From mboxrd@z Thu Jan 1 00:00:00 1970 From: swarren@wwwdotorg.org (Stephen Warren) Date: Thu, 18 Oct 2012 17:33:24 -0600 Subject: [PATCH] pinctrl: reserve pins when states are activated In-Reply-To: <1350554487-7914-1-git-send-email-linus.walleij@stericsson.com> References: <1350554487-7914-1-git-send-email-linus.walleij@stericsson.com> Message-ID: <508091C4.9080008@wwwdotorg.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 10/18/2012 04:01 AM, Linus Walleij wrote: > This switches the way that pins are reserved for multiplexing: The conceptual change makes perfect sense to me. > diff --git a/drivers/pinctrl/pinmux.c b/drivers/pinctrl/pinmux.c > void pinmux_free_setting(struct pinctrl_setting const *setting) ... > + /* > + * If a setting is active, disable it so that all pins are released > + */ > + pinmux_disable_setting(setting); "*If* a setting is active ..." implies there should be a C if statement here to check if the setting is actually active before trying to disable it?