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Date: Tue, 4 Dec 2012 13:09:22 -0800 From: Dmitry Torokhov <dmitry.torokhov@...il.com> To: Sascha Hauer <s.hauer@...gutronix.de> Cc: Sascha Hauer <kernel@...gutronix.de>, Russell King <linux@....linux.org.uk>, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, Eric BĂ©nard <ebenard@...rea.com> Subject: Re: [PATCH v2] ARM: eukrea_mbimx27-baseboard - use stock get_pendown_state() in ads7846 On Tue, Nov 27, 2012 at 01:03:56AM -0800, Dmitry Torokhov wrote: > The default implementation matches exactly our custom one so we can switch > to using the default one. As a bonus the driver will take care of setting > GPIO line for us. > > Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com> Eric, Sascha, could I get a formal ack on this one please ? > --- > > Adjusted to use IMX_GPIO_NR() macro. > > arch/arm/mach-imx/eukrea_mbimx27-baseboard.c | 19 +------------------ > 1 file changed, 1 insertion(+), 18 deletions(-) > > diff --git a/arch/arm/mach-imx/eukrea_mbimx27-baseboard.c b/arch/arm/mach-imx/eukrea_mbimx27-baseboard.c > index 98aef57..f361143 100644 > --- a/arch/arm/mach-imx/eukrea_mbimx27-baseboard.c > +++ b/arch/arm/mach-imx/eukrea_mbimx27-baseboard.c > @@ -238,24 +238,8 @@ static const struct imxuart_platform_data uart_pdata __initconst = { > .flags = IMXUART_HAVE_RTSCTS, > }; > > -#define ADS7846_PENDOWN (GPIO_PORTD | 25) > - > -static void __maybe_unused ads7846_dev_init(void) > -{ > - if (gpio_request(ADS7846_PENDOWN, "ADS7846 pendown") < 0) { > - printk(KERN_ERR "can't get ads7846 pen down GPIO\n"); > - return; > - } > - gpio_direction_input(ADS7846_PENDOWN); > -} > - > -static int ads7846_get_pendown_state(void) > -{ > - return !gpio_get_value(ADS7846_PENDOWN); > -} > - > static struct ads7846_platform_data ads7846_config __initdata = { > - .get_pendown_state = ads7846_get_pendown_state, > + .gpio_pendown = IMX_GPIO_NR(4, 25), > .keep_vref_on = 1, > }; > > @@ -323,7 +307,6 @@ void __init eukrea_mbimx27_baseboard_init(void) > || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) > /* ADS7846 Touchscreen controller init */ > mxc_gpio_mode(GPIO_PORTD | 25 | GPIO_GPIO | GPIO_IN); > - ads7846_dev_init(); > #endif > > /* SPI_CS0 init */ -- Dmitry -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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