Re: [RFC] mmc: tmio: use SDIO master interrupt bit only when allowed

[Yasushi SHOJI <yashi@atmark-techno.com>]

On Fri, 02 Dec 2016 00:08:13 +0900,
Wolfram Sang wrote:
> 
> The master bit to enable SDIO interrupts can only be accessed if
> SCLKDIVEN bit allows that. However, the core uses the SDIO enable
> callback at times when SCLKDIVEN forbids the change. This leads to
> "timeout waiting for SD bus idle" messages.
> 
> We now activate the master bit in probe once if SDIO is supported. IRQ
> en-/disabling will be done now by the individual IRQ enablement bits
> only.
> 
> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
> ---
> 
> Compile tested only, due to no testcase.

We've reviewed and tested your patch.  It looks good and works fine
under the condition we had.

Reviewed-by: Yasushi SHOJI <yashi@atmark-techno.com>

Cc: stable@vger.kernel.org if other boards with the same controller
can confirm.

Thanks you Wolfram for your quick response and the rfc.
-- 
           yashi