linux-kernel - Re: [PATCH 2/5] Input: bu21013_ts - Move GPIO init and exit functions into the driver

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Message-ID: <20121121184256.GD18950@core.coreip.homeip.net>
Date:	Wed, 21 Nov 2012 10:42:56 -0800
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Lee Jones <lee.jones@...aro.org>
Cc:	linux-kernel@...r.kernel.org, linux-input@...r.kernel.org
Subject: Re: [PATCH 2/5] Input: bu21013_ts - Move GPIO init and exit
 functions into the driver

Hi Lee,

On Wed, Nov 14, 2012 at 01:47:14PM +0000, Lee Jones wrote:
> @@ -272,6 +276,60 @@ static irqreturn_t bu21013_gpio_irq(int irq, void *device_data)
>  }
>  
>  /**
> + * bu21013_gpio_board_init() - configures the touch panel
> + * @reset_pin: reset pin number
> + *
> + * This function is used to configure the voltage and
> + * reset the touch panel controller.
> + */
> +static int bu21013_gpio_board_init(int reset_pin)
> +{
> +	int retval = 0;
> +
> +	bu21013_devices++;
> +	if (bu21013_devices == 1) {

This does not make sense. If gpio is per-device now then we should
simply set it up and not count devices.

Thanks.

-- 
Dmitry
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