linux-kernel - Re: [PATCH] MIPS: Remove most of the custom gpio.h

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Message-ID: <55B131B1.10302@metafoo.de>
Date:	Thu, 23 Jul 2015 20:25:53 +0200
From:	Lars-Peter Clausen <lars@...afoo.de>
To:	Alban Bedel <albeu@...e.fr>, linux-mips@...ux-mips.org
CC:	Ralf Baechle <ralf@...ux-mips.org>,
	Hauke Mehrtens <hauke@...ke-m.de>,
	Rafał Miłecki <zajec5@...il.com>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Tejun Heo <tj@...nel.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Alexandre Courbot <gnurou@...il.com>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Florian Fainelli <florian@...nwrt.org>,
	Joe Perches <joe@...ches.com>,
	Daniel Walter <dwalter@...gle.com>,
	Sergey Ryazanov <ryazanov.s.a@...il.com>,
	Huacai Chen <chenhc@...ote.com>,
	Andrew Bresticker <abrestic@...omium.org>,
	James Hartley <james.hartley@...tec.com>,
	Paul Burton <paul.burton@...tec.com>,
	Waldemar Brodkorb <wbx@...nadk.org>,
	James Hogan <james.hogan@...tec.com>,
	Tomi Valkeinen <tomi.valkeinen@...com>,
	Levente Kurusa <levex@...ux.com>,
	abdoulaye berthe <berthe.ab@...il.com>,
	Wolfram Sang <wsa@...-dreams.de>, linux-kernel@...r.kernel.org,
	linux-ide@...r.kernel.org, linux-gpio@...r.kernel.org,
	linux-input@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH] MIPS: Remove most of the custom gpio.h

On 07/22/2015 07:33 PM, Alban Bedel wrote:
> diff --git a/arch/mips/jz4740/gpio.c b/arch/mips/jz4740/gpio.c
> index 54c80d4..3dc500c 100644
> --- a/arch/mips/jz4740/gpio.c
> +++ b/arch/mips/jz4740/gpio.c
> @@ -262,18 +262,6 @@ uint32_t jz_gpio_port_get_value(int port, uint32_t mask)
>   }
>   EXPORT_SYMBOL(jz_gpio_port_get_value);
>
> -int gpio_to_irq(unsigned gpio)
> -{
> -	return JZ4740_IRQ_GPIO(0) + gpio;
> -}
> -EXPORT_SYMBOL_GPL(gpio_to_irq);

This need to be hooked up the gpio_to_irq() callback of the gpio_chip struct 
of this driver rather than completely removing it. Otherwise this 
functionality will be broken.

Similar for other platforms which implement the function.

- Lars

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