arm: omap2plus: GPIO cleanup

use gpio_request_<one|array>() instead of multiple gpiolib calls,
remove unneeded variables, etc.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/gpmc-smc91x.c b/arch/arm/mach-omap2/gpmc-smc91x.c
index 877c6f5..ba10c24 100644
--- a/arch/arm/mach-omap2/gpmc-smc91x.c
+++ b/arch/arm/mach-omap2/gpmc-smc91x.c
@@ -147,25 +147,24 @@
 			goto free1;
 	}
 
-	if (gpio_request(gpmc_cfg->gpio_irq, "SMC91X irq") < 0)
+	if (gpio_request_one(gpmc_cfg->gpio_irq, GPIOF_IN, "SMC91X irq") < 0)
 		goto free1;
 
-	gpio_direction_input(gpmc_cfg->gpio_irq);
 	gpmc_smc91x_resources[1].start = gpio_to_irq(gpmc_cfg->gpio_irq);
 
 	if (gpmc_cfg->gpio_pwrdwn) {
-		ret = gpio_request(gpmc_cfg->gpio_pwrdwn, "SMC91X powerdown");
+		ret = gpio_request_one(gpmc_cfg->gpio_pwrdwn,
+				       GPIOF_OUT_INIT_LOW, "SMC91X powerdown");
 		if (ret)
 			goto free2;
-		gpio_direction_output(gpmc_cfg->gpio_pwrdwn, 0);
 	}
 
 	if (gpmc_cfg->gpio_reset) {
-		ret = gpio_request(gpmc_cfg->gpio_reset, "SMC91X reset");
+		ret = gpio_request_one(gpmc_cfg->gpio_reset,
+				       GPIOF_OUT_INIT_LOW, "SMC91X reset");
 		if (ret)
 			goto free3;
 
-		gpio_direction_output(gpmc_cfg->gpio_reset, 0);
 		gpio_set_value(gpmc_cfg->gpio_reset, 1);
 		msleep(100);
 		gpio_set_value(gpmc_cfg->gpio_reset, 0);