linux-kernel - Re: [PATCH] irqchip/irq-csky-mpintc: Fixup mask/unmask un-implementation

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Date:   Mon, 25 Oct 2021 21:14:19 +0800
From:   Guo Ren <guoren@...nel.org>
To:     Marc Zyngier <maz@...nel.org>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-csky@...r.kernel.org, Guo Ren <guoren@...ux.alibaba.com>,
        Marc Zyngier <marc.zyngier@....com>
Subject: Re: [PATCH] irqchip/irq-csky-mpintc: Fixup mask/unmask un-implementation

On Mon, Oct 25, 2021 at 6:34 PM Marc Zyngier <maz@...nel.org> wrote:
>
> On Mon, 25 Oct 2021 10:12:19 +0100,
> guoren@...nel.org wrote:
> >
> > From: Guo Ren <guoren@...ux.alibaba.com>
> >
> > The mask/unmask must be implemented, and enable/disable supplement
> > them if the HW requires something different at startup time. When
> > irq source is disabled by mask, mpintc could complete irq normally.
> >
> > So just replace the with mask/unmask function.
> >
> > Tested-by: Guo Ren <guoren@...ux.alibaba.com>
>
> This only makes sense if tested by a third party. It is assumed that
> the author of a patch has tested it.
Thx for pointing it out.

>
> > Signed-off-by: Guo Ren <guoren@...ux.alibaba.com>
> > Cc: Marc Zyngier <marc.zyngier@....com>
>
> This hasn't been my email address for over two years now. I'm sure my
> ex manager is happy to hear from you, but I doubt he'll bother replying.
I'll fix up your email in the next patch, thx for still reviewing.

>
> > ---
> >  drivers/irqchip/irq-csky-mpintc.c | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/irqchip/irq-csky-mpintc.c b/drivers/irqchip/irq-csky-mpintc.c
> > index a1534edef7fa..f169600dbde6 100644
> > --- a/drivers/irqchip/irq-csky-mpintc.c
> > +++ b/drivers/irqchip/irq-csky-mpintc.c
> > @@ -164,8 +164,8 @@ static int csky_irq_set_affinity(struct irq_data *d,
> >  static struct irq_chip csky_irq_chip = {
> >       .name           = "C-SKY SMP Intc",
> >       .irq_eoi        = csky_mpintc_eoi,
> > -     .irq_enable     = csky_mpintc_enable,
> > -     .irq_disable    = csky_mpintc_disable,
> > +     .irq_unmask     = csky_mpintc_enable,
> > +     .irq_mask       = csky_mpintc_disable,
> >       .irq_set_type   = csky_mpintc_set_type,
> >  #ifdef CONFIG_SMP
> >       .irq_set_affinity = csky_irq_set_affinity,
>
> Please rename the functions to match the fields they are assigned to.
okay

>
> Thanks,
>
>         M.
>
> --
> Without deviation from the norm, progress is not possible.



-- 
Best Regards
 Guo Ren

ML: https://lore.kernel.org/linux-csky/