Age | Commit message (Collapse) | Author |
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Instead of custom approach let's use recently introduced seq_hex_dump()
helper.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Ingo Tuchscherer <ingo.tuchscherer@de.ibm.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Joe Perches <joe@perches.com>
Cc: Tadeusz Struk <tadeusz.struk@intel.com>
Cc: Helge Deller <deller@gmx.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Instead of custom approach let's use recently introduced seq_hex_dump()
helper.
In one case it changes the output from
1111111122222222333333334444444455555555666666667777777788888888
to
11111111 22222222 33333333 44444444 55555555 66666666 77777777 88888888
though it seems it prints same data (by meaning) in both cases. I decide
to choose to use the space divided one.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Helge Deller <deller@gmx.de>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Joe Perches <joe@perches.com>
Cc: Tadeusz Struk <tadeusz.struk@intel.com>
Cc: Ingo Tuchscherer <ingo.tuchscherer@de.ibm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Instead of custom approach let's use recently introduced seq_hex_dump()
helper.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Tadeusz Struk <tadeusz.struk@intel.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Joe Perches <joe@perches.com>
Cc: Helge Deller <deller@gmx.de>
Cc: Ingo Tuchscherer <ingo.tuchscherer@de.ibm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Originally that parameter was always reset to num_online_cpus during
module initialisation, which renders it useless.
The fix is to only set max_queues to num_online_cpus when user has not
provided a value.
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Cc: David Vrabel <david.vrabel@citrix.com>
Reviewed-by: David Vrabel <david.vrabel@citrix.com>
Tested-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Originally that parameter was always reset to num_online_cpus during
module initialisation, which renders it useless.
The fix is to only set max_queues to num_online_cpus when user has not
provided a value.
Reported-by: Johnny Strom <johnny.strom@linuxsolutions.fi>
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Reviewed-by: David Vrabel <david.vrabel@citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=104031
Fixes: 6e85d5ad36a26debc23a9a865c029cbe242b2dc8
Based on the discussion starting at
http://www.spinics.net/lists/netdev/msg342193.html
Tested locally on RTL8168evl/8111evl with various concurrent processes
accessing /proc/net/dev while changing the link state as well as
removing/reloading the r8169 module.
Signed-off-by: Corinna Vinschen <vinschen@redhat.com>
Tested-by: poma <pomidorabelisima@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Just like single link MIPI panels, similarly for dual link panels, pipe
to be configured is based on the DVO port from VBT Block 2. In hardware,
Port A is mapped with Pipe A and Port C is mapped with Pipe B.
This issue got introduced in -
commit 7e9804fdcffc650515c60f524b8b2076ee59e710
Author: Jani Nikula <jani.nikula@intel.com>
Date: Fri Jan 16 14:27:23 2015 +0200
drm/i915/dsi: add drm mipi dsi host support
Cc: stable@vger.kernel.org # v4.0
Signed-off-by: Gaurav K Singh <gaurav.k.singh@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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If one disables DDR DVFS in the BIOS, Punit will apparently ignores
all DDR DVFS request. Currently we assume that DDR DVFS is always
operational, which leads to errors in dmesg when the DDR DVFS requests
time out.
Fix the problem by gently prodding Punit during driver load to find out
whether it will respond to DDR DVFS requests. If the request times out,
we assume that DDR DVFS has been permanenly disabled in the BIOS and
no longer perster the Punit about it.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91629
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Clint Taylor <Clinton.A.Taylor@intel.com>
Tested-by: Clint Taylor <Clinton.A.Taylor@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Fix a wrong logical AND (&&) used for the range check of CSR MMIO.
Spotted nicely by gcc -Wlogical-op flag:
drivers/gpu/drm/i915/intel_csr.c: In function ‘finish_csr_load’:
drivers/gpu/drm/i915/intel_csr.c:353:41: warning: logical ‘and’ of mutually exclusive tests is always false [-Wlogical-op]
Fixes: eb805623d8b1 ('drm/i915/skl: Add support to load SKL CSR firmware.')
Cc: <stable@vger.kernel.org> # v4.2
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Animesh Manna <animesh.manna@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Incorporate fw_ldst_cmd structure change for new firmware and also
update version string for the same
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There exist one issue by below case that case system hang:
ifconfig eth0 down
ifconfig eth0 hw ether 00:10:19:19:81:19
After eth0 down, all fec clocks are gated off. In the .fec_set_mac_address()
function, it will set new MAC address to registers, which causes system hang.
So it needs to add netif status check to avoid registers access when clocks are
gated off. Until eth0 up the new MAC address are wrote into related registers.
V2:
As Lucas Stach's suggestion, add a comment in the code to explain why it needed.
CC: Lucas Stach <l.stach@pengutronix.de>
CC: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix the runtime suspend issues result from the linking change.
Case 1:
a) link down occurs.
b) driver disable tx/rx.
c) autosuspend occurs.
d) hw linking up.
e) device suspends without enabling tx/rx.
f) couldn't wake up when receiving packets.
Case 2:
a) Nway results in linking down.
b) autosuspend occurs.
c) device suspends.
d) device may not wake up when linking up.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Split DRIVER_VERSION into NETNEXT_VERSION and NET_VERSION. Then,
according to the value of DRIVER_VERSION, we could know which
patches are used generally without comparing the source code.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add Microchip LAN88XX phy driver for phylib.
Signed-off-by: Woojung Huh <woojung.huh@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Current check of phydev with IS_ERR(phydev) may make not much sense
because of_phy_connect() returns NULL on failure instead of error value.
Still for checking result of phy_connect() IS_ERR() makes perfect sense.
So let's use combined check IS_ERR_OR_NULL() that covers both cases.
Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: linux-kernel@vger.kernel.org
Cc: stable@vger.kernel.org
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In all cases, mbx->req.arg and mbx->rsp.arg have just been allocated
using kcalloc(), so these six memsets are redundant.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The double memset is a little ugly; using kzalloc avoids it altogether.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Using kzalloc saves a tiny bit on .text.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We save a little .text and get rid of the sizeof(...) style
inconsistency.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://codeaurora.org/quic/kernel/agross-msm into next/late
Qualcomm ARM Based SoC Updates for 4.3-rc2
* Fix errant private access in SMEM
* Fix use of correct remote processor ID in SMD transactions
* Correct SMD fBLOCKREADINTR handling
* tag 'qcom-soc-for-4.3-rc2' of git://codeaurora.org/quic/kernel/agross-msm:
soc: qcom: smd: Correct fBLOCKREADINTR handling
soc: qcom: smd: Use correct remote processor ID
soc: qcom: smem: Fix errant private access
devicetree: soc: Add Qualcomm SMD based RPM DT binding
soc: qcom: Driver for the Qualcomm RPM over SMD
soc: qcom: Add Shared Memory Driver
soc: qcom: Add device tree binding for Shared Memory Device
drivers: qcom: Select QCOM_SCM unconditionally for QCOM_PM
soc: qcom: Add Shared Memory Manager driver
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* drivers/reset:
reset: ath79: Fix missing spin_lock_init
reset: Add (devm_)reset_control_get stub functions
reset: reset-zynq: Adding support for Xilinx Zynq reset controller.
docs: dts: Added documentation for Xilinx Zynq Reset Controller bindings.
MIPS: ath79: Add the reset controller to the AR9132 dtsi
reset: Add a driver for the reset controller on the AR71XX/AR9XXX
devicetree: Add bindings for the ATH79 reset controller
reset: socfpga: Update reset-socfpga to read the altr,modrst-offset property
doc: dt: add documentation for lpc1850-rgu reset driver
reset: add driver for lpc18xx rgu
reset: sti: constify of_device_id array
ARM: STi: DT: Move reset controller constants into common location
MAINTAINERS: add include/dt-bindings/reset path to reset controller entry
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For !CONFIG_OF of_get_property() is defined to always return NULL. Thus
there's no need to protect the call to of_get_property() with #ifdef
CONFIG_OF.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The macro to write 64-bits quantities to the 32-bits register swapped
the value and offsets arguments, we want to preserve the ordering of the
arguments with respect to how writel() is implemented for instance:
value first, offset/base second.
Fixes: 246d7f773c13 ("net: dsa: add Broadcom SF2 switch driver")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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fBLOCKREADINTR is masking the notification from the remote and should
hence be cleared while we're waiting the tx fifo to drain. Also change
the reset state to mask the notification, as send is the only use case
where we're interested in it.
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Andy Gross <agross@codeaurora.org>
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This patch fixes SMEM addressing issues when remote processors need to use
secure SMEM partitions.
Signed-off-by: Andy Gross <agross@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
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This patch corrects private partition item access. Instead of falling back to
global for instances where we have an actual host and remote partition existing,
return the results of the private lookup.
Signed-off-by: Andy Gross <agross@codeaurora.org>
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Qualcomm ARM Based SoC Updates for 4.3
* Add SMEM driver
* Add SMD driver
* Add RPM over SMD driver
* Select QCOM_SCM by default
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PCT_TO_HWP does not take the actual range of pstates exported
by HWP_CAPABILITIES in account, and is broken on most platforms.
Remove the macro and set the min and max pstate for hwp by
determining the range and adjusting by the min and max percent
limits values.
Signed-off-by: Kristen Carlson Accardi <kristen@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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In current code, max_perf_pct might be smaller than min_perf_pct
by improper user input:
$ grep . /sys/devices/system/cpu/intel_pstate/m*_perf_pct
/sys/devices/system/cpu/intel_pstate/max_perf_pct:100
/sys/devices/system/cpu/intel_pstate/min_perf_pct:100
$ echo 80 > /sys/devices/system/cpu/intel_pstate/max_perf_pct
$ grep . /sys/devices/system/cpu/intel_pstate/m*_perf_pct
/sys/devices/system/cpu/intel_pstate/max_perf_pct:80
/sys/devices/system/cpu/intel_pstate/min_perf_pct:100
Fix this problem by 2 steps:
1. Normalize the user input to [min_policy, max_policy].
2. Make sure max_perf_pct>=min_perf_pct, suggested by Seiichi Ikarashi.
Signed-off-by: Chen Yu <yu.c.chen@intel.com>
Acked-by: Kristen Carlson Accardi <kristen@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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There is no point returning suspend_opp, if it is disabled by the core.
As we can't use it at all. Fix it.
Fixes: 4eafbd15b6c8 ("PM / OPP: add dev_pm_opp_get_suspend_opp() helper")
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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/sys/class/watchdog/watchdogn/device/modalias can help to identify the
driver/module for a given watchdog node. However, many wdt devices do not
set their parent and so, we do not see an entry for device in sysfs for
such devices.
This patch fixes parent of watchdog_device so that
/sys/class/watchdog/watchdogn/device is populated.
Exceptions: booke, diag288, octeon, softdog and w83627hf -- They do not
have any parent. Not sure, how we can identify driver for these devices.
Signed-off-by: Pratyush Anand <panand@redhat.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Lubomir Rintel <lkundrak@v3.sk>
Acked-by: Maxime Coquelin <maxime.coquelin@st.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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syscon_node_to_regmap() returns a regmap or an ERR_PTR().
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Commit dca1a4b5ff6e ("clk: at91: keep slow clk enabled to prevent system
hang") added a workaround for the slow clock as it is not properly handled
by its users.
Get and use the slow clock as it is necessary for the at91sam9 watchdog.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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From SAMA5D4, the watchdog timer is upgrated with a new feature,
which is describled as in the datasheet, "WDT_MR can be written
until a LOCKMR command is issued in WDT_CR".
That is to say, as long as the bootstrap and u-boot don't issue
a LOCKMR command, WDT_MR can be written more than once in the driver.
So the SAMA5D4 watchdog driver's implementation is different from
the at91sam9260 watchdog driver implemented in file at91sam9_wdt.c.
The user application open the device file to enable the watchdog timer
hardware, and close to disable it, and set the watchdog timer timeout
by seting WDV and WDD fields of WDT_MR register, and ping the watchdog
by issuing WDRSTT command to WDT_CR register with hard-coded key.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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The MPC5125 processor features a watchdog device that is identical to
the MPC8610 one. So allow to enable the driver for MPC512x kernel
configurations.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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checkpatch warns about ENOSYS, telling "ENOSYS means 'invalid syscall
nr' and nothing else". So use ENODEV instead.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Instead of relying on global static memory dynamically allocate the
needed data. This has the benefit of some saved bytes if the driver is
not in use and making it possible to bind more than one device (even
though this has no known use case).
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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This simplifies the error paths and device unbinding.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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This function is new in v4.2-rc1 and makes a forward declaration of the
match table superfluous which can so be removed.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Since commit ef90174f8210 ("watchdog: watchdog_core: Add watchdog
registration deferral mechanism") there is no need to delay the call to
watchdog_register_device any more. So simplify the registration code
accordingly.
Resetting wd_base to NULL can the also be dropped because nothing
depends on it being NULL to signal probe failure any more. (The matching
wd_base = NULL in .remove was missing, too.)
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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This commit adds support for the watchdog timer found in NXP LPC SoCs
family, which includes LPC18xx/LPC43xx. Other SoCs in that family may
share the same watchdog hardware.
Watchdog driver registers a restart handler that will restart the system
by performing an incorrect feed after ensuring the watchdog is enabled in
reset mode.
As watchdog cannot be disabled in hardware, driver's stop routine will
regularly send a keepalive ping using a timer.
Signed-off-by: Ariel D'Alessandro <ariel@vanguardiasur.com.ar>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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During probe for an always-running watchdog a timer is setup to
constantly ping the watchdog while the device is not open. The gpio to
ping the watchdog is setup to inactive.
For a watchdog with hw_algo = "toggle" this results in a ping depending
on the initial state of the gpio, for hw_algo = "level" no ping is
generated.
Make sure that the first automatic ping is sent immediately and not only
when the timer expires the first time. This makes the machine survive in
case more than half of the watchdog timeout is already elapsed. (Which
is very probable for the chip I'm faced with that has a timeout of one
second.)
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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strncmp(algo, "toggle", 6) doesn't compare the trailing '\0' byte, so
using
hw_algo = "toggleboggle"
is recognized the same way as
hw_algo = "toggle"
. While this doesn't introduce any problems for a device tree that
sticks to the documented settings it's still ugly.
Fix this by using strcmp to only match on "toggle" and "level".
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Commit f48da8b14d04ca87ffcffe68829afd45f926ec6a (xen-netback: fix
unlimited guest Rx internal queue and carrier flapping) introduced a
regression.
The PV frontend in IPXE only places 4 requests on the guest Rx ring.
Since netback required at least (MAX_SKB_FRAGS + 1) slots, IPXE could
not receive any packets.
a) If GSO is not enabled on the VIF, fewer guest Rx slots are required
for the largest possible packet. Calculate the required slots
based on the maximum GSO size or the MTU.
This calculation of the number of required slots relies on
1650d5455bd2 (xen-netback: always fully coalesce guest Rx packets)
which present in 4.0-rc1 and later.
b) Reduce the Rx stall detection to checking for at least one
available Rx request. This is fine since we're predominately
concerned with detecting interfaces which are down and thus have
zero available Rx requests.
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Reviewed-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The watchdog infrastructure checks the maximum timeout for us.
Use it.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Tested on the Nvidia chipset with an SMBus controller PCI ID 0x0AA2
(as shown in the PCI listing during the boot sequence).
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Commit f2147de33470 ("watchdog: sunxi: support parameterized compatible
strings") introduced a regression in sunxi_wdt_start(), by which
the system reset function of the watchdog is not enabled upon
starting the watchdog. As a result, the system is not reset when the
watchdog expires. Fix it.
Fixes: f2147de33470 ("watchdog: sunxi: support parameterized compatible strings")
Signed-off-by: Francesco Lavra <francescolavra.fl@gmail.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Cc: stable@vger.kernel.org
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Without .shutdown(), watchdog might reset the system during power off.
For example, if watchdog's timeout is set to 30s, then it is reset to
zero by mtk_wdt_ping(). During power off, no app will ping watchdog,
but watchdog is still running and may trigger reset.
Signed-off-by: Greta Zhang <greta.zhang@mediatek.com>
Signed-off-by: Eddie Huang <eddie.huang@mediatek.com>
Acked-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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