Messages in this thread | | | Date | Thu, 24 Mar 2022 07:08:53 +1000 | From | Alistair <> | Subject | Re: [PATCH v4] watchdog: imx2_wdg: Allow ping on suspend |
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On Wed, 23 Mar 2022, at 11:07 PM, Guenter Roeck wrote: > On 3/23/22 04:57, Alistair Francis wrote: > > The i.MX watchdog cannot be disabled by software once it has been > > enabled. This means that it can't be stopped before suspend. > > > > For systems that enter low power mode this is fine, as the watchdog will > > be automatically stopped by hardware in low power mode. Not all i.MX > > platforms support low power mode in the mainline kernel. For example the > > i.MX7D does not enter low power mode and so will be rebooted 2 minutes > > after entering sleep states. > > > > This patch introduces a device tree property "fsl,ping-during-suspend" > > that can be used to enable ping on suspend support for these systems. > > > > Signed-off-by: Alistair Francis <alistair@alistair23.me> > > Reviewed-by: Guenter Roeck <linux@roeck-us.net> > > What is the difference to earlier versions ?
Sorry, I should have included a changelog.
I just fixed the spelling of alow/allow in the title
Alistair
> > Guenter >
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