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fbcon_get_font() is reading out-of-bounds. A malicious user may resize
`vc->vc_font.height` to a large value, causing fbcon_get_font() to
read out of `fontdata`.
fbcon_get_font() handles both built-in and user-provided fonts.
Fortunately, recently we have added FONT_EXTRA_WORDS support for built-in
fonts, so fix it by adding range checks using FNTSIZE().
This patch depends on patch "fbdev, newport_con: Move FONT_EXTRA_WORDS
macros into linux/font.h", and patch "Fonts: Support FONT_EXTRA_WORDS
macros for built-in fonts".
Cc: stable@vger.kernel.org
Reported-and-tested-by: syzbot+29d4ed7f3bdedf2aa2fd@syzkaller.appspotmail.com
Link: https://syzkaller.appspot.com/bug?id=08b8be45afea11888776f897895aef9ad1c3ecfd
Signed-off-by: Peilin Ye <yepeilin.cs@gmail.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/b34544687a1a09d6de630659eb7a773f4953238b.1600953813.git.yepeilin.cs@gmail.com
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drivers/video/console/newport_con.c is borrowing FONT_EXTRA_WORDS macros
from drivers/video/fbdev/core/fbcon.h. To keep things simple, move all
definitions into <linux/font.h>.
Since newport_con now uses four extra words, initialize the fourth word in
newport_set_font() properly.
Cc: stable@vger.kernel.org
Signed-off-by: Peilin Ye <yepeilin.cs@gmail.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/7fb8bc9b0abc676ada6b7ac0e0bd443499357267.1600953813.git.yepeilin.cs@gmail.com
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MDIO reads can happen during PHY probing, and printing an error with
dev_err can result in a large number of error messages during device
probe. On a platform with a serial console this can result in
excessively long boot times in a way that looks like an infinite loop
when multiple busses are present. Since 0f183fd151c (net/fsl: enable
extended scanning in xgmac_mdio) we perform more scanning so there are
potentially more failures.
Reduce the logging level to dev_dbg which is consistent with the
Freescale enetc driver.
Cc: Jeremy Linton <jeremy.linton@arm.com>
Signed-off-by: Jamie Iles <jamie@nuviainc.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The previous implementation failed to account for the "ports" node. The
actual port nodes are not child nodes of the switch node, but a "ports"
node sits in between.
Fixes: edecfa98f602 ("net: dsa: microchip: look for phy-mode in port nodes")
Signed-off-by: Helmut Grohne <helmut.grohne@intenta.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Modify the comment typo: "compliment" -> "complement".
Signed-off-by: Wang Qing <wangqing@vivo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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state->speed holds a value of 10, 100, 1000 or 2500, but
QSYS_TAG_CONFIG_LINK_SPEED expects a value of 0, 1, 2, 3. So convert the
speed to a proper value.
Fixes: de143c0e274b ("net: dsa: felix: Configure Time-Aware Scheduler via taprio offload")
Signed-off-by: Xiaoliang Yang <xiaoliang.yang_1@nxp.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It should also be regarded as an error when hw return status=4 for PF's
setting mac cmd. Only if PF return status=4 to VF should this cmd be
taken special treatment.
Fixes: 7dd29ee12865 ("hinic: add sriov feature support")
Signed-off-by: Luo bin <luobin9@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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1.
Move the lapb_register/lapb_unregister calls into the ndo_open/ndo_stop
functions.
This makes the LAPB protocol start/stop when the network interface
starts/stops. When the network interface is down, the LAPB protocol
shouldn't be running and the LAPB module shoudn't be generating control
frames.
2.
Move netif_start_queue/netif_stop_queue into the ndo_open/ndo_stop
functions.
This makes the TX queue start/stop when the network interface
starts/stops.
(netif_stop_queue was originally in the ndo_stop function. But to make
the code look better, I created a new function to use as ndo_stop, and
made it call the original ndo_stop function. I moved netif_stop_queue
from the original ndo_stop function to the new ndo_stop function.)
Cc: Martin Schiller <ms@dev.tdt.de>
Signed-off-by: Xie He <xie.he.0141@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
drm-misc-fixes for v5.9:
- Single null pointer deref fix for dma-buf.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/4106c21e-f52c-4c05-6cdb-daa743bb8617@linux.intel.com
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git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
drm/i915 fixes for v5.9-rc7:
- Fix selftest reference to stack data out of scope
- Fix GVT null pointer dereference
- Backmerge from Linus' master to fix build
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87zh5fpmha.fsf@intel.com
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This should make it harder for the kernel to corrupt the debug object
descriptor, used to call functions to fixup state and track debug objects,
by moving the structure to read-only memory.
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20200815004027.2046113-3-swboyd@chromium.org
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fix from Ulf Hansson:
"Fix build warning in mmc_spi when CONFIG_HAS_DMA is unset"
* tag 'mmc-v5.9-rc4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: mmc_spi: Fix mmc_spi_dma_alloc() return type for !HAS_DMA
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
- fix a regression at the CEC adapter core
- two uAPI patches (one revert) for changes in this development cycle
* tag 'media/v5.9-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
media: dt-bindings: media: imx274: Convert to json-schema
media: media/v4l2: remove V4L2_FLAG_MEMORY_NON_CONSISTENT flag
media: cec-adap.c: don't use flush_scheduled_work()
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GPIO_U is mapped to the least significant byte of input/output mask, and
the byte in "output" mask should be 0 because GPIO_U is input only. All
the other bits need to be 1 because GPIO_V/W/X support both input and
output modes.
Similarly, GPIO_Y/Z are mapped to the 2 least significant bytes, and the
according bits need to be 1 because GPIO_Y/Z support both input and
output modes.
Fixes: ab4a85534c3e ("gpio: aspeed: Add in ast2600 details to Aspeed driver")
Signed-off-by: Tao Ren <rentao.bupt@gmail.com>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
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After fixing mac80211 to allow larger A-MSDUs in some cases, there have been
reports of performance regressions and packet loss with some clients.
It appears that the issue occurs when the hardware is transmitting A-MSDUs
bigger than 8k. Limit the local VHT MPDU size capability to 7991, matching
the value used for MT7915 as well.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200923052442.24141-1-nbd@nbd.name
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Currently, the IRQ setup for the SGPIO driver enables all interrupts in
dual-edge trigger mode. Since the default handler is handle_bad_irq, any
state change on input GPIOs will trigger bad IRQ warnings.
This change applies sensible IRQ defaults: single-edge trigger, and all
IRQs disabled.
Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au>
Fixes: 7db47faae79b ("gpio: aspeed: Add SGPIO driver")
Reviewed-by: Joel Stanley <joel@jms.id.au>
Acked-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
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Currently, the aspeed-sgpio driver exposes up to 80 GPIO lines,
corresponding to the 80 status bits available in hardware. Each of these
lines can be configured as either an input or an output.
However, each of these GPIOs is actually an input *and* an output; we
actually have 80 inputs plus 80 outputs.
This change expands the maximum number of GPIOs to 160; the lower half
of this range are the input-only GPIOs, the upper half are the outputs.
We fix the GPIO directions to correspond to this mapping.
This also fixes a bug when setting GPIOs - we were reading from the
input register, making it impossible to set more than one output GPIO.
Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au>
Fixes: 7db47faae79b ("gpio: aspeed: Add SGPIO driver")
Reviewed-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
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When pca953x_irq_pending returns false, the pending parameter won't
be set. But pca953x_irq_handler continues using this uninitialized
variable as pending irqs and will cause problem.
Fix the issue by initializing pending to 0.
Fixes: 064c73afe738 ("gpio: pca953x: Synchronize interrupt handler properly")
Signed-off-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
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iProc chips have QSPI controller that does not have the MSPI_REV
offset. Reading from that offset will cause a bus error. Fix it by
having MSPI_REV query disabled in the generic compatible string.
Fixes: 3a01f04d74ef ("spi: bcm-qspi: Handle lack of MSPI_REV offset")
Link: https://lore.kernel.org/linux-arm-kernel/20200909211857.4144718-1-f.fainelli@gmail.com/T/#u
Signed-off-by: Ray Jui <ray.jui@broadcom.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20200910152539.45584-3-ray.jui@broadcom.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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A struct device is a dynamic structure, with reference counting.
"Tricking" the kernel to make a dynamic structure static, by working
around the driver core release detection logic, is not nice.
Because of this, this code has been used as an example for others on
"how to do things", which is just about the worst thing possible to have
happen.
Fix this all up by making the platform device dynamic and providing a
real release function.
Cc: Rajneesh Bhardwaj <rajneesh.bhardwaj@intel.com>
Cc: Vishwanath Somayaji <vishwanath.somayaji@intel.com>
Cc: Darren Hart <dvhart@infradead.org>
Cc: Andy Shevchenko <andy@infradead.org>
Cc: Rajat Jain <rajatja@google.com>
Cc: platform-driver-x86@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Reported-by: Maximilian Luz <luzmaximilian@gmail.com>
Fixes: b02f6a2ef0a1 ("platform/x86: intel_pmc_core: Attach using APCI HID "INT33A1"")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Rajat Jain <rajatja@google.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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supply units
Fix topology configuration for power supply units in structure
'mlxplat_mlxcpld_ext_pwr_items_data', due to hardware change.
Note: no need to backport the fix, since there is no such hardware yet
(equipped with four power) at the filed.
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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AMD_FCH_GPIO_REG_GPIO55_DEVSLP0
Schematics show that the GPIO number is 55 (not 59). Trivial typo.
Signed-off-by: Ed Wildgoose <lists@wildgooses.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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When FUJITSU_LAPTOP is enabled and NEW_LEDS is disabled, it results in the
following Kbuild warning:
WARNING: unmet direct dependencies detected for LEDS_CLASS
Depends on [n]: NEW_LEDS [=n]
Selected by [y]:
- FUJITSU_LAPTOP [=y] && X86 [=y] && X86_PLATFORM_DEVICES [=y] && ACPI [=y] && INPUT [=y] && BACKLIGHT_CLASS_DEVICE [=y] && (ACPI_VIDEO [=n] || ACPI_VIDEO [=n]=n)
The reason is that FUJITSU_LAPTOP selects LEDS_CLASS without depending on
or selecting NEW_LEDS while LEDS_CLASS is subordinate to NEW_LEDS.
Honor the kconfig menu hierarchy to remove kconfig dependency warnings.
Reported-by: Hans de Goede <hdegoede@redhat.com>
Fixes: d89bcc83e709 ("platform/x86: fujitsu-laptop: select LEDS_CLASS")
Signed-off-by: Necip Fazil Yildiran <fazilyildiran@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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When LG_LAPTOP is enabled and NEW_LEDS is disabled, it results in the
following Kbuild warning:
WARNING: unmet direct dependencies detected for LEDS_CLASS
Depends on [n]: NEW_LEDS [=n]
Selected by [y]:
- LG_LAPTOP [=y] && X86 [=y] && X86_PLATFORM_DEVICES [=y] && ACPI [=y] && ACPI_WMI [=y] && INPUT [=y]
The reason is that LG_LAPTOP selects LEDS_CLASS without depending on or
selecting NEW_LEDS while LEDS_CLASS is subordinate to NEW_LEDS.
Honor the kconfig menu hierarchy to remove kconfig dependency warnings.
Fixes: dbf0c5a6b1f8 ("platform/x86: Add LG Gram laptop special features driver")
Signed-off-by: Necip Fazil Yildiran <fazilyildiran@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: mark gross <mgross@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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clang static analysis flags this represenative problem
thinkpad_acpi.c:2523:7: warning: Branch condition evaluates
to a garbage value
if (!oldn->mute ||
^~~~~~~~~~~
In hotkey_kthread() mute is conditionally set by hotkey_read_nvram()
but unconditionally checked by hotkey_compare_and_issue_event().
So the tp_nvram_state variable s[2] needs to be initialized.
Fixes: 01e88f25985d ("ACPI: thinkpad-acpi: add CMOS NVRAM polling for hot keys (v9)")
Signed-off-by: Tom Rix <trix@redhat.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: mark gross <mgross@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Pavilion 11 x360
Commit cfae58ed681c ("platform/x86: intel-vbtn: Only blacklist
SW_TABLET_MODE on the 9 / "Laptop" chasis-type") restored SW_TABLET_MODE
reporting on the HP stream x360 11 series on which it was previously broken
by commit de9647efeaa9 ("platform/x86: intel-vbtn: Only activate tablet
mode switch on 2-in-1's").
It turns out that enabling SW_TABLET_MODE reporting on devices with a
chassis-type of 10 ("Notebook") causes SW_TABLET_MODE to always report 1
at boot on the HP Pavilion 11 x360, which causes libinput to disable the
kbd and touchpad.
The HP Pavilion 11 x360's ACPI VGBS method sets bit 4 instead of bit 6 when
NOT in tablet mode at boot. Inspecting all the DSDTs in my DSDT collection
shows only one other model, the Medion E1239T ever setting bit 4 and it
always sets this together with bit 6.
So lets treat bit 4 as a second bit which when set indicates the device not
being in tablet-mode, as we already do for bit 6.
While at it also prefix all VGBS constant defines with "VGBS_".
Fixes: cfae58ed681c ("platform/x86: intel-vbtn: Only blacklist SW_TABLET_MODE on the 9 / "Laptop" chasis-type")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Mark Gross <mgross@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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The Intel Atom Cherry Trail platform reports a new battery
name (BATC). Tested on ASUS Transformer Mini T103HAF.
Signed-off-by: Marius Iacob <themariusus@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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The WMI INIT method on for some reason turns on the camera LED on these
2-in-1s, without the WMI interface allowing further control over the LED.
To fix this commit b5f7311d3a2e ("platform/x86: asus-nb-wmi: Do not load
on Asus T100TA and T200TA") added a blacklist with these 2 models on it
since the WMI driver did not add any extra functionality to these models.
Recently I've been working on making more 2-in-1 models report their
tablet-mode (SW_TABLET_MODE) to userspace; and I've found that these 2
Asus models report this through WMI. This commit reverts the adding
of the blacklist, so that the Asus WMI driver can be used on these
models to report their tablet-mode. I have another patch fixing the LED
issue in a different manner.
Note this is the second time the we revert the adding of the
asus_nb_wmi_blacklist. It was reverted before in commit:
aab9e7896ec9 ("platform/x86: asus-nb-wmi: Revert "Do not load on Asus
T100TA and T200TA")"
But some how (accidentally re-applying of the patch?) it got re-added
again in commit 3bd12da7f50b ("platform/x86: asus-nb-wmi: Do not load
on Asus T100TA and T200TA"), so now we need to revert it again.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Add touchscreen info for the MPMAN Converter9 2-in-1. This device uses the
same case as the ITworks TW891, but it uses a different digitizer, so it
needs its own firmware.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Commit 653055b9acd4 ("vhost-vdpa: support get/set backend features")
introduces two malfunction backend features ioctls:
1) the ioctls was blindly added to vring ioctl instead of vdpa device
ioctl
2) vhost_set_backend_features() was called when dev mutex has already
been held which will lead a deadlock
This patch fixes the above issues.
Cc: Eli Cohen <elic@nvidia.com>
Reported-by: Zhu Lingshan <lingshan.zhu@intel.com>
Fixes: 653055b9acd4 ("vhost-vdpa: support get/set backend features")
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20200907104343.31141-1-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Fix documentation to match actual function prototypes
"end" used instead of "last". Fix that.
Signed-off-by: Eli Cohen <eli@mellanox.com>
Link: https://lore.kernel.org/r/20200630052925.GA157062@mtl-vdi-166.wap.labs.mlnx
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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When devm_regulator_register() fails, ec should be
freed just like when olpc_ec_cmd() fails.
Fixes: 231c0c216172a ("Platform: OLPC: Add a regulator for the DCON")
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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A 100MHZ 32-bit timer will be wrapped up less than 43s. Although the
kernel maintains a software high 32-bit count in the tick IRQ. But it's
not applicable to the user mode APPs.
Note: The kernel still uses the lower 32 bits of the timer.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200918132237.3552-9-thunder.leizhen@huawei.com
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The ARM SP804 supports a maximum of 32-bit counter, but Hisilicon extends
it to 64-bit. That means, the registers: TimerXload, TimerXValue and
TimerXBGLoad are 64bits, all other registers are the same as those in the
SP804. The driver code can be completely reused except that the register
offset is different.
Use compatible = "hisilicon,sp804" mark as Hisilicon sp804 timer.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200918132237.3552-8-thunder.leizhen@huawei.com
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The ARM SP804 supports a maximum of 32-bit counter, but Hisilicon extends
it to 64-bit. That means, the registers: TimerXload, TimerXValue and
TimerXBGLoad are 64bits, all other registers are the same as those in the
SP804. The driver code can be completely reused except that the register
offset is different.
Currently, we get a timer register address by: add the constant register
offset to the timer base address. e.g. "base + TIMER_CTRL". It can not be
dynamically adjusted at run time.
So create a new structure "sp804_timer" to record the original registers
offset, and create a new structure "sp804_clkevt" to record the
calculated registers address. So the "base + TIMER_CTRL" is changed to
"clkevt->ctrl", this will faster than "base + timer->ctrl".
For example:
struct sp804_timer arm_sp804_timer = {
.ctrl = TIMER_CTRL,
};
struct sp804_clkevt clkevt;
clkevt.ctrl = base + arm_sp804_timer.ctrl.
- writel(0, base + TIMER_CTRL);
+ writel(0, clkevt->ctrl);
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200918132237.3552-7-thunder.leizhen@huawei.com
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Add two local variables: timer1_base and timer2_base in sp804_of_init(),
to avoid repeatedly calculate the base address of timer2, and make it
easier to recognize timer1. Hope to make the next patch looks more clear.
No functional change.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200918132237.3552-6-thunder.leizhen@huawei.com
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writel(0, base + TIMER_CTRL);
... ...
writel(xxx | TIMER_CTRL_PERIODIC, base + TIMER_CTRL);
The timer is just temporarily disabled, and it will be set to periodic
mode later.
The description of the field TimerMode of the register TimerXControl
as shown below:
0 = Timer module is in free-running mode (default)
1 = Timer module is in periodic mode.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200918132237.3552-5-thunder.leizhen@huawei.com
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Delete the leading "__" of __sp804_clocksource_and_sched_clock_init() and
__sp804_clockevents_init(), make it looks a little more comfortable.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200918132237.3552-4-thunder.leizhen@huawei.com
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Since commit 7484c727b636 ("ARM: realview: delete the RealView board
files") and commit 16956fed35fe ("ARM: versatile: switch to DT only
booting and remove legacy code"), there's no one to use the functions
defined or declared in include/clocksource/timer-sp804.h. Delete it.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200918132237.3552-3-thunder.leizhen@huawei.com
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Move the clk_get_sys() part into sp804_get_clock_rate(), cleanup the same
code.
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200918132237.3552-2-thunder.leizhen@huawei.com
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if of_find_device_by_node() succeed, exynos_iommu_of_xlate() doesn't have
a corresponding put_device(). Thus add put_device() to fix the exception
handling for this function implementation.
Fixes: aa759fd376fb ("iommu/exynos: Add callback for initializing devices from device tree")
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://lore.kernel.org/r/20200918011335.909141-1-yukuai3@huawei.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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reqcnt is an u32 pointer but we do copy sizeof(reqcnt) which is the
size of the pointer. This means we only copy 8 byte. Let us copy
the full monty.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Harald Freudenberger <freude@linux.ibm.com>
Cc: stable@vger.kernel.org
Fixes: af4a72276d49 ("s390/zcrypt: Support up to 256 crypto adapters.")
Reviewed-by: Harald Freudenberger <freude@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
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EEE should be only be enabled during stmmac_mac_link_up() when the
link are up and being set up properly. set_eee should only do settings
configuration and disabling the eee.
Without this fix, turning on EEE using ethtool will return
"Operation not supported". This is due to the driver is in a dead loop
waiting for eee to be advertised in the for eee to be activated but the
driver will only configure the EEE advertisement after the eee is
activated.
Ethtool should only return "Operation not supported" if there is no EEE
capbility in the MAC controller.
Fixes: 8a7493e58ad6 ("net: stmmac: Fix a race in EEE enable callback")
Signed-off-by: Voon Weifeng <weifeng.voon@intel.com>
Acked-by: Mark Gross <mgross@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The TX DMA channel data is accessed by the xrx200_start_xmit() and the
xrx200_tx_housekeeping() function from different threads. Make sure the
accesses are synchronized by acquiring the netif_tx_lock() in the
xrx200_tx_housekeeping() function too. This lock is acquired by the
kernel before calling xrx200_start_xmit().
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit 1838d6c62f57836639bd3d83e7855e0ee4f6defc.
This commit moved the ravb_mdio_init() call (and thus the
of_mdiobus_register() call) from the ravb_probe() to the ravb_open()
call. This causes a regression during system resume (s2idle/s2ram), as
new PHY devices cannot be bound while suspended.
During boot, the Micrel PHY is detected like this:
Micrel KSZ9031 Gigabit PHY e6800000.ethernet-ffffffff:00: attached PHY driver [Micrel KSZ9031 Gigabit PHY] (mii_bus:phy_addr=e6800000.ethernet-ffffffff:00, irq=228)
ravb e6800000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off
During system suspend, (A) defer_all_probes is set to true, and (B)
usermodehelper_disabled is set to UMH_DISABLED, to avoid drivers being
probed while suspended.
A. If CONFIG_MODULES=n, phy_device_register() calling device_add()
merely adds the device, but does not probe it yet, as
really_probe() returns early due to defer_all_probes being set:
dpm_resume+0x128/0x4f8
device_resume+0xcc/0x1b0
dpm_run_callback+0x74/0x340
ravb_resume+0x190/0x1b8
ravb_open+0x84/0x770
of_mdiobus_register+0x1e0/0x468
of_mdiobus_register_phy+0x1b8/0x250
of_mdiobus_phy_device_register+0x178/0x1e8
phy_device_register+0x114/0x1b8
device_add+0x3d4/0x798
bus_probe_device+0x98/0xa0
device_initial_probe+0x10/0x18
__device_attach+0xe4/0x140
bus_for_each_drv+0x64/0xc8
__device_attach_driver+0xb8/0xe0
driver_probe_device.part.11+0xc4/0xd8
really_probe+0x32c/0x3b8
Later, phy_attach_direct() notices no PHY driver has been bound,
and falls back to the Generic PHY, leading to degraded operation:
Generic PHY e6800000.ethernet-ffffffff:00: attached PHY driver [Generic PHY] (mii_bus:phy_addr=e6800000.ethernet-ffffffff:00, irq=POLL)
ravb e6800000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off
B. If CONFIG_MODULES=y, request_module() returns early with -EBUSY due
to UMH_DISABLED, and MDIO initialization fails completely:
mdio_bus e6800000.ethernet-ffffffff:00: error -16 loading PHY driver module for ID 0x00221622
ravb e6800000.ethernet eth0: failed to initialize MDIO
PM: dpm_run_callback(): ravb_resume+0x0/0x1b8 returns -16
PM: Device e6800000.ethernet failed to resume: error -16
Ignoring -EBUSY in phy_request_driver_module(), like was done for
-ENOENT in commit 21e194425abd65b5 ("net: phy: fix issue with loading
PHY driver w/o initramfs"), would makes it fall back to the Generic
PHY, like in the CONFIG_MODULES=n case.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: stable@vger.kernel.org
Reviewed-by: Sergei Shtylyov <sergei.shtylyov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- DM core fix for incorrect double bio splitting. Keep "fixing" this
because past attempts didn't fully appreciate the liability relative
to recursive bio splitting. This fix limits DM's bio splitting to a
single method and does _not_ use blk_queue_split() for normal IO.
- DM crypt Documentation updates for features added during 5.9 merge.
* tag 'for-5.9/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm crypt: document encrypted keyring key option
dm crypt: document new no_workqueue flags
dm: fix comment in dm_process_bio()
dm: fix bio splitting and its bio completion order for regular IO
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In the function nvme_get_effects_log() it uses NVME_NSID_ALL which has
namespace scope. The command effect log page is controller specific.
Replace NVME_NSID_ALL with 0x00 which specifies the controller scope
instead of namespace scope.
Fixes: 84fef62d135b ("nvme: check admin passthru command effects")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=209287
Reported-by: Huai-Cheng Kuo <hh81478072@gmail.com>
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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spi_unregister_controller() not only unregisters the controller, but
also frees the controller. This will free the driver data with it, so
we must not access it later dspi_remove().
Solve this by allocating the driver data separately from the SPI
controller.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Link: https://lore.kernel.org/r/20200923131026.20707-1-s.hauer@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
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Currently we wrongly set the mask of value of LDO2/4 both to the mask of
LDO2, and the LDO4 voltage configuration is left untouched. This leads
to conflict when LDO2/4 are both in use.
Fix this issue by setting different vsel_mask to both regulators.
Fixes: db4a555f7c4c ("regulator: axp20x: use defines for masks")
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Link: https://lore.kernel.org/r/20200923005142.147135-1-icenowy@aosc.io
Signed-off-by: Mark Brown <broonie@kernel.org>
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Fix the lapic_timer_needs_broadcast() stub for
ARCH_APICTIMER_STOPS_ON_C3 unset to actually return
a value.
Fixes: aa6b43d57f99 ("ACPI: processor: Use CPUIDLE_FLAG_TIMER_STOP")
Reported-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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