On Fri, Nov 4, 2016 at 4:12 PM, Linus Walleij <linus.walleij@xxxxxxxxxx> wrote: > On Mon, Oct 31, 2016 at 3:57 PM, Mika Westerberg > <mika.westerberg@xxxxxxxxxxxxxxx> wrote: > >> If async suspend is enabled, the driver may access registers concurrently >> with another instance which may fail because of the bug in Cherryview GPIO >> hardware. Prevent this by taking the shared lock while accessing the >> hardware in suspend and resume hooks. >> >> Signed-off-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx> > > Patch applied. Mika should this and patch 2/3 be tagged for stable? Yours, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [PATCH 1/3] pinctrl: cherryview: Serialize register access in suspend and resume hooks
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- Subject: Re: [PATCH 1/3] pinctrl: cherryview: Serialize register access in suspend and resume hooks
- From: Linus Walleij <linus.walleij@xxxxxxxxxx>
- Date: Fri, 4 Nov 2016 16:15:59 +0100
- In-reply-to: <CACRpkdYTjFBj4EAvFWtaAu7aaxbKkXy6HffXOzAnBCPKehWRtQ@mail.gmail.com>
- References: <20161031145734.193016-1-mika.westerberg@linux.intel.com> <CACRpkdYTjFBj4EAvFWtaAu7aaxbKkXy6HffXOzAnBCPKehWRtQ@mail.gmail.com>
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