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ca57bf46e7a94f8c53d05c376df9fcfdcb482100
linux/drivers/clocksource
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Kartik Rajput ca57bf46e7 clocksource/drivers/timer-tegra186: Fix support for multiple watchdog instances 
Tegra SoCs support multiple watchdogs; currently only one (WDT0) is
used. When multiple watchdogs are registered, tegra186_wdt_enable()
overwrites the TKEIE(x) register, discarding any existing watchdog
interrupt enable bits. As a result, enabling one watchdog inadvertently
disables interrupts for the others.

Fix this by preserving the existing TKEIE(x) value and updating it
using a read-modify-write sequence.

Fixes: 42cee19a9f ("clocksource: Add Tegra186 timers support")
Cc: stable@vger.kernel.org
Signed-off-by: Kartik Rajput <kkartik@nvidia.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@kernel.org>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Link: https://patch.msgid.link/20260507154557.2082697-2-kkartik@nvidia.com
2026-06-10 07:25:08 +02:00
..
acpi_pm.c
clocksource: Rewrite watchdog code completely
2026-03-20 13:36:32 +01:00
arc_timer.c
clocksource/drivers/arc_timer: Eliminate redefined macro error
2021-10-16 22:15:01 +02:00
arm_arch_timer_mmio.c
clocksource/drivers/arm_arch_timer_mmio: Prevent driver unbind
2025-11-26 11:24:47 +01:00
arm_arch_timer.c
clocksource/drivers/arm_arch_timer: Default to EL2 virtual timer when running VHE
2026-06-03 09:53:21 +02:00
arm_global_timer.c
clocksource/drivers/arm_global_timer: Add auto-detection for initial prescaler values
2025-09-23 12:41:58 +02:00
armv7m_systick.c
…
asm9260_timer.c
clocksource/drivers/asm9260: Add missing clk_disable_unprepare in asm9260_timer_init
2024-09-06 14:49:21 +02:00
bcm2835_timer.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
bcm_kona_timer.c
clocksource/drivers/bcm_kona: Convert to SPDX identifier
2022-05-18 11:08:59 +02:00
clksrc_st_lpc.c
…
clksrc-dbx500-prcmu.c
timekeeping, clocksource: Fix various typos in comments
2021-03-22 23:06:48 +01:00
clps711x-timer.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
dummy_timer.c
…
dw_apb_timer_of.c
clocksource/drivers/dw_apb_timer_of: Fix probe failure
2021-12-10 17:46:54 +01:00
dw_apb_timer.c
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
em_sti.c
clocksource: remove MODULE_LICENSE in non-modules
2023-04-13 13:13:51 -07:00
exynos_mct.c
clocksource/drivers/exynos_mct: Fixed a spelling error
2025-03-07 17:55:59 +01:00
hyperv_timer.c
x86/paravirt: Move paravirt_sched_clock() related code into tsc.c
2026-01-12 18:47:39 +01:00
i8253.c
clocksource/i8253: Use raw_spinlock_irqsave() in clockevent_i8253_disable()
2025-05-05 15:34:49 +02:00
ingenic-ost.c
clocksource/drivers/ingenic: Use devm_clk_get_enabled() helpers
2024-09-06 14:49:20 +02:00
ingenic-sysost.c
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
ingenic-timer.c
Convert 'alloc_flex' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
jcore-pit.c
irqchip/jcore-aic, clocksource/drivers/jcore: Fix jcore-pit interrupt request
2025-02-17 23:27:49 +01:00
Kconfig
MIPS: Don't select CLOCKSOURCE_WATCHDOG
2026-03-12 12:23:26 +01:00
Makefile
clocksource/drivers: Add Realtek system timer driver
2025-11-26 11:25:15 +01:00
mips-gic-timer.c
clocksource/drivers/mips-gic-timer: Move GIC timer to request_percpu_irq()
2026-01-20 18:07:24 +01:00
mmio.c
clocksource/drivers/mmio: Make the code compatible with modules
2026-04-03 10:52:05 +02:00
mps2-timer.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
mxs_timer.c
clocksource/drivers/mxs_timer: Add missing semicolon when DEBUG is defined
2021-01-18 22:28:59 +01:00
nomadik-mtu.c
clocksource: Explicitly include correct DT includes
2023-08-28 13:30:57 -05:00
numachip.c
…
renesas-ostm.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
samsung_pwm_timer.c
of: remove internal arguments from of_property_for_each_u32()
2024-07-25 06:53:47 -05:00
scx200_hrt.c
clocksource/drivers/scx200: Add module owner
2025-09-23 10:21:24 +02:00
sh_cmt.c
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
sh_mtu2.c
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
sh_tmu.c
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
timer-armada-370-xp.c
clocksource/drivers/armada-370-xp: Fix dead link to timer binding
2026-01-20 18:06:45 +01:00
timer-atmel-pit.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
timer-atmel-st.c
clocksource/drivers/atmel-st: Remove useless 'status'
2020-04-15 10:57:15 +02:00
timer-atmel-tcb.c
clocksource/drivers/timer-atmel-tcb: Fix initialization on SAM9 hardware
2023-10-13 12:56:50 +02:00
timer-cadence-ttc.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
timer-clint.c
riscv: Use IPIs for remote cache/TLB flushes by default
2024-04-29 10:49:26 -07:00
timer-cs5535.c
clocksource/drivers/cs5535: Add module owner
2025-09-23 10:52:23 +02:00
timer-davinci.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
timer-digicolor.c
clocksource/drivers/digicolor: Convert to SPDX identifier
2022-05-18 11:08:59 +02:00
timer-econet-en751221.c
clocksource/timer-econet-en751221: Convert comma to semicolon
2025-09-23 10:56:13 +02:00
timer-ep93xx.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
timer-fsl-ftm.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
timer-fttmr010.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
timer-goldfish.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
timer-gx6605s.c
clocksource/drivers/timer-gx6605s: Fixup counter reload
2020-08-24 13:01:39 +02:00
timer-gxp.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
timer-imx-gpt.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
timer-imx-sysctr.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
timer-imx-tpm.c
clocksource/drivers/imx-tpm: Fix next event not taking effect sometime
2024-09-02 10:04:15 +02:00
timer-integrator-ap.c
clocksource: Explicitly include correct DT includes
2023-08-28 13:30:57 -05:00
timer-ixp4xx.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
timer-keystone.c
…
timer-loongson1-pwm.c
clocksource/drivers/loongson1: Set variable ls1x_timer_lock storage-class-specifier to static
2023-08-18 12:13:03 +02:00
timer-lpc32xx.c
clocksource/drivers/lpc32xx: Convert to SPDX identifier
2022-05-18 11:08:59 +02:00
timer-mediatek-cpux.c
clocksource/drivers/timer-mediatek: Split out CPUXGPT timers
2023-04-24 16:56:13 +02:00
timer-mediatek.c
clocksource/drivers/timer-mediatek: Split out CPUXGPT timers
2023-04-24 16:56:13 +02:00
timer-meson6.c
clocksource: Replace setup_irq() by request_irq()
2020-02-27 12:15:24 +01:00
timer-microchip-pit64b.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
timer-milbeaut.c
…
timer-mp-csky.c
…
timer-msc313e.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
timer-npcm7xx.c
clocksource/drivers/timer-npcm7xx: Enable timer 1 clock before use
2022-12-02 12:48:28 +01:00
timer-nxp-pit.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
timer-nxp-stm.c
clocksource/drivers/nxp-stm: Prevent driver unbind
2025-11-26 11:25:03 +01:00
timer-of.c
clocksource/drivers/timer-of: Make the code compatible with modules
2026-04-03 10:53:29 +02:00
timer-of.h
clocksource/drivers/timer-of: Make the code compatible with modules
2026-04-03 10:53:29 +02:00
timer-orion.c
arm: Handle KCOV __init vs inline mismatches
2025-07-21 21:43:39 -07:00
timer-owl.c
…
timer-pistachio.c
clocksource/drivers/pistachio: Convert to SPDX identifier
2022-05-18 11:08:59 +02:00
timer-probe.c
treewide: Convert macro and uses of __section(foo) to __section("foo")
2020-10-25 14:51:49 -07:00
timer-pxa.c
clocksource: Replace setup_irq() by request_irq()
2020-02-27 12:15:24 +01:00
timer-qcom.c
clocksource/drivers/qcom: Remove clockevents shutdown call on offlining
2024-10-31 10:41:43 +01:00
timer-ralink.c
clocksource/drivers/ralink: Fix resource leaks in init error path
2025-11-26 11:24:34 +01:00
timer-rda.c
clocksource/drivers/rda: Add sched_clock_register for RDA8810PL SoC
2025-11-26 11:25:11 +01:00
timer-realtek.c
clocksource/drivers: Add Realtek system timer driver
2025-11-26 11:25:15 +01:00
timer-riscv.c
riscv: clocksource: Fix stimecmp update hazard on RV32
2026-01-14 17:42:46 -07:00
timer-rockchip.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
timer-rtl-otto.c
clocksource/drivers/timer-rtl-otto: Make rttm_cs variable static
2026-03-24 18:30:29 +01:00
timer-sp804.c
clocksource/drivers/timer-sp804: Fix an Oops when read_current_timer is called on ARM32 platforms where the SP804 is not registered as the sched_clock.
2026-01-20 18:06:54 +01:00
timer-sp.h
clocksource/drivers/sp804: Enable Hisilicon sp804 timer 64bit mode
2020-09-24 10:51:04 +02:00
timer-sprd.c
clocksource/drivers/sprd: Enable register for timer counter from 32 bit to 64 bit
2025-11-26 11:24:26 +01:00
timer-stm32-lp.c
clocksource/drivers/stm32-lp: Drop unused module alias
2025-11-26 11:25:15 +01:00
timer-stm32.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
timer-sun4i.c
clocksource/drivers/timer-sun4i: Add CLOCK_EVT_FEAT_DYNIRQ
2023-02-13 13:10:17 +01:00
timer-sun5i.c
clocksource/drivers/sun5i: Add D1 hstimer support
2026-05-06 13:05:59 +02:00
timer-tegra186.c
clocksource/drivers/timer-tegra186: Fix support for multiple watchdog instances
2026-06-10 07:25:08 +02:00
timer-tegra.c
clocksource/drivers/timer-tegra: Remove clockevents shutdown call on offlining
2024-10-31 10:41:43 +01:00
timer-ti-32k.c
clocksource/drivers/ti-32K: Fix misuse of "/**" comment
2024-01-22 13:16:32 +01:00
timer-ti-dm-systimer.c
clocksource/drivers/timer-ti-dm: Fix property name in comment
2026-06-03 10:05:29 +02:00
timer-ti-dm.c
clocksource/drivers/timer-ti-dm: Add clockevent support
2026-06-03 10:06:02 +02:00
timer-versatile.c
clocksource/drivers/timer-versatile: Clear OF_POPULATED flag
2020-05-23 00:03:25 +02:00
timer-vt8500.c
clocksource: Replace setup_irq() by request_irq()
2020-02-27 12:15:24 +01:00
timer-zevio.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00