Re: [PATCH] mfd: tc6393xb fail ohci suspend if full state restore is required

From: Dmitry Eremin-Solenikov
Date: Wed Oct 29 2014 - 14:39:01 EST


2014-10-24 20:19 GMT+03:00 Dmitry Eremin-Solenikov <dbaryshkov@xxxxxxxxx>:
> Some boards with TC6393XB chip require full state restore during system
> resume thanks to chip's VCC being cut off during suspend (Sharp SL-6000
> tosa is one of them). Failing to do so would result in ohci Oops on
> resume due to internal memory contentes being changed. Fail ohci suspend
> on tc6393xb is full state restore is required.
>
> Recommended workaround is to unbind tmio-ohci driver before suspend and
> rebind it after resume.

ping

>
> Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@xxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
> ---
> drivers/mfd/tc6393xb.c | 13 ++++++++++++-
> 1 file changed, 12 insertions(+), 1 deletion(-)



--
With best wishes
Dmitry
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