- 21 Jun, 2021 34 commits
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Flavio Suligoi authored
Fix the following typo: "recommeded" --> "recommended" "firmare" --> "firmware" Signed-off-by:
Flavio Suligoi <f.suligoi@asem.it> Reviewed-by:
Mika Westerberg <mika.westerberg@linux.intel.com> Reviewed-by:
Guenter Roeck <linux@roeck-us.net> Link: https://lore.kernel.org/r/20210216141727.641224-1-f.suligoi@asem.itSigned-off-by:
Wim Van Sebroeck <wim@linux-watchdog.org>
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Álvaro Fernández Rojas authored
bcm7038_wdt can be used on bmips big endian (bcm63xx) devices too. Signed-off-by:
Álvaro Fernández Rojas <noltari@gmail.com> Reviewed-by:
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Bhaskar Chowdhury authored
s/parmeter/parameter/ Signed-off-by:
Bhaskar Chowdhury <unixbhaskar@gmail.com> Acked-by:
Randy Dunlap <rdunlap@infradead.org> Reviewed-by:
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Srinivas Neeli authored
"%p" is not printing the pointer value. In driver, printing pointer value is not useful so avoiding print. iSigned-off-by:
Srinivas Neeli <srinivas.neeli@xilinx.com> Reviewed-by:
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Srinivas Neeli authored
clk is an optional property, if clock not defined, calling clk_prepare_enable() and devm_add_action_or_reset() are not useful. so calling these two apis only when clock is present. Addresses-Coverity:"FORWARD_NULL" Signed-off-by:
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Srinivas Goud authored
This patch removes pr_info in stop function and adds dev_dbg() in start/stop function to display device specific debug info. Signed-off-by:
Srinivas Goud <srinivas.goud@xilinx.com> Signed-off-by:
Michal Simek <michal.simek@xilinx.com> Signed-off-by:
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Srinivas Goud authored
Used BIT macro instead of mask value. Signed-off-by:
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Srinivas Goud authored
Based on checkpatch every spinlock should be documented. The patch is fixing this issue: ./scripts/checkpatch.pl --strict -f drivers/watchdog/of_xilinx_wdt.c CHECK: spinlock_t definition without comment + spinlock_t spinlock; Signed-off-by:
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Tian Tao authored
Use the device_get_match_data() helper instead of open coding. Signed-off-by:
Tian Tao <tiantao6@hisilicon.com> Reviewed-by:
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Wong Vee Khee authored
s/thershold/threshold Cc: Vijayakannan Ayyathurai <vijayakannan.ayyathurai@intel.com> Signed-off-by:
Wong Vee Khee <vee.khee.wong@linux.intel.com> Reviewed-by:
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Jiapeng Chong authored
Fix the following clang warning: drivers/watchdog/it87_wdt.c:155:20: warning: unused function 'superio_outw' [-Wunused-function]. Reported-by:
Abaci Robot <abaci@linux.alibaba.com> Signed-off-by:
Jiapeng Chong <jiapeng.chong@linux.alibaba.com> Reviewed-by:
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Tao Ren authored
Fix hardware timeout calculation in aspeed_wdt_set_timeout function to ensure the reload value does not exceed the hardware limit. Fixes: efa859f7 ("watchdog: Add Aspeed watchdog driver") Reported-by:
Amithash Prasad <amithash@fb.com> Signed-off-by:
Tao Ren <rentao.bupt@gmail.com> Reviewed-by:
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Randy Dunlap authored
Change a non-working ftp: URL to https:. Wrap long lines earlier. Spell "IP" with capital letters. Change "it`s" to "it's". The backtick (grave accent) is not an apostrophe. Signed-off-by:
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Juerg Haefliger authored
Convert sprintf() in sysfs "show" functions to sysfs_emit() and sysfs_emit_at() in order to check for buffer overruns in sysfs outputs. Signed-off-by:
Juerg Haefliger <juergh@canonical.com> Reviewed-by:
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Zou Wei authored
This driver's remove path calls del_timer(). However, that function does not wait until the timer handler finishes. This means that the timer handler may still be running after the driver's remove function has finished, which would result in a use-after-free. Fix by calling del_timer_sync(), which makes sure the timer handler has finished, and unable to re-schedule itself. Reported-by:
Hulk Robot <hulkci@huawei.com> Signed-off-by:
Zou Wei <zou_wei@huawei.com> Reviewed-by:
Vladimir Zapolskiy <vz@mleia.com> Link: https://lore.kernel.org/r/1620802676-19701-1-git-send-email-zou_wei@huawei.comSigned-off-by:
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Zou Wei authored
This module's remove path calls del_timer(). However, that function does not wait until the timer handler finishes. This means that the timer handler may still be running after the driver's remove function has finished, which would result in a use-after-free. Fix by calling del_timer_sync(), which makes sure the timer handler has finished, and unable to re-schedule itself. Reported-by:
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Juerg Haefliger authored
The valid range for the 'timeout' value is useful information so expose the min and max timeout values via sysfs. Signed-off-by:
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Andy Shevchenko authored
Kernel doc validation script is not happy CHECK .../sp805_wdt.c .../sp805_wdt.c:73: warning: Function parameter or member 'rate' not described in 'sp805_wdt' Fix this by describing rate parameter. While at it, mark clk one optional. Fixes: dc0e4a3b ("watchdog: sp805: Add clock-frequency property") Cc: Srinath Mannam <srinath.mannam@broadcom.com> Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by:
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Andy Shevchenko authored
Replace open coded variants of devm_clk_get_optional(). While at it, drop unneeded OF and ACPI dependency as the APIs in use are provider agnostic. Cc: Srinath Mannam <srinath.mannam@broadcom.com> Signed-off-by:
Srinath Mannam <srinath.mannam@broadcom.com> Link: https://lore.kernel.org/r/20210517174456.22050-1-andriy.shevchenko@linux.intel.comSigned-off-by:
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Jerry Hoemann authored
New hardware with new PCI ID info. Signed-off-by:
Jerry Hoemann <jerry.hoemann@hpe.com> Reviewed-by:
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Jiapeng Chong authored
Clean up the following includecheck warning: ./drivers/watchdog/dw_wdt.c: linux/kernel.h is included more than once. Reported-by:
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Zou Wei authored
This module's remove path calls del_timer(). However, that function does not wait until the timer handler finishes. This means that the timer handler may still be running after the driver's remove function has finished, which would result in a use-after-free. Fix by calling del_timer_sync(), which makes sure the timer handler has finished, and unable to re-schedule itself. Reported-by:
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Robin Gong authored
Since watchdog_ping_work is not freezable so that it maybe scheduled before imx2_wdt_resume where watchdog clock enabled, hence, kernel will hang in imx2_wdt_ping without clock, and then watchdog reset happen. Add clk_is_on to prevent the above case by ignoring ping until watchdog driver resume back indeed. Signed-off-by:
Robin Gong <yibin.gong@nxp.com> Reviewed-by:
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Randy Dunlap authored
The mtx-1_wdt driver does not need the au1000.h header file. Instead, the header file causes build errors, so drop it. This change fixes multiple build errors, all in au1000.h. E.g.: In file included from ../drivers/watchdog/mtx-1_wdt.c:44: ../arch/mips/include/asm/mach-au1x00/au1000.h: In function 'alchemy_rdsys': ../arch/mips/include/asm/mach-au1x00/au1000.h:603:36: error: implicit declaration of function 'KSEG1ADDR'; did you mean 'CKSEG1ADDR'? [-Werror=implicit-function-declaration] 603 | void __iomem *b = (void __iomem *)KSEG1ADDR(AU1000_SYS_PHYS_ADDR); ../arch/mips/include/asm/mach-au1x00/au1000.h:603:20: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 603 | void __iomem *b = (void __iomem *)KSEG1ADDR(AU1000_SYS_PHYS_ADDR); Fixes: da2a68b3 ("watchdog: Enable COMPILE_TEST where possible") Signed-off-by:
Florian Fainelli <f.fainelli@gmail.com> Link: https://lore.kernel.org/r/20210516211703.25349-1-rdunlap@infradead.orgSigned-off-by:
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Shaokun Zhang authored
For Armv8.6, The frequency of CNTFRQ_EL0 is standardized to a frequency of 1GHz, so Arm Base System Architecture 1.0[1] has introduced watchdog revision 1 that increases the length the watchdog offset register to 48 bit, while other operation of the watchdog remains the same. The driver can determine which version of the watchdog is implemented through the watchdog interface identification register (W_IID). If the version is 0x1, the watchdog offset register will be 48 bit, otherwise it will be 32 bit. [1] https://developer.arm.com/documentation/den0094/latest Cc: Wim Van Sebroeck <wim@linux-watchdog.org> Cc: Guenter Roeck <linux@roeck-us.net> Cc: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> Cc: Al Stone <al.stone@linaro.org> Cc: Jianchao Hu <hujianchao@hisilicon.com> Cc: Huiqiang Wang <wanghuiqiang@huawei.com> Signed-off-by:
Shaokun Zhang <zhangshaokun@hisilicon.com> Reviewed-by:
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Shruthi Sanil authored
Corrected typos, aligned the tabs and added new lines wherever required for better readability Reviewed-by:
Kris Pan <kris.pan@intel.com> Signed-off-by:
Shruthi Sanil <shruthi.sanil@intel.com> Link: https://lore.kernel.org/r/20210517174953.19404-10-shruthi.sanil@intel.comSigned-off-by:
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Shruthi Sanil authored
Updated the WDT SMC handler MACRO name to make it clear that its a ARM SMC handler that helps in clearing the WDT interrupt bit. Reviewed-by:
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Shruthi Sanil authored
In the TO ISR removed updating the Timeout value because its not serving any purpose as the timer would have already expired and the system would be rebooting. Fixes: fa0f8d51 ("watchdog: Add watchdog driver for Intel Keembay Soc") Reviewed-by:
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Shruthi Sanil authored
Introduced MACRO's for WDT enable and disable values for better readability Reviewed-by:
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Shruthi Sanil authored
Removed set timeout from the start WDT function. There is a function defined to set the timeout. Hence no need to set the timeout again in start function as the timeout would have been already updated before calling the start/enable. Fixes: fa0f8d51 ("watchdog: Add watchdog driver for Intel Keembay Soc") Reviewed-by:
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Shruthi Sanil authored
During the interrupt service routine of the TimeOut interrupt and the ThresHold interrupt, the respective interrupt clear bit have to be cleared and not both. Fixes: fa0f8d51 ("watchdog: Add watchdog driver for Intel Keembay Soc") Reviewed-by:
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Shruthi Sanil authored
The pretimeout has to be updated to zero during the ISR of the ThresHold interrupt. Else the TH interrupt would be triggerred for every tick until the timeout. Fixes: fa0f8d51 ("watchdog: Add watchdog driver for Intel Keembay Soc") Reviewed-by:
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Shruthi Sanil authored
The pre-timeout value to be programmed to the register has to be calculated and updated for every change in the timeout value. Else the threshold time wouldn't be calculated to its corresponding timeout. Fixes: fa0f8d51 ("watchdog: Add watchdog driver for Intel Keembay Soc") Reviewed-by:
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Shruthi Sanil authored
The pretimeout register has a default reset value. Hence when a smaller WDT timeout is set which would be lesser than the default pretimeout, the system behaves abnormally, starts triggering the pretimeout interrupt even when the WDT is not enabled, most of the times leading to system crash. Hence an update in the pre-timeout is also required for the default timeout that is being configured. Fixes: fa0f8d51 ("watchdog: Add watchdog driver for Intel Keembay Soc") Reviewed-by:
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- 23 May, 2021 6 commits
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull perf fixes from Thomas Gleixner: "Two perf fixes: - Do not check the LBR_TOS MSR when setting up unrelated LBR MSRs as this can cause malfunction when TOS is not supported - Allocate the LBR XSAVE buffers along with the DS buffers upfront because allocating them when adding an event can deadlock" * tag 'perf-urgent-2021-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/x86/lbr: Remove cpuc->lbr_xsave allocation from atomic context perf/x86: Avoid touching LBR_TOS MSR for Arch LBR -
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull locking fixes from Thomas Gleixner: "Two locking fixes: - Invoke the lockdep tracepoints in the correct place so the ordering is correct again - Don't leave the mutex WAITER bit stale when the last waiter is dropping out early due to a signal as that forces all subsequent lock operations needlessly into the slowpath until it's cleaned up again" * tag 'locking-urgent-2021-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: locking/mutex: clear MUTEX_FLAGS if wait_list is empty due to signal locking/lockdep: Correct calling tracepoints -
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull irq fixes from Thomas Gleixner: "A few fixes for irqchip drivers: - Allocate interrupt descriptors correctly on Mainstone PXA when SPARSE_IRQ is enabled; otherwise the interrupt association fails - Make the APPLE AIC chip driver depend on APPLE - Remove redundant error output on devm_ioremap_resource() failure" * tag 'irq-urgent-2021-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip: Remove redundant error printing irqchip/apple-aic: APPLE_AIC should depend on ARCH_APPLE ARM: PXA: Fix cplds irqdesc allocation when using legacy mode -
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 fixes from Borislav Petkov: - Fix how SEV handles MMIO accesses by forwarding potential page faults instead of killing the machine and by using the accessors with the exact functionality needed when accessing memory. - Fix a confusion with Clang LTO compiler switches passed to the it - Handle the case gracefully when VMGEXIT has been executed in userspace * tag 'x86_urgent_for_v5.13_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/sev-es: Use __put_user()/__get_user() for data accesses x86/sev-es: Forward page-faults which happen during emulation x86/sev-es: Don't return NULL from sev_es_get_ghcb() x86/build: Fix location of '-plugin-opt=' flags x86/sev-es: Invalidate the GHCB after completing VMGEXIT x86/sev-es: Move sev_es_put_ghcb() in prep for follow on patch
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linuxLinus Torvalds authored
Pull powerpc fixes from Michael Ellerman: - Fix breakage of strace (and other ptracers etc.) when using the new scv ABI (Power9 or later with glibc >= 2.33). - Fix early_ioremap() on 64-bit, which broke booting on some machines. Thanks to Dmitry V. Levin, Nicholas Piggin, Alexey Kardashevskiy, and Christophe Leroy. * tag 'powerpc-5.13-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/64s/syscall: Fix ptrace syscall info with scv syscalls powerpc/64s/syscall: Use pt_regs.trap to distinguish syscall ABI difference between sc and scv syscalls powerpc: Fix early setup to make early_ioremap() work
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