Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758272Ab2K0HmR (ORCPT ); Tue, 27 Nov 2012 02:42:17 -0500 Received: from metis.ext.pengutronix.de ([92.198.50.35]:53926 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758047Ab2K0HmQ (ORCPT ); Tue, 27 Nov 2012 02:42:16 -0500 Date: Tue, 27 Nov 2012 08:42:09 +0100 From: Sascha Hauer To: Dmitry Torokhov Cc: Sascha Hauer , Russell King , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Eric =?iso-8859-15?Q?B=E9nard?= Subject: Re: [PATCH] ARM: eukrea_mbimx27-baseboard - use stock get_pendown_state() in ads7846 Message-ID: <20121127074209.GL10369@pengutronix.de> References: <20121124082529.GA7687@core.coreip.homeip.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20121124082529.GA7687@core.coreip.homeip.net> X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-IRC: #ptxdist @freenode X-Accept-Language: de,en X-Accept-Content-Type: text/plain X-Uptime: 08:41:01 up 156 days, 22:52, 46 users, load average: 5.18, 8.13, 16.14 User-Agent: Mutt/1.5.21 (2010-09-15) X-SA-Exim-Connect-IP: 2001:6f8:1178:2:21e:67ff:fe11:9c5c X-SA-Exim-Mail-From: sha@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2081 Lines: 58 On Sat, Nov 24, 2012 at 12:25:30AM -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 > --- > > Not tested - no hardware, but should be fine. > > 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..b20fc55 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 = (GPIO_PORTD | 25), Please use IMX_GPIO_NR(4, 25) instead. Otherwise this looks ok. Eric, ok with you? Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/