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Message-ID: <CACRpkdbSW+aj9RSedsAMyF3UtSL+w=0KM+pxc2bGdceSy+rXaw@mail.gmail.com>
Date: Thu, 10 Jan 2013 11:57:10 +0100
From: Linus Walleij <linus.walleij@...aro.org>
To: Laxman Dewangan <ldewangan@...dia.com>
Cc: sameo@...ux.intel.com, grant.likely@...retlab.ca,
akpm@...ux-foundation.org, a.zummo@...ertech.it,
broonie@...nsource.wolfsonmicro.com, linux-kernel@...r.kernel.org,
rtc-linux@...glegroups.com
Subject: Re: [PATCH 3/4] gpio: palmas: Add support for Palams GPIO
On Thu, Jan 3, 2013 at 11:46 AM, Laxman Dewangan <ldewangan@...dia.com> wrote:
> Add gpio driver for TI Palmas series PMIC. This has 8 gpio which can
> work as input/output.
>
> Signed-off-by: Laxman Dewangan <ldewangan@...dia.com>
This driver seems unnecessary. Can't you just use
drivers/gpio/gpio-generic.c ?
> +static int palmas_gpio_to_irq(struct gpio_chip *gc, unsigned offset)
> +{
> + struct palmas_gpio *pg = to_palmas_gpio(gc);
> + struct palmas *palmas = pg->palmas;
> +
> + return palmas_irq_get_virq(palmas, PALMAS_GPIO_0_IRQ + offset);
> +}
Why are you implementing this for a driver which does not even expose
the ability to trigger IRQs? If it's supposed to support IRQs it should
register a struct irq_chip.
Yours,
Linus Walleij
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