linux-kernel - Re: [PATCH] pinctrl: cherryview: Do not mask all interrupts on probe

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Message-ID: <20160912131111.GG1811@lahna.fi.intel.com>
Date:   Mon, 12 Sep 2016 16:11:11 +0300
From:   Mika Westerberg <mika.westerberg@...ux.intel.com>
To:     Phidias Chiang <phidias.chiang@...onical.com>
Cc:     Anisse Astier <anisse@...ier.eu>,
        Linus Walleij <linus.walleij@...aro.org>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Yu C Chen <yu.c.chen@...el.com>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] pinctrl: cherryview: Do not mask all interrupts on probe

On Mon, Sep 12, 2016 at 09:04:44PM +0800, Phidias Chiang wrote:
> On Mon, Sep 12, 2016 at 12:04:01PM +0300, Mika Westerberg wrote:
> > 
> > OK, I see what is going on now. When I changed handle_simple_irq to
> > handle_bad_irq, the IRQ core in __irq_do_set_handler() thinks the
> > handler is uninstalled and masks the line.
> > 
> > If you change handle_bad_irq to handle_simple_irq, in call to
> > gpiochip_irqchip_add(), does it work then?
> 
> Yes it does :), thank you for the support!

Thanks for testing.

So we need to use handle_simple_irq here instead.

Linus, do you see any problems with that?