Messages in this thread | | | Date | Thu, 20 Oct 2022 14:16:31 +0200 | Subject | Re: [PATCH 0/3] Suspending i.MX watchdog in WAIT mode | From | Andrej Picej <> |
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On 20. 10. 22 14:04, Krzysztof Kozlowski wrote: > On 20/10/2022 01:49, Andrej Picej wrote: >> Hi Krzysztof, >> >> On 19. 10. 22 17:46, Krzysztof Kozlowski wrote: >>> On 19/10/2022 07:17, Andrej Picej wrote: >>>> The i.MX6 watchdog can't be stopped once started. This means that >>>> special hardware suspend needs to be configured when the device enters >>>> low-power modes. >>>> Usually i.MX devices have two bits which deal with this: >>>> - WDZST bit disables the timer in "deeper" low power modes and >>>> - WDW bit disables the timer in "WAIT" mode which corresponds with >>>> Linux's "freeze" low-power mode. >>>> >>>> WDZST bit support is already in place since 1a9c5efa576e ("watchdog: imx2_wdt: disable watchdog timer during low power mode"). >>>> WDW bit is not common for all imx2-wdt supported devices, therefore use >>>> a new device-tree property "fsl,suspend-in-wait" which suspends the >>>> watchdog in "WAIT" mode. >>>> >>>> Andrej Picej (3): >>>> watchdog: imx2_wdg: suspend watchdog in WAIT mode >>>> dt-bindings: watchdog: fsl-imx: document suspend in wait mode >>>> ARM: dts: imx6ul/ull: suspend i.MX6UL watchdog in wait mode >>>> >>>> .../devicetree/bindings/watchdog/fsl-imx-wdt.yaml | 5 +++++ >>> >>> Please use scripts/get_maintainers.pl to get a list of necessary people >>> and lists to CC. It might happen, that command when run on an older >>> kernel, gives you outdated entries. Therefore please be sure you base >>> your patches on recent Linux kernel. >> >> I thought I did. I run that script on linux-watchdog.git, master branch. >> I thought I should base my patches meant for watchdog subsystem there? > > Maintainer's tree should be fine, but then the issue is somewhere else, > because your CC list was not complete. >
Ok I see that two email addresses were not added. Sorry for that. I will make sure that the CC list is complete next time.
Thanks, Andrej
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