linux-kernel - Re: [PATCH 0/2] gpio: pcf857x: Use gpiolib irqchip helpers and fix wake-up

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Message-ID: <CAAVeFuKbkwkOSF2nDGzyMH9UdV6c+A7OnsV6RqBwKLK=G_HZwg@mail.gmail.com>
Date:	Thu, 26 Feb 2015 18:39:54 +0900
From:	Alexandre Courbot <gnurou@...il.com>
To:	Linus Walleij <linus.walleij@...aro.org>,
	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	Geert Uytterhoeven <geert+renesas@...der.be>,
	George Cherian <george.cherian@...com>,
	Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	Linux-sh list <linux-sh@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/2] gpio: pcf857x: Use gpiolib irqchip helpers and fix wake-up

On Tue, Feb 24, 2015 at 7:41 PM, Geert Uytterhoeven
<geert@...ux-m68k.org> wrote:
> On Thu, Feb 5, 2015 at 4:49 PM, Geert Uytterhoeven
> <geert+renesas@...der.be> wrote:
>> This patch series switches the PCF857x GPIO driver to use the gpiolib
>> irqchip helpers, as requested by Linus Walleij, and fixes wake-up by
>> propagating the wake-up setting to the parent irq controller.
>>
>> Note that the conversion to gpiolib irqchip helpers removes the checks
>> added in commit 21fd3cd1874a2ac8 ("gpio: pcf857x: call the gpio user
>> handler iff gpio_to_irq is done"), as the interrupt mappings are no
>> longer created on-demand by the driver, but by gpiochip_irqchip_add()
>> during initialization.  I marked the first patch "RFC" because of
>> this.  Does the removal of the checks cause problems for anyone?
>>
>> The second patch was sent before, and rebased on top of the
>> conversion to gpiolib irqchip helpers.
>>
>> This was tested on sh73a0/kzm9g, where I don't see the issue addressed
>> by commit 21fd3cd1874a2ac8 ("gpio: pcf857x: call the gpio user handler
>> iff gpio_to_irq is done").
>>
>> Thanks for your comments!
>
> No comments?

Apologies - I'd like to review this but am not familar enough with the
IRQ helpers. Linus seems to be busy, hopefully he will find time to
check this out...
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