Messages in this thread | | | Date | Thu, 20 Oct 2022 07:49:55 +0200 | Subject | Re: [PATCH 0/3] Suspending i.MX watchdog in WAIT mode | From | Andrej Picej <> |
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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 kernel, gives you outdated entries.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?
Best regards, Andrej
> > Best regards, > Krzysztof >
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