ARM: mx5/babbage: Use gpio_request_one in babbage_fec_reset
authorFabio Estevam <festevam@gmail.com>
Thu, 17 Mar 2011 01:52:31 +0000 (22:52 -0300)
committerSascha Hauer <s.hauer@pengutronix.de>
Wed, 23 Mar 2011 14:07:48 +0000 (15:07 +0100)
Current code inside babbage_fec_reset uses gpio_direction_output with initial value of the GPIO and also sets
the GPIO value via gpio_set_value to the same level right after. This is not needed.

By using gpio_request_one it is possible to set the direction and initial value in one shot.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
arch/arm/mach-mx5/board-mx51_babbage.c

index b2ecd19..bea4e41 100644 (file)
@@ -228,13 +228,12 @@ static inline void babbage_fec_reset(void)
        int ret;
 
        /* reset FEC PHY */
-       ret = gpio_request(BABBAGE_FEC_PHY_RESET, "fec-phy-reset");
+       ret = gpio_request_one(BABBAGE_FEC_PHY_RESET,
+                                       GPIOF_OUT_INIT_LOW, "fec-phy-reset");
        if (ret) {
                printk(KERN_ERR"failed to get GPIO_FEC_PHY_RESET: %d\n", ret);
                return;
        }
-       gpio_direction_output(BABBAGE_FEC_PHY_RESET, 0);
-       gpio_set_value(BABBAGE_FEC_PHY_RESET, 0);
        msleep(1);
        gpio_set_value(BABBAGE_FEC_PHY_RESET, 1);
 }