From mboxrd@z Thu Jan 1 00:00:00 1970 From: swarren@wwwdotorg.org (Stephen Warren) Date: Tue, 16 Jul 2013 09:58:23 -0600 Subject: [PATCH v9] reset: Add driver for gpio-controlled reset pins In-Reply-To: <1373985202-16353-1-git-send-email-p.zabel@pengutronix.de> References: <1373985202-16353-1-git-send-email-p.zabel@pengutronix.de> Message-ID: <51E56D9F.30801@wwwdotorg.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 07/16/2013 08:33 AM, Philipp Zabel wrote: > This driver implements a reset controller device that toggle a gpio > connected to a reset pin of a peripheral IC. The delay between assertion > and de-assertion of the reset signal can be configured via device tree. > > Signed-off-by: Philipp Zabel > Reviewed-by: Stephen Warren > --- > Changes since v8, as suggested by Shawn: > - added support for I2C gpios via gpio_set_value_cansleep > - switched from module_init to arch_initcall to avoid unnecessary > probe deferral of subsys_initcall drivers like gpio-pca953x. For the record, I'm not convinced that either of those changes is correct. From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Warren Subject: Re: [PATCH v9] reset: Add driver for gpio-controlled reset pins Date: Tue, 16 Jul 2013 09:58:23 -0600 Message-ID: <51E56D9F.30801@wwwdotorg.org> References: <1373985202-16353-1-git-send-email-p.zabel@pengutronix.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1373985202-16353-1-git-send-email-p.zabel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org Sender: "devicetree-discuss" To: Philipp Zabel Cc: Marek Vasut , Fabio Estevam , Mike Turquette , Len Brown , Sascha Hauer , "Rafael J. Wysocki" , Pavel Machek , devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, Roger Quadros List-Id: devicetree@vger.kernel.org On 07/16/2013 08:33 AM, Philipp Zabel wrote: > This driver implements a reset controller device that toggle a gpio > connected to a reset pin of a peripheral IC. The delay between assertion > and de-assertion of the reset signal can be configured via device tree. > > Signed-off-by: Philipp Zabel > Reviewed-by: Stephen Warren > --- > Changes since v8, as suggested by Shawn: > - added support for I2C gpios via gpio_set_value_cansleep > - switched from module_init to arch_initcall to avoid unnecessary > probe deferral of subsys_initcall drivers like gpio-pca953x. For the record, I'm not convinced that either of those changes is correct.