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

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Date:   Wed, 25 Apr 2018 16:58:15 +0300
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>, stable@...r.kernel.org
Subject: Re: [PATCH] wlcore: sdio: allow pm to handle sdio power

Eyal Reizer <eyalreizer@...il.com> writes:

> 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>
> Cc: stable@...r.kernel.org

I'll remove "net: wireless: ti:" from the title. The idea is not to put
the whole directory structure there, just the driver name.

-- 
Kalle Valo