From: Silesh C V <silesh@ti.com>
Date: Mon, 4 Jul 2011 11:10:00 +0000 (-0700)
Subject: omap: HSMMC: Fix GPIO muxing
X-Git-Tag: firefly_0821_release~3680^2~4844^2~6
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5e4698fc4406b8603913a2eff44b7c44c5924ea4;p=firefly-linux-kernel-4.4.55.git

omap: HSMMC: Fix GPIO muxing

Use generic gpio call to check the validity of the gpio. Note that
this includes gpio 0 also which was missing before.

Signed-off-by: Silesh C V <silesh@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---

diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c
index 66868c5d5a29..a9b45c76e1d3 100644
--- a/arch/arm/mach-omap2/hsmmc.c
+++ b/arch/arm/mach-omap2/hsmmc.c
@@ -13,6 +13,7 @@
 #include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/delay.h>
+#include <linux/gpio.h>
 #include <mach/hardware.h>
 #include <plat/mmc.h>
 #include <plat/omap-pm.h>
@@ -213,12 +214,10 @@ static int nop_mmc_set_power(struct device *dev, int slot, int power_on,
 static inline void omap_hsmmc_mux(struct omap_mmc_platform_data *mmc_controller,
 			int controller_nr)
 {
-	if ((mmc_controller->slots[0].switch_pin > 0) && \
-		(mmc_controller->slots[0].switch_pin < OMAP_MAX_GPIO_LINES))
+	if (gpio_is_valid(mmc_controller->slots[0].switch_pin))
 		omap_mux_init_gpio(mmc_controller->slots[0].switch_pin,
 					OMAP_PIN_INPUT_PULLUP);
-	if ((mmc_controller->slots[0].gpio_wp > 0) && \
-		(mmc_controller->slots[0].gpio_wp < OMAP_MAX_GPIO_LINES))
+	if (gpio_is_valid(mmc_controller->slots[0].gpio_wp))
 		omap_mux_init_gpio(mmc_controller->slots[0].gpio_wp,
 					OMAP_PIN_INPUT_PULLUP);
 	if (cpu_is_omap34xx()) {