still killing
  a net ~80 lines"

* tag 'io_uring-5.12-2021-03-05' of git://git.kernel.dk/linux-block: (41 commits)
  io_uring: don't restrict issue_flags for io_openat
  io_uring: make SQPOLL thread parking saner
  io-wq: kill hashed waitqueue before manager exits
  io_uring: clear IOCB_WAITQ for non -EIOCBQUEUED return
  io_uring: don't keep looping for more events if we can't flush overflow
  io_uring: move to using create_io_thread()
  kernel: provide create_io_thread() helper
  io_uring: reliably cancel linked timeouts
  io_uring: cancel-match based on flags
  io-wq: ensure all pending work is canceled on exit
  io_uring: ensure that threads freeze on suspend
  io_uring: remove extra in_idle wake up
  io_uring: inline __io_queue_async_work()
  io_uring: inline io_req_clean_work()
  io_uring: choose right tctx->io_wq for try cancel
  io_uring: fix -EAGAIN retry with IOPOLL
  io-wq: fix error path leak of buffered write hash map
  io_uring: remove sqo_task
  io_uring: kill sqo_dead and sqo submission halting
  io_uring: ignore double poll add on the same waitqueue head
  ...
2021-03-05 12:44:43 -08:00
Linus Torvalds 6d47254c06 Power management fixes for 5.12-rc2
- Make the runtime PM core code avoid attempting to suspend
    supplier devices before updating the PM-runtime status of
    a consumer to "suspended" (Rafael Wysocki).
 
  - Fix DTPM (Dynamic Thermal Power Management) root node
    initialization and label that feature as EXPERIMENTAL in
    Kconfig (Daniel Lezcano).
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Merge tag 'pm-5.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fixes from Rafael Wysocki:
 "These fix the usage of device links in the runtime PM core code and
  update the DTPM (Dynamic Thermal Power Management) feature added
  recently.

  Specifics:

   - Make the runtime PM core code avoid attempting to suspend supplier
     devices before updating the PM-runtime status of a consumer to
     'suspended' (Rafael Wysocki).

   - Fix DTPM (Dynamic Thermal Power Management) root node
     initialization and label that feature as EXPERIMENTAL in Kconfig
     (Daniel Lezcano)"

* tag 'pm-5.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  powercap/drivers/dtpm: Add the experimental label to the option description
  powercap/drivers/dtpm: Fix root node initialization
  PM: runtime: Update device status before letting suppliers suspend
2021-03-05 12:36:33 -08:00
Linus Torvalds ea6be461cb ACPI fix for 5.12-rc2
Make the empty stubs of some helper functions used when CONFIG_ACPI
 is not set actually match those functions (Andy Shevchenko).
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Merge tag 'acpi-5.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI fix from Rafael Wysocki:
 "Make the empty stubs of some helper functions used when CONFIG_ACPI is
  not set actually match those functions (Andy Shevchenko)"

* tag 'acpi-5.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI: bus: Constify is_acpi_node() and friends (part 2)
2021-03-05 12:32:17 -08:00
Linus Torvalds fc2c8d0af0 IOMMU Fixes for Linux v5.12-rc1
Including:
 
 	- Fix for a sleeping-while-atomic issue in the AMD IOMMU code
 
 	- Disabling lazy IOTLB flush for untrusted devices in the Intel VT-d driver
 
 	- Fix status code definitions for Intel VT-d
 
 	- Fix IO Page Fault issue in Tegra IOMMU driver
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Merge tag 'iommu-fixes-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull iommu fixes from Joerg Roedel:

 - Fix a sleeping-while-atomic issue in the AMD IOMMU code

 - Disable lazy IOTLB flush for untrusted devices in the Intel VT-d
   driver

 - Fix status code definitions for Intel VT-d

 - Fix IO Page Fault issue in Tegra IOMMU driver

* tag 'iommu-fixes-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  iommu/vt-d: Fix status code for Allocate/Free PASID command
  iommu: Don't use lazy flush for untrusted device
  iommu/tegra-smmu: Fix mc errors on tegra124-nyan
  iommu/amd: Fix sleeping in atomic in increase_address_space()
2021-03-05 12:26:24 -08:00