linux-kernel - Re: [v2] wlcore: sdio: allow pm to handle sdio power

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Date:   Mon, 30 Apr 2018 10:31:27 +0000 (UTC)
From:   Kalle Valo <kvalo@...eaurora.org>
To:     Eyal Reizer <eyalreizer@...il.com>
Cc:     linux-wireless@...r.kernel.org, robh@...nel.org, sre@...nel.org,
        tony@...mide.com, linux-kernel@...r.kernel.org,
        Eyal Reizer <eyalr@...com>
Subject: Re: [v2] wlcore: sdio: allow pm to handle sdio power

Eyal Reizer <eyalreizer@...il.com> 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@...com>
> Acked-by: Tony Lindgren <tony@...mide.com>

Patch applied to wireless-drivers-next.git, thanks.

60f36637bbbd wlcore: sdio: allow pm to handle sdio power

-- 
https://patchwork.kernel.org/patch/10364645/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches