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Re: [PATCH 1/3] mwifiex: remove unnecessary wakeup interrupt number sanity check

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On Fri, Mar 31, 2017 at 03:37:01PM -0700, Dmitry Torokhov wrote:
> On Thu, Mar 30, 2017 at 2:19 AM, Xinming Hu <huxinming820@xxxxxxxxx> wrote:
> > From: Xinming Hu <huxm@xxxxxxxxxxx>
> >
> > Sanity check of interrupt number in interrupt handler is unnecessary and
> > confusion, remove it.
> 
> I'd reworded the explanation a bit: "If wakeup interrupt handler is
> called, we know that the wakeup interrupt number is valid, there is no
> need to check it."

Either way works for me (modulo grammar), though Dmitry's is more
informative. So +1.

> Otherwise:
> 
> Reviewed-by: Dmitry Torokhov <dtor@xxxxxxxxxxxx>

Ooh, me too!

Reviewed-by: Brian Norris <briannorris@xxxxxxxxxxxx>

I believe this same pattern occurs in btmrvl_sdio. Possibly others.

> > Signed-off-by: Xinming Hu <huxm@xxxxxxxxxxx>
> > Signed-off-by: Amitkumar Karwar <akarwar@xxxxxxxxxxx>
> > ---
> >  drivers/net/wireless/marvell/mwifiex/main.c | 8 +++-----
> >  1 file changed, 3 insertions(+), 5 deletions(-)
> >
> > diff --git a/drivers/net/wireless/marvell/mwifiex/main.c b/drivers/net/wireless/marvell/mwifiex/main.c
> > index 30f4994..5e82602 100644
> > --- a/drivers/net/wireless/marvell/mwifiex/main.c
> > +++ b/drivers/net/wireless/marvell/mwifiex/main.c
> > @@ -1503,11 +1503,9 @@ static irqreturn_t mwifiex_irq_wakeup_handler(int irq, void *priv)
> >  {
> >         struct mwifiex_adapter *adapter = priv;
> >
> > -       if (adapter->irq_wakeup >= 0) {
> > -               dev_dbg(adapter->dev, "%s: wake by wifi", __func__);
> > -               adapter->wake_by_wifi = true;
> > -               disable_irq_nosync(irq);
> > -       }
> > +       dev_dbg(adapter->dev, "%s: wake by wifi", __func__);
> > +       adapter->wake_by_wifi = true;
> > +       disable_irq_nosync(irq);
> >
> >         /* Notify PM core we are wakeup source */
> >         pm_wakeup_event(adapter->dev, 0);
> > --
> > 1.8.1.4
> >



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