Re: [PATCH] PM / OPP: fix incorrect OPP count handling in of_init_opp_table

From: Rafael J. Wysocki
Date: Mon May 19 2014 - 19:10:11 EST


On Monday, May 19, 2014 08:04:30 AM Nishanth Menon wrote:
> On Fri, May 16, 2014 at 5:51 AM, Chander Kashyap
> <chander.kashyap@xxxxxxxxxx> wrote:
> > In of_init_opp_table function, if a failure to add an OPP is
> > detected, the count of OPPs, yet to be added is not updated.
> > Fix this by decrementing this count on failure as well.
> >
> > Signed-off-by: Chander Kashyap <k.chander@xxxxxxxxxxx>
> > Signed-off-by: Inderpal Singh <inderpal.s@xxxxxxxxxxx>
> > ---
> > drivers/base/power/opp.c | 4 +---
> > 1 file changed, 1 insertion(+), 3 deletions(-)
> >
> > diff --git a/drivers/base/power/opp.c b/drivers/base/power/opp.c
> > index d9e376a..faae9cf 100644
> > --- a/drivers/base/power/opp.c
> > +++ b/drivers/base/power/opp.c
> > @@ -643,11 +643,9 @@ int of_init_opp_table(struct device *dev)
> > unsigned long freq = be32_to_cpup(val++) * 1000;
> > unsigned long volt = be32_to_cpup(val++);
> >
> > - if (dev_pm_opp_add(dev, freq, volt)) {
> > + if (dev_pm_opp_add(dev, freq, volt))
> > dev_warn(dev, "%s: Failed to add OPP %ld\n",
> > __func__, freq);
> > - continue;
> > - }
> > nr -= 2;
> > }
> Good Catch. Thanks.
>
> Acked-by: Nishanth Menon <nm@xxxxxx>

Since my pull request for 3.15-rc6 has been sent already, I'm going to push
this for -rc7. Thanks!


--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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