Messages in this thread | | | Date | Fri, 14 Jul 2023 16:27:48 -0700 | Subject | Re: [PATCH v3 2/3] arm64: dts: ti: Add reserved memory for watchdog | From | Guenter Roeck <> |
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On 7/14/23 15:52, Nishanth Menon wrote: > On 17:51-20230713, huaqian.li@siemens.com wrote: >> From: Li Hua Qian <huaqian.li@siemens.com> > > I guess I should be explicit about this: Lets keep this dts patch as > "DONOTMERGE" in subject line for driver subsystem maintainer (I don't > want a repeat of cpufreq maintainers picking up dts and associated > warnings that are now pending fixes), resubmit at next rc1 and I can > queue up the dts once the maintainers pick up the driver and bindings. >
FWIW, I never pick up patches outside drivers/hwmon without explicit Ack from responsible maintainers (and most definitely not dts patches unless a maintainer responsible for the file(s) specifically asks me to do it (which I think never happened).
Guenter
> Ref: https://lore.kernel.org/all/20230714084725.27847-1-krzysztof.kozlowski@linaro.org/ > >> >> This patch adds a reserved memory for the TI AM65X platform watchdog to >> reserve the specific info, triggering the watchdog reset in last boot, >> to know if the board reboot is due to a watchdog reset. >> >> Signed-off-by: Li Hua Qian <huaqian.li@siemens.com> >> --- >> arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi | 10 ++++++++++ >> 1 file changed, 10 insertions(+) >> >> diff --git a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi >> index e26bd988e522..4bb20d493651 100644 >> --- a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi >> +++ b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi >> @@ -63,6 +63,12 @@ rtos_ipc_memory_region: ipc-memories@a2000000 { >> alignment = <0x1000>; >> no-map; >> }; >> + >> + /* To reserve the power-on(PON) reason for watchdog reset */ >> + wdt_reset_memory_region: wdt-memory@a2200000 { >> + reg = <0x00 0xa2200000 0x00 0x1000>; >> + no-map; >> + }; >> }; >> >> leds { >> @@ -718,3 +724,7 @@ &mcu_r5fss0_core1 { >> <&mcu_r5fss0_core1_memory_region>; >> mboxes = <&mailbox0_cluster1>, <&mbox_mcu_r5fss0_core1>; >> }; >> + >> +&mcu_rti1 { >> + memory-region = <&wdt_reset_memory_region>; >> +}; >> -- >> 2.34.1 >> >
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