linux-kernel - Re: [PATCH v1 1/1] gpio: gpio-aspeed-sgpio: Fix wrong hwirq base in irq handler

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Message-ID: <CAMRc=McjZZTMjR+riwjj6SLEh=fYq0yjBQYNgzGXHok6=OTz_w@mail.gmail.com>
Date:   Mon, 3 Jan 2022 10:50:38 +0100
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Steven Lee <steven_lee@...eedtech.com>,
        Joel Stanley <joel@....id.au>, Andrew Jeffery <andrew@...id.au>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "moderated list:ARM/ASPEED MACHINE SUPPORT" 
        <linux-arm-kernel@...ts.infradead.org>,
        "moderated list:ARM/ASPEED MACHINE SUPPORT" 
        <linux-aspeed@...ts.ozlabs.org>,
        open list <linux-kernel@...r.kernel.org>,
        Hongwei Zhang <Hongweiz@....com>, ryan_chen@...eedtech.com,
        billy_tsai@...eedtech.com
Subject: Re: [PATCH v1 1/1] gpio: gpio-aspeed-sgpio: Fix wrong hwirq base in
 irq handler

On Wed, Dec 22, 2021 at 10:18 AM Bartosz Golaszewski <brgl@...ev.pl> wrote:
>
> On Tue, Dec 14, 2021 at 5:03 AM Steven Lee <steven_lee@...eedtech.com> wrote:
> >
> > Each aspeed sgpio bank has 64 gpio pins(32 input pins and 32 output pins).
> > The hwirq base for each sgpio bank should be multiples of 64 rather than
> > multiples of 32.
> >
> > Signed-off-by: Steven Lee <steven_lee@...eedtech.com>
> > ---
> >  drivers/gpio/gpio-aspeed-sgpio.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpio/gpio-aspeed-sgpio.c b/drivers/gpio/gpio-aspeed-sgpio.c
> > index 3d6ef37a7702..b3a9b8488f11 100644
> > --- a/drivers/gpio/gpio-aspeed-sgpio.c
> > +++ b/drivers/gpio/gpio-aspeed-sgpio.c
> > @@ -395,7 +395,7 @@ static void aspeed_sgpio_irq_handler(struct irq_desc *desc)
> >                 reg = ioread32(bank_reg(data, bank, reg_irq_status));
> >
> >                 for_each_set_bit(p, &reg, 32)
> > -                       generic_handle_domain_irq(gc->irq.domain, i * 32 + p * 2);
> > +                       generic_handle_domain_irq(gc->irq.domain, (i * 32 + p) * 2);
> >         }
> >
> >         chained_irq_exit(ic, desc);
> > --
> > 2.17.1
> >
>
> Joel, Andrew: any comments on this? I'd like to send it upstream tomorrow.
>
> Bart

I don't want to delay it anymore, it looks good so I queued it for fixes.

Bart