Re: [v2] wlcore: sdio: allow pm to handle sdio power
From: Kalle Valo
Date: Mon Apr 30 2018 - 06:31:31 EST
Eyal Reizer <eyalreizer@xxxxxxxxx> wrote:
> pm_runtime handles sdio power on and power off transitions.
> An old workaround for trying to control the power explicitly from the
> driver was in fact causing failures on suspend/resume as the mmc layer
> already power the module on resume.
>
> In case of resume pm_runtime_get sync returns a positive device's usage
> count causing the driver to try an re-initialize an already initialized
> device. This was causing sdio bus failure on resume.
>
> Remove this manual power on/off sequence as it is in-fact not needed.
>
> Signed-off-by: Eyal Reizer <eyalr@xxxxxx>
> Acked-by: Tony Lindgren <tony@xxxxxxxxxxx>
Patch applied to wireless-drivers-next.git, thanks.
60f36637bbbd wlcore: sdio: allow pm to handle sdio power
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https://patchwork.kernel.org/patch/10364645/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches