Hi, > -----Original Message----- > From: Sergei Shtylyov [mailto:[email protected]] > Sent: Friday, October 24, 2014 9:03 PM > To: Yang, Wenyou; [email protected]; Desroches, Ludovic > Cc: [email protected]; Ferre, Nicolas; [email protected]; linux- > [email protected]; [email protected] > Subject: Re: [PATCH v3 2/3] i2c/at91: add support for system PM > > Hello. > > On 10/24/2014 10:50 AM, Wenyou Yang wrote: > > > Signed-off-by: Wenyou Yang <[email protected]> > > --- > > drivers/i2c/busses/i2c-at91.c | 26 ++++++++++++++++++++++++++ > > 1 file changed, 26 insertions(+) > > > diff --git a/drivers/i2c/busses/i2c-at91.c > > b/drivers/i2c/busses/i2c-at91.c index a25fb5e..6a84a2a 100644 > > --- a/drivers/i2c/busses/i2c-at91.c > > +++ b/drivers/i2c/busses/i2c-at91.c > > @@ -861,7 +861,33 @@ static int at91_twi_runtime_resume(struct device > > *dev) > [...] > > +static int at91_twi_resume_noirq(struct device *dev) { > > + int ret; > > + > > + if (!pm_runtime_status_suspended(dev)) { > > + ret = at91_twi_runtime_resume(dev); > > Resume if *not* suspended? Yes, if it is not runtime_suspended, it must be the system suspended, then resume it. I think so.
> > > + if (ret) > > + return ret; > > + } > > + > > + pm_runtime_mark_last_busy(dev); > > + pm_request_autosuspend(dev); > > + > > + return 0; > > +} > > + > [...] > > WBR, Sergei Best Regards, Wenyou Yang -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
