Re: [PATCH] pch_gpio: transform mutex into spinlock

[Tomoya MORINAGA]

(2011/06/28 7:47), Grant Likely wrote:
> On Tue, Jun 21, 2011 at 04:17:27PM +0200, Alexander Stein wrote:
> > gpio_chip.can_sleep is 0, but gpio_set_value&  friends lock a mutex. Thus
> > those functions are not callable from interrupt context.
> > Changing mutex into spinlock.
> >
> > Signed-off-by: Alexander Stein<alexander.stein@xxxxxxxxxxxxxxxxxxxxx>
>
> Tomoya, what do you think of this patch?

Seeing some upstreamed GPIO driver, Alexander's comment looks right.

Best Regards,

tomoya
OKI SEMICONDUCTOR CO., LTD.
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