From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753633Ab1A2P0e (ORCPT ); Sat, 29 Jan 2011 10:26:34 -0500 Received: from smtp-out-140.synserver.de ([212.40.185.140]:1061 "HELO smtp-out-140.synserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752515Ab1A2P0d (ORCPT ); Sat, 29 Jan 2011 10:26:33 -0500 X-Greylist: delayed 398 seconds by postgrey-1.27 at vger.kernel.org; Sat, 29 Jan 2011 10:26:32 EST X-SynServer-TrustedSrc: 1 X-SynServer-AuthUser: lars@laprican.de X-SynServer-PPID: 6485 From: Lars-Peter Clausen To: David Brownell Cc: Eric Miao , Andrew Morton , linux-kernel@vger.kernel.org, Lars-Peter Clausen Subject: [PATCH] gpio: Make gpio_{request,free}_array gpio array parameter const Date: Sat, 29 Jan 2011 16:21:21 +0100 Message-Id: <1296314481-28028-1-git-send-email-lars@metafoo.de> X-Mailer: git-send-email 1.7.2.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org gpio_{request,free}_array should not (and do not) modify the passed gpio array, so make the parameter const. Signed-off-by: Lars-Peter Clausen --- drivers/gpio/gpiolib.c | 4 ++-- include/asm-generic/gpio.h | 4 ++-- include/linux/gpio.h | 4 ++-- 3 files changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 649550e..27016c4 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -1293,7 +1293,7 @@ EXPORT_SYMBOL_GPL(gpio_request_one); * @array: array of the 'struct gpio' * @num: how many GPIOs in the array */ -int gpio_request_array(struct gpio *array, size_t num) +int gpio_request_array(const struct gpio *array, size_t num) { int i, err; @@ -1316,7 +1316,7 @@ EXPORT_SYMBOL_GPL(gpio_request_array); * @array: array of the 'struct gpio' * @num: how many GPIOs in the array */ -void gpio_free_array(struct gpio *array, size_t num) +void gpio_free_array(const struct gpio *array, size_t num) { while (num--) gpio_free((array++)->gpio); diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h index ff5c660..05119e7 100644 --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h @@ -193,8 +193,8 @@ struct gpio { }; extern int gpio_request_one(unsigned gpio, unsigned long flags, const char *label); -extern int gpio_request_array(struct gpio *array, size_t num); -extern void gpio_free_array(struct gpio *array, size_t num); +extern int gpio_request_array(const struct gpio *array, size_t num); +extern void gpio_free_array(const struct gpio *array, size_t num); #ifdef CONFIG_GPIO_SYSFS diff --git a/include/linux/gpio.h b/include/linux/gpio.h index 32720ba..b2b610f 100644 --- a/include/linux/gpio.h +++ b/include/linux/gpio.h @@ -41,7 +41,7 @@ static inline int gpio_request_one(unsigned gpio, return -ENOSYS; } -static inline int gpio_request_array(struct gpio *array, size_t num) +static inline int gpio_request_array(const struct gpio *array, size_t num) { return -ENOSYS; } @@ -54,7 +54,7 @@ static inline void gpio_free(unsigned gpio) WARN_ON(1); } -static inline void gpio_free_array(struct gpio *array, size_t num) +static inline void gpio_free_array(const struct gpio *array, size_t num) { might_sleep(); -- 1.7.2.3