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Both i.MX6 and i.MX8 reference manuals list 0xBF8 as SNVS_HPVIDR1
(chapters 57.9 and 6.4.5 respectively).
Without this, trying to read the revision number results in 0 on
all revisions, causing the i.MX6 quirk to apply on all platforms,
which in turn causes the driver to synthesise power button release
events instead of passing the real one as they happen even on
platforms like i.MX8 where that's not wanted.
Fixes: 1a26c920717a ("Input: snvs_pwrkey - send key events for i.MX6 S, DL and Q")
Tested-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Signed-off-by: Sebastian Krzyszkowiak <sebastian.krzyszkowiak@puri.sm>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/4599101.ElGaqSPkdT@pliszka
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Since intertouch was enabled for the T14 and P14s AMD G1 laptops there
have been a number of reports of touchpads not working well.
Debugging this with Synaptics they noted that intertouch should not be
enabled as SMBUS host notify is not available on these laptops.
Reverting the previous commit (e4ce4d3a939d97bea045eafa13ad1195695f91ce)
to restore functionality back to what it was.
Note - we are working with Synaptics to see if there is a better
solution, but nothing is confirmed as yet.
Signed-off-by: Mark Pearson <markpearson@lenovo.com>
Link: https://lore.kernel.org/r/20220920193936.8709-1-markpearson@lenovo.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Each call to device/fwnode_get_named_child_node() must be matched
with a call to fwnode_handle_put() once the corresponding node is
no longer in use. This ensures a reference count remains balanced
in the case of dynamic device tree support.
Currently, the driver never calls fwnode_handle_put(). This patch
adds the missing calls.
Fixes: ce1cb0eec85b ("input: keyboard: Add support for Azoteq IQS620A/621/622/624/625")
Signed-off-by: Jeff LaBundy <jeff@labundy.com>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Link: https://lore.kernel.org/r/YyYbYvlkq5cy55dc@nixie71
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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devm_gpiod_get_optional() may return ERR_PTR(-EPROBE_DEFER),
add a minus sign to fix it.
Fixes: 6ccb1d8f78bd ("Input: add MELFAS MIP4 Touchscreen driver")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20220924030715.1653538-1-yangyingliang@huawei.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
Pull ATA fixes from Damien Le Moal:
"Three late patches to fix problems discovered recently:
- Add a horkage to disable link power management by default for the
Pioneer BDR-207M and BDR-205 DVD drives (from Niklas)
- Two patches to fix setting the maximum queue depth of libsas owned
ATA devices (from me)"
* tag 'ata-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
ata: libata-sata: Fix device queue depth control
ata: libata-scsi: Fix initialization of device queue depth
libata: add ATA_HORKAGE_NOLPM for Pioneer BDR-207M and BDR-205
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The function __ata_change_queue_depth() uses the helper
ata_scsi_find_dev() to get the ata_device structure of a scsi device and
set that device maximum queue depth. However, when the ata device is
managed by libsas, ata_scsi_find_dev() returns NULL, turning
__ata_change_queue_depth() into a nop, which prevents the user from
setting the maximum queue depth of ATA devices used with libsas based
HBAs.
Fix this by renaming __ata_change_queue_depth() to
ata_change_queue_depth() and adding a pointer to the ata_device
structure of the target device as argument. This pointer is provided by
ata_scsi_change_queue_depth() using ata_scsi_find_dev() in the case of
a libata managed device and by sas_change_queue_depth() using
sas_to_ata_dev() in the case of a libsas managed ata device.
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Tested-by: John Garry <john.garry@huawei.com>
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For SATA devices supporting NCQ, drivers using libsas first initialize a
scsi device queue depth based on the controller and device capabilities,
leading to the scsi device queue_depth field being 32 (ATA maximum queue
depth) for most setup. However, if libata was loaded using the
force=[ID]]noncq argument, the default queue depth should be set to 1 to
reflect the fact that queuable commands will never be used. This is
consistent with manually setting a device queue depth to 1 through sysfs
as that disables NCQ use for the device.
Fix ata_scsi_dev_config() to honor the noncq parameter by sertting the
device queue depth to 1 for devices that do not have the ATA_DFLAG_NCQ
flag set.
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Tested-by: John Garry <john.garry@huawei.com>
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Commit 1527f69204fe ("ata: ahci: Add Green Sardine vendor ID as
board_ahci_mobile") added an explicit entry for AMD Green Sardine
AHCI controller using the board_ahci_mobile configuration (this
configuration has later been renamed to board_ahci_low_power).
The board_ahci_low_power configuration enables support for low power
modes.
This explicit entry takes precedence over the generic AHCI controller
entry, which does not enable support for low power modes.
Therefore, when commit 1527f69204fe ("ata: ahci: Add Green Sardine
vendor ID as board_ahci_mobile") was backported to stable kernels,
it make some Pioneer optical drives, which was working perfectly fine
before the commit was backported, stop working.
The real problem is that the Pioneer optical drives do not handle low
power modes correctly. If these optical drives would have been tested
on another AHCI controller using the board_ahci_low_power configuration,
this issue would have been detected earlier.
Unfortunately, the board_ahci_low_power configuration is only used in
less than 15% of the total AHCI controller entries, so many devices
have never been tested with an AHCI controller with low power modes.
Fixes: 1527f69204fe ("ata: ahci: Add Green Sardine vendor ID as board_ahci_mobile")
Cc: stable@vger.kernel.org
Reported-by: Jaap Berkhout <j.j.berkhout@staalenberk.nl>
Signed-off-by: Niklas Cassel <niklas.cassel@wdc.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull more irqchip fixes from Borislav Petkov:
"More irqchip fixes for 6.0 from Marc Zyngier. Stuff got left hanging
due to the whole Plumbers and vacations commotion.
- A couple of configuration fixes for the recently merged Loongarch
drivers
- A fix to avoid dynamic allocation of a cpumask which was causing
issues with PREEMPT_RT and the GICv3 ITS
- A tightening of an error check in the stm32 exti driver"
* tag 'irq_urgent_for_v6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/loongson-pch-lpc: Add dependence on LoongArch
irqchip: Select downstream irqchip drivers for LoongArch CPU
irqchip/gic-v3-its: Remove cpumask_var_t allocation
irqchip/stm32-exti: Remove check on always false condition
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The loongson-pch-lpc driver may be selected in a random
configuration, but it is only supported for LoongArch, So,
the dependence on LoongArch is added for it to avoid compile
error for a random configuration of other architetures.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Jianmin Lv <lvjianmin@loongson.cn>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220916071926.28368-1-lvjianmin@loongson.cn
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LoongArch irqchips have a fixed hierarchy which currently can't be
described by ACPI tables, so upstream irqchip drivers call downstream
irqchip drivers' initialization directly. As a result, the top level
(CPU-level) irqchip driver should explicitly select downstream drivers
to avoid build errors.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220808085319.3350111-1-chenhuacai@loongson.cn
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Running a PREEMPT_RT kernel based on v5.19-rc3-rt4 on an Ampere Altra
triggers:
[ 22.616229] BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:46
[ 22.616239] in_atomic(): 1, irqs_disabled(): 128, non_block: 0, pid: 1884, name: kworker/80:1
[ 22.616243] preempt_count: 3, expected: 0
[ 22.616244] RCU nest depth: 0, expected: 0
[...]
[ 22.616250] hardirqs last enabled at (33): _raw_spin_unlock_irq (/home/piegon01/linux/./arch/arm64/include/asm/irqflags.h:35)
[ 22.616273] hardirqs last disabled at (34): __schedule (/home/piegon01/linux/kernel/sched/core.c:6432 (discriminator 1))
[ 22.616283] softirqs last enabled at (0): copy_process (/home/piegon01/linux/./include/linux/lockdep.h:191)
[ 22.616297] softirqs last disabled at (0): 0x0
[ 22.616305] Preemption disabled at:
[ 22.616307] __setup_irq (/home/piegon01/linux/kernel/irq/manage.c:1612)
[ 22.616322] CPU: 80 PID: 1884 Comm: kworker/80:1 Tainted: G W [...]
[ 22.616328] Hardware name: WIWYNN Mt.Jade Server System B81.03001.0005/Mt.Jade Motherboard, BIOS 1.08.20220218 (SCP: 1.08.20220218) 2022/02/18
[ 22.616333] Workqueue: events work_for_cpu_fn
[ 22.616344] Call trace:
[...]
[ 22.616403] alloc_cpumask_var_node (/home/piegon01/linux/lib/cpumask.c:115)
[ 22.616414] alloc_cpumask_var (/home/piegon01/linux/lib/cpumask.c:147)
[ 22.616417] its_select_cpu (/home/piegon01/linux/drivers/irqchip/irq-gic-v3-its.c:1580)
[ 22.616428] its_set_affinity (/home/piegon01/linux/drivers/irqchip/irq-gic-v3-its.c:1659)
[ 22.616431] msi_domain_set_affinity (/home/piegon01/linux/kernel/irq/msi.c:501)
[ 22.616440] irq_do_set_affinity (/home/piegon01/linux/kernel/irq/manage.c:276)
[ 22.616443] irq_setup_affinity (/home/piegon01/linux/kernel/irq/manage.c:633)
[ 22.616447] irq_startup (/home/piegon01/linux/kernel/irq/chip.c:280)
[ 22.616453] __setup_irq (/home/piegon01/linux/kernel/irq/manage.c:1777)
Follow the pattern established in commit cba4235e6031e ("genirq: Remove
mask argument from setup_affinity()") and co to overcome this issue by
defining a static struct cpumask and protecting it by a raw spinlock.
Since its_select_cpu() can be executed with IRQs enabled or disabled,
enforce that the cpumask computation is done with interrupts disabled.
Signed-off-by: Pierre Gondois <pierre.gondois@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220912141857.1391343-1-pierre.gondois@arm.com
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The field drv_data is assigned during driver's probe, where it's
already checked to be not NULL.
Remove the always false check '!host_data->drv_data'.
This fixes a warning "variable dereferenced before check" detected
by '0-DAY CI Kernel Test Service'.
Fixes: c297493336b7 ("irqchip/stm32-exti: Simplify irq description table")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/lkml/202208131739.gJvcs9ls-lkp@intel.com/
Signed-off-by: Antonio Borneo <antonio.borneo@foss.st.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220817125758.5975-1-antonio.borneo@foss.st.com
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
"A couple of MMC fixes. This time there is also a fix for the ARM SCMI
firmware driver, which has been acked by Sudeep Holla, the maintainer.
MMC core:
- Terminate infinite loop in SD-UHS voltage switch
MMC host:
- hsq: Fix kernel crash in the recovery path
- moxart: Fix bus width configurations
- sdhci: Fix kernel panic for cqe irq
ARM_SCMI:
- Fixup clock management by reverting 'firmware: arm_scmi: Add clock
management to the SCMI power domain'"
* tag 'mmc-v6.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: hsq: Fix data stomping during mmc recovery
Revert "firmware: arm_scmi: Add clock management to the SCMI power domain"
mmc: core: Terminate infinite loop in SD-UHS voltage switch
mmc: moxart: fix 4-bit bus width and remove 8-bit bus width
mmc: sdhci: Fix host->cmd is null
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The block device uses multiple queues to access emmc. There will be up to 3
requests in the hsq of the host. The current code will check whether there
is a request doing recovery before entering the queue, but it will not check
whether there is a request when the lock is issued. The request is in recovery
mode. If there is a request in recovery, then a read and write request is
initiated at this time, and the conflict between the request and the recovery
request will cause the data to be trampled.
Signed-off-by: Wenchao Chen <wenchao.chen@unisoc.com>
Fixes: 511ce378e16f ("mmc: Add MMC host software queue support")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20220916090506.10662-1-wenchao.chen666@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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This reverts commit a3b884cef873 ("firmware: arm_scmi: Add clock management
to the SCMI power domain").
Using the GENPD_FLAG_PM_CLK tells genpd to gate/ungate the consumer
device's clock(s) during runtime suspend/resume through the PM clock API.
More precisely, in genpd_runtime_resume() the clock(s) for the consumer
device would become ungated prior to the driver-level ->runtime_resume()
callbacks gets invoked.
This behaviour isn't a good fit for all platforms/drivers. For example, a
driver may need to make some preparations of its device in its
->runtime_resume() callback, like calling clk_set_rate() before the
clock(s) should be ungated. In these cases, it's easier to let the clock(s)
to be managed solely by the driver, rather than at the PM domain level.
For these reasons, let's drop the use GENPD_FLAG_PM_CLK for the SCMI PM
domain, as to enable it to be more easily adopted across ARM platforms.
Fixes: a3b884cef873 ("firmware: arm_scmi: Add clock management to the SCMI power domain")
Cc: Nicolas Pitre <npitre@baylibre.com>
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Tested-by: Peng Fan <peng.fan@nxp.com>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Link: https://lore.kernel.org/r/20220919122033.86126-1-ulf.hansson@linaro.org
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This loop intends to retry a max of 10 times, with some implicit
termination based on the SD_{R,}OCR_S18A bit. Unfortunately, the
termination condition depends on the value reported by the SD card
(*rocr), which may or may not correctly reflect what we asked it to do.
Needless to say, it's not wise to rely on the card doing what we expect;
we should at least terminate the loop regardless. So, check both the
input and output values, so we ensure we will terminate regardless of
the SD card behavior.
Note that SDIO learned a similar retry loop in commit 0797e5f1453b
("mmc: core: Fixup signal voltage switch"), but that used the 'ocr'
result, and so the current pre-terminating condition looks like:
rocr & ocr & R4_18V_PRESENT
(i.e., it doesn't have the same bug.)
This addresses a number of crash reports seen on ChromeOS that look
like the following:
... // lots of repeated: ...
<4>[13142.846061] mmc1: Skipping voltage switch
<4>[13143.406087] mmc1: Skipping voltage switch
<4>[13143.964724] mmc1: Skipping voltage switch
<4>[13144.526089] mmc1: Skipping voltage switch
<4>[13145.086088] mmc1: Skipping voltage switch
<4>[13145.645941] mmc1: Skipping voltage switch
<3>[13146.153969] INFO: task halt:30352 blocked for more than 122 seconds.
...
Fixes: f2119df6b764 ("mmc: sd: add support for signal voltage switch procedure")
Cc: <stable@vger.kernel.org>
Signed-off-by: Brian Norris <briannorris@chromium.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20220914014010.2076169-1-briannorris@chromium.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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According to the datasheet [1] at page 377, 4-bit bus width is turned on by
bit 2 of the Bus Width Register. Thus the current bitmask is wrong: define
BUS_WIDTH_4 BIT(1)
BIT(1) does not work but BIT(2) works. This has been verified on real MOXA
hardware with FTSDC010 controller revision 1_6_0.
The corrected value of BUS_WIDTH_4 mask collides with: define BUS_WIDTH_8
BIT(2). Additionally, 8-bit bus width mode isn't supported according to the
datasheet, so let's remove the corresponding code.
[1]
https://bitbucket.org/Kasreyn/mkrom-uc7112lx/src/master/documents/FIC8120_DS_v1.2.pdf
Fixes: 1b66e94e6b99 ("mmc: moxart: Add MOXA ART SD/MMC driver")
Signed-off-by: Sergei Antonov <saproj@gmail.com>
Cc: Jonas Jensen <jonas.jensen@gmail.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20220907205753.1577434-1-saproj@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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When data crc occurs, the kernel will panic because host->cmd is null.
Signed-off-by: Wenchao Chen <wenchao.chen@unisoc.com>
Fixes: efe8f5c9b5e1 ("mmc: sdhci: Capture eMMC and SD card errors")
Cc: stable@vger.kernel.org
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20220907035847.13783-1-wenchao.chen666@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"This should be the last set of bugfixes in the SoC tree:
- Two fixes for Arm integrator, dealing with a regression caused by
invalid DT properties combined with a change in dma address
translation, and missing device_type annotations on the PCI bus
- Fixes for drivers/reset/, addressing bugs in i.MX8MP, Sparx5 and
NPCM8XX platforms
- Bjorn Andersson's email address changes in the MAINTAINERS file
- Multiple minor fixes to Qualcomm dts files, and a change to the
remoteproc firmware filename that did not match the actual path in
the linux-firmware package
- Minor code fixes for the Allwinner/sunxi SRAM driver, and the
broadcom STB Bus Interface Unit driver
- A build fix for the sunplus sp7021 platform
- Two dts fixes for TI OMAP family SoCs, addressing an extraneous
usb4 device node and an incorrect DMA handle"
* tag 'soc-fixes-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
ARM: dts: integrator: Fix DMA ranges
ARM: dts: integrator: Tag PCI host with device_type
ARM: sunplus: fix serial console kconfig and build problems
reset: npcm: fix iprst2 and iprst4 setting
arm64: dts: qcom: sm8350: fix UFS PHY serdes size
soc: bcm: brcmstb: biuctrl: Avoid double of_node_put()
arm64: dts: qcom: sc8280xp-x13s: Update firmware location
soc: sunxi: sram: Fix debugfs info for A64 SRAM C
soc: sunxi: sram: Fix probe function ordering issues
soc: sunxi: sram: Prevent the driver from being unbound
soc: sunxi: sram: Actually claim SRAM regions
ARM: dts: am5748: keep usb4_tm disabled
reset: microchip-sparx5: issue a reset on startup
reset: imx7: Fix the iMX8MP PCIe PHY PERST support
MAINTAINERS: Update Bjorn's email address
arm64: dts: qcom: sc7280: move USB wakeup-source property
arm64: dts: qcom: thinkpad-x13s: Fix firmware location
arm64: dts: qcom: sm8150: Fix fastrpc iommu values
ARM: dts: am33xx: Fix MMCHS0 dma properties
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arm/fixes
Reset controller fixes for v6.0
Fix the i.MX8MP PCIe PHY PERST bit polarity, issue the Sparx5 "switch"
reset (which turned out to be a rather more global reset) early on
startup, stubbing out the reset controller driver, and fix the NPCM8XX
USB reset sequence by setting IPSRST4 bits in the correct register.
* tag 'reset-fixes-for-v6.0' of git://git.pengutronix.de/pza/linux:
reset: npcm: fix iprst2 and iprst4 setting
reset: microchip-sparx5: issue a reset on startup
reset: imx7: Fix the iMX8MP PCIe PHY PERST support
Link: https://lore.kernel.org/r/20220923143519.41735-1-p.zabel@pengutronix.de
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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In NPCM8XX USB reset sequence, iprst2 register was set with iprst4 value
and iprst4 register wasn´t set.
This fix sets the correct IP reset values in iprst2 and iprst4 registers
in NPCM8XX USB reset sequence.
Fixes: fc5d2a2f4aa5 ("reset: npcm: Add NPCM8XX support")
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/20220922153856.23326-1-tmaimon77@gmail.com
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Originally this was used in by the switch core driver to issue a reset.
But it turns out, this isn't just a switch core reset but instead it
will reset almost the complete SoC.
Instead of adding almost all devices of the SoC a shared reset line,
issue the reset once early on startup. Keep the reset controller for
backwards compatibility, but make the actual reset a noop.
Suggested-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Michael Walle <michael@walle.cc>
Tested-by: Steen Hegelund <Steen.Hegelund@microchip.com> on Sparx5
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/20220826115607.1148489-2-michael@walle.cc
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On i.MX7/iMX8MM/iMX8MQ, the initialized default value of PERST bit(BIT3)
of SRC_PCIEPHY_RCR is 1b'1.
But i.MX8MP has one inversed default value 1b'0 of PERST bit.
And the PERST bit should be kept 1b'1 after power and clocks are stable.
So fix the i.MX8MP PCIe PHY PERST support here.
Fixes: e08672c03981 ("reset: imx7: Add support for i.MX8MP SoC")
Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Tested-by: Marek Vasut <marex@denx.de>
Tested-by: Richard Leitner <richard.leitner@skidata.com>
Tested-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/1661845564-11373-5-git-send-email-hongxing.zhu@nxp.com
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https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into arm/fixes
sunxi SRAM controller fixes for
- loading/unloading
- claiming regions
- debugfs info
* tag 'sunxi-drivers-fixes-for-6.0-1' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
soc: sunxi: sram: Fix debugfs info for A64 SRAM C
soc: sunxi: sram: Fix probe function ordering issues
soc: sunxi: sram: Prevent the driver from being unbound
soc: sunxi: sram: Actually claim SRAM regions
Link: https://lore.kernel.org/r/YyeN0m78+m9nNEah@kista.localdomain
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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The labels were backward with respect to the register values. The SRAM
is mapped to the CPU when the register value is 1.
Fixes: 5e4fb6429761 ("drivers: soc: sunxi: add support for A64 and its SRAM C")
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://lore.kernel.org/r/20220815041248.53268-7-samuel@sholland.org
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Errors from debugfs are intended to be non-fatal, and should not prevent
the driver from probing.
Since debugfs file creation is treated as infallible, move it below the
parts of the probe function that can fail. This prevents an error
elsewhere in the probe function from causing the file to leak. Do the
same for the call to of_platform_populate().
Finally, checkpatch suggests an octal literal for the file permissions.
Fixes: 4af34b572a85 ("drivers: soc: sunxi: Introduce SoC driver to map SRAMs")
Fixes: 5828729bebbb ("soc: sunxi: export a regmap for EMAC clock reg on A64")
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://lore.kernel.org/r/20220815041248.53268-6-samuel@sholland.org
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This driver exports a regmap tied to the platform device (as opposed to
a syscon, which exports a regmap tied to the OF node). Because of this,
the driver can never be unbound, as that would destroy the regmap. Use
builtin_platform_driver_probe() to enforce this limitation.
Fixes: 5828729bebbb ("soc: sunxi: export a regmap for EMAC clock reg on A64")
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://lore.kernel.org/r/20220815041248.53268-5-samuel@sholland.org
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sunxi_sram_claim() checks the sram_desc->claimed flag before updating
the register, with the intent that only one device can claim a region.
However, this was ineffective because the flag was never set.
Fixes: 4af34b572a85 ("drivers: soc: sunxi: Introduce SoC driver to map SRAMs")
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://lore.kernel.org/r/20220815041248.53268-4-samuel@sholland.org
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https://github.com/Broadcom/stblinux into arm/fixes
This pull request contains Broadcom SoCs driver fixes for 6.0, please
pull the following:
- Florian fixes a double of_node_put() in the Broadcom STB Bus Interface
Unit driver
* tag 'arm-soc/for-6.0/drivers-fixes-v2' of https://github.com/Broadcom/stblinux:
soc: bcm: brcmstb: biuctrl: Avoid double of_node_put()
Link: https://lore.kernel.org/r/20220918205038.3017866-1-f.fainelli@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Commit 9a073d4fbb18 ("soc: bcm: brcmstb: biuctrl: Add missing
of_node_put()") added what was thought to be a missing of_node_put() but
now causes a double of_node_put() to be called, once from
setup_hifcpubiuctrl_regs() and another time from brcmstb_biuctrl_init().
Ensure that setup_hifcpubiuctrl_regs() is not calling of_node_put()
since it is not obvious it does that on one of its parameters.
Fixes: 9a073d4fbb18 ("soc: bcm: brcmstb: biuctrl: Add missing of_node_put()")
Reported-by: Jim Quinlan <jim2101024@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Change-Id: I1c405c36c2f06c8b8c0f684143b7a52db7e809f0
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Dave Hansen:
- A performance fix for recent large AMD systems that avoids an ancient
cpu idle hardware workaround
- A new Intel model number. Folks like these upstream as soon as
possible so that each developer doing feature development doesn't
need to carry their own #define
- SGX fixes for a userspace crash and a rare kernel warning
* tag 'x86_urgent_for_v6.0-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
ACPI: processor idle: Practically limit "Dummy wait" workaround to old Intel systems
x86/sgx: Handle VA page allocation failure for EAUG on PF.
x86/sgx: Do not fail on incomplete sanitization on premature stop of ksgxd
x86/cpu: Add CPU model numbers for Meteor Lake
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systems
Old, circa 2002 chipsets have a bug: they don't go idle when they are
supposed to. So, a workaround was added to slow the CPU down and
ensure that the CPU waits a bit for the chipset to actually go idle.
This workaround is ancient and has been in place in some form since
the original kernel ACPI implementation.
But, this workaround is very painful on modern systems. The "inl()"
can take thousands of cycles (see Link: for some more detailed
numbers and some fun kernel archaeology).
First and foremost, modern systems should not be using this code.
Typical Intel systems have not used it in over a decade because it is
horribly inferior to MWAIT-based idle.
Despite this, people do seem to be tripping over this workaround on
AMD system today.
Limit the "dummy wait" workaround to Intel systems. Keep Modern AMD
systems from tripping over the workaround. Remotely modern Intel
systems use intel_idle instead of this code and will, in practice,
remain unaffected by the dummy wait.
Reported-by: K Prateek Nayak <kprateek.nayak@amd.com>
Suggested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Tested-by: K Prateek Nayak <kprateek.nayak@amd.com>
Link: https://lore.kernel.org/all/20220921063638.2489-1-kprateek.nayak@amd.com/
Link: https://lkml.kernel.org/r/20220922184745.3252932-1-dave.hansen@intel.com
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull NVDIMM and DAX fixes from Dan Williams:
"A recently discovered one-line fix for devdax that further addresses a
v5.5 regression, and (a bit embarrassing) a small batch of fixes that
have been sitting in my fixes tree for weeks.
The older fixes have soaked in linux-next during that time and address
an fsdax infinite loop and some other minor fixups.
- Fix a infinite loop bug in fsdax
- Fix memory-type detection for devdax (EINJ regression)
- Small cleanups"
* tag 'dax-and-nvdimm-fixes-v6.0-final' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
devdax: Fix soft-reservation memory description
fsdax: Fix infinite loop in dax_iomap_rw()
nvdimm/namespace: drop nested variable in create_namespace_pmem()
ndtest: Cleanup all of blk namespace specific code
pmem: fix a name collision
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Pick up another "Soft Reservation" fix for v6.0-final on top of some
straggling nvdimm fixes that missed v5.19.
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The "hmem" platform-devices that are created to represent the
platform-advertised "Soft Reserved" memory ranges end up inserting a
resource that causes the iomem_resource tree to look like this:
340000000-43fffffff : hmem.0
340000000-43fffffff : Soft Reserved
340000000-43fffffff : dax0.0
This is because insert_resource() reparents ranges when they completely
intersect an existing range.
This matters because code that uses region_intersects() to scan for a
given IORES_DESC will only check that top-level 'hmem.0' resource and
not the 'Soft Reserved' descendant.
So, to support EINJ (via einj_error_inject()) to inject errors into
memory hosted by a dax-device, be sure to describe the memory as
IORES_DESC_SOFT_RESERVED. This is a follow-on to:
commit b13a3e5fd40b ("ACPI: APEI: Fix _EINJ vs EFI_MEMORY_SP")
...that fixed EINJ support for "Soft Reserved" ranges in the first
instance.
Fixes: 262b45ae3ab4 ("x86/efi: EFI soft reservation to E820 enumeration")
Reported-by: Ricardo Sandoval Torres <ricardo.sandoval.torres@intel.com>
Tested-by: Ricardo Sandoval Torres <ricardo.sandoval.torres@intel.com>
Cc: <stable@vger.kernel.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Omar Avelar <omar.avelar@intel.com>
Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Mark Gross <markgross@kernel.org>
Link: https://lore.kernel.org/r/166397075670.389916.7435722208896316387.stgit@dwillia2-xfh.jf.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Kernel build bot reported:
namespace_devs.c:1991:10: warning: Local variable 'uuid' shadows outer variable [shadowVariable]
Refactor create_namespace_pmem() by dropping a nested version of
the same variable.
Fixes: d1c6e08e7503 ("libnvdimm/labels: Add uuid helpers")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220607164937.33967-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Kernel test robot detected name collision when compiled on 'um'
architecture. Rename "to_phys()" to "pmem_to_phys()".
>> drivers/nvdimm/pmem.c:48:20: error: conflicting types for 'to_phys'; have 'phys_addr_t(struct pmem_device *, phys_addr_t)' {aka 'long long unsigned int(struct pmem_device *, long long unsigned int)'}
48 | static phys_addr_t to_phys(struct pmem_device *pmem, phys_addr_t offset)
| ^~~~~~~
In file included from arch/um/include/asm/page.h:98,
from arch/um/include/asm/thread_info.h:15,
from include/linux/thread_info.h:60,
from include/asm-generic/preempt.h:5,
from ./arch/um/include/generated/asm/preempt.h:1,
arch/um/include/shared/mem.h:12:29: note: previous definition of 'to_phys' with type 'long unsigned int(void *)'
12 | static inline unsigned long to_phys(void *virt)
| ^~~~~~~
vim +48 drivers/nvdimm/pmem.c
47
> 48 static phys_addr_t to_phys(struct pmem_device *pmem, phys_addr_t offset)
49 {
50 return pmem->phys_addr + offset;
51 }
52
Fixes: 9409c9b6709e (pmem: refactor pmem_clear_poison())
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Jane Chu <jane.chu@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20220630182802.3250449-1-jane.chu@oracle.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"I2C driver bugfixes for mlxbf and imx, a few documentation fixes after
the rework this cycle, and one hardening for the i2c-mux core"
* tag 'i2c-for-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: mux: harden i2c_mux_alloc() against integer overflows
i2c: mlxbf: Fix frequency calculation
i2c: mlxbf: prevent stack overflow in mlxbf_i2c_smbus_start_transaction()
i2c: mlxbf: incorrect base address passed during io write
Documentation: i2c: fix references to other documents
MAINTAINERS: remove Nehal Shah from AMD MP2 I2C DRIVER
i2c: imx: If pm_runtime_get_sync() returned 1 device access is possible
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A couple years back we went through the kernel an automatically
converted size calculations to use struct_size() instead. The
struct_size() calculation is protected against integer overflows.
However it does not make sense to use the result from struct_size()
for additional math operations as that would negate any safeness.
Fixes: 1f3b69b6b939 ("i2c: mux: Use struct_size() in devm_kzalloc()")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Peter Rosin <peda@axentia.se>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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The i2c-mlxbf.c driver is currently broken because there is a bug
in the calculation of the frequency. core_f, core_r and core_od
are components read from hardware registers and are used to
compute the frequency used to compute different timing parameters.
The shifting mechanism used to get core_f, core_r and core_od is
wrong. Use FIELD_GET to mask and shift the bitfields properly.
Fixes: b5b5b32081cd206b (i2c: mlxbf: I2C SMBus driver for Mellanox BlueField SoC)
Reviewed-by: Khalil Blaiech <kblaiech@nvidia.com>
Signed-off-by: Asmaa Mnebhi <asmaa@nvidia.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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memcpy() is called in a loop while 'operation->length' upper bound
is not checked and 'data_idx' also increments.
Fixes: b5b5b32081cd206b ("i2c: mlxbf: I2C SMBus driver for Mellanox BlueField SoC")
Reviewed-by: Khalil Blaiech <kblaiech@nvidia.com>
Signed-off-by: Asmaa Mnebhi <asmaa@nvidia.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Correct the base address used during io write.
This bug had no impact over the overall functionality of the read and write
transactions. MLXBF_I2C_CAUSE_OR_CLEAR=0x18 so writing to (smbus->io + 0x18)
instead of (mst_cause->ioi + 0x18) actually writes to the sc_low_timeout
register which just sets the timeout value before a read/write aborts.
Fixes: b5b5b32081cd206b (i2c: mlxbf: I2C SMBus driver for Mellanox BlueField SoC)
Reviewed-by: Khalil Blaiech <kblaiech@nvidia.com>
Signed-off-by: Asmaa Mnebhi <asmaa@nvidia.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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pm_runtime_get_sync() returning 1 also means the device is powered. So
resetting the chip registers in .remove() is possible and should be
done.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: d98bdd3a5b50 ("i2c: imx: Make sure to unregister adapter on remove()")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fix from Vasily Gorbik:
- Fix potential hangs in VFIO AP driver
* tag 's390-6.0-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/vfio-ap: bypass unnecessary processing of AP resources
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It is not necessary to go through the process of validation, linking of
queues to mdev and vice versa and filtering the APQNs assigned to the
matrix mdev to build an AP configuration for a guest if an adapter or
domain being assigned is already assigned to the matrix mdev. Likewise, it
is not necessary to proceed through the process the unassignment of an
adapter, domain or control domain if it is not assigned to the matrix mdev.
Since it is not necessary to process assignment of a resource already
assigned or process unassignment of a resource that is been assigned,
this patch will bypass all assignment/unassignment operations for an
adapter, domain or control domain under these circumstances.
Not only is assignment of a duplicate adapter or domain unnecessary, it
will also cause a hang situation when removing the matrix mdev to which it is
assigned. The reason is because the same vfio_ap_queue objects with an
APQN containing the APID of the adapter or APQI of the domain being
assigned will get added multiple times to the hashtable that holds them.
This results in the pprev and next pointers of the hlist_node (mdev_qnode
field in the vfio_ap_queue object) pointing to the queue object itself
resulting in an interminable loop when the mdev is removed and the queue
table is iterated to reset the queues.
Cc: stable@vger.kernel.org
Fixes: 11cb2419fafe ("s390/vfio-ap: manage link between queue struct and matrix mdev")
Reported-by: Matthew Rosato <mjrosato@linux.ibm.com>
Signed-off-by: Tony Krowiak <akrowiak@linux.ibm.com>
Reviewed-by: Halil Pasic <pasic@linux.ibm.com>
Signed-off-by: Halil Pasic <pasic@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix an uninitialized variable usage in the operating performance
points code and add missing DT bindings for it.
Specifics:
- Fix uninitialized variable usage in dev_pm_opp_config_clks_simple()
(Christophe JAILLET)
- Add missing OPP DT properties (Rob Herring)"
* tag 'pm-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
dt-bindings: opp: Add missing (unevaluated|additional)Properties on child nodes
OPP: Fix an un-initialized variable usage
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git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm
Pull OPP fixes for 6.0 from Viresh Kumar:
"- Fix un-initialized variable usage (Christophe JAILLET).
- Add missing DT properties (Rob Herring)."
* tag 'opp-fixes-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm:
dt-bindings: opp: Add missing (unevaluated|additional)Properties on child nodes
OPP: Fix an un-initialized variable usage
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smatch complains that 'ret' may be returned un-initialized.
Explicitly return 0 if we reach the end of the function (should
'opp_table->clk_count' be 0).
Fixes: 8174a3a613af ("OPP: Provide a simple implementation to configure multiple clocks")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are three tiny driver fixes for 6.0-rc7. They include:
- phy driver reset bugfix
- fpga memleak bugfix
- counter irq config bugfix
The first two have been in linux-next for a while, the last one has
only been added to my tree in the past few days, but was in linux-next
under a different commit id. I couldn't pull directly from the counter
tree due to some gpg key propagation issue, so I took the commit
directly from email instead"
* tag 'char-misc-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
counter: 104-quad-8: Fix skipped IRQ lines during events configuration
fpga: m10bmc-sec: Fix possible memory leak of flash_buf
phy: marvell: phy-mvebu-a3700-comphy: Remove broken reset support
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