linux-kernel - Re: [PATCH: V2 2/2] gpio: tc35894: Disable Direct KBD interrupts to enable gpio irq

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Message-ID: <CAMpxmJVMMoH82qX=+k1-SN7XPKhaGocBctCJC5We5eH=BFFWow@mail.gmail.com>
Date:   Wed, 9 Sep 2020 11:33:49 +0200
From:   Bartosz Golaszewski <bgolaszewski@...libre.com>
To:     dillon.minfei@...il.com
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Lee Jones <lee.jones@...aro.org>,
        linux-gpio <linux-gpio@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH: V2 2/2] gpio: tc35894: Disable Direct KBD interrupts to
 enable gpio irq

On Thu, Sep 3, 2020 at 9:30 AM <dillon.minfei@...il.com> wrote:
>
> From: dillon min <dillon.minfei@...il.com>
>
> On tc35894, have to disable direct keypad interrupts to make
> it as general purpose interrupts functionality work.
> if not, after chip reset, IRQST(0x91) will always 0x20,
> IRQN always low level, can't be clear.
>
> Configure DIRECTx to enable general purpose gpio mode,
> else read GPIOMISx register always zero in irq routine.
>
> verified on tc35894, need more test on other tc3589x.
>
> Signed-off-by: dillon min <dillon.minfei@...il.com>
> ---

Queued for v5.10.

Thanks!
Bartosz