1 files changed, 27 insertions, 13 deletions

diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index 55059a24ad41..76f721d85137 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -140,7 +140,7 @@ static struct gpio_bank gpio_bank_1610[5] = {
 };
 #endif
 
-#ifdef CONFIG_ARCH_OMAP1510
+#ifdef CONFIG_ARCH_OMAP15XX
 static struct gpio_bank gpio_bank_1510[2] = {
         { OMAP_MPUIO_BASE,    INT_MPUIO,      IH_MPUIO_BASE, METHOD_MPUIO },
         { OMAP1510_GPIO_BASE, INT_GPIO_BANK1, IH_GPIO_BASE,  METHOD_GPIO_1510 }
@@ -173,7 +173,7 @@ static int gpio_bank_count;
 
 static inline struct gpio_bank *get_gpio_bank(int gpio)
 {
-#ifdef CONFIG_ARCH_OMAP1510
+#ifdef CONFIG_ARCH_OMAP15XX
         if (cpu_is_omap1510()) {
                 if (OMAP_GPIO_IS_MPUIO(gpio))
                         return &gpio_bank[0];
@@ -222,7 +222,7 @@ static inline int gpio_valid(int gpio)
                         return -1;
                 return 0;
         }
-#ifdef CONFIG_ARCH_OMAP1510
+#ifdef CONFIG_ARCH_OMAP15XX
         if (cpu_is_omap1510() && gpio < 16)
                 return 0;
 #endif
@@ -654,7 +654,7 @@ int omap_request_gpio(int gpio)
         /* Set trigger to none. You need to enable the trigger after request_irq */
         _set_gpio_triggering(bank, get_gpio_index(gpio), IRQT_NOEDGE);
 
-#ifdef CONFIG_ARCH_OMAP1510
+#ifdef CONFIG_ARCH_OMAP15XX
         if (bank->method == METHOD_GPIO_1510) {
                 void __iomem *reg;
 
@@ -739,7 +739,7 @@ static void gpio_irq_handler(unsigned int irq, struct irqdesc *desc,
         bank = (struct gpio_bank *) desc->data;
         if (bank->method == METHOD_MPUIO)
                 isr_reg = bank->base + OMAP_MPUIO_GPIO_INT;
-#ifdef CONFIG_ARCH_OMAP1510
+#ifdef CONFIG_ARCH_OMAP15XX
         if (bank->method == METHOD_GPIO_1510)
                 isr_reg = bank->base + OMAP1510_GPIO_INT_STATUS;
 #endif
@@ -774,7 +774,7 @@ static void gpio_irq_handler(unsigned int irq, struct irqdesc *desc,
                         d = irq_desc + gpio_irq;
                         desc_handle_irq(gpio_irq, d, regs);
                 }
-        }
+        }
 }
 
 static void gpio_ack_irq(unsigned int irq)
@@ -837,8 +837,9 @@ static struct irqchip mpuio_irq_chip = {
         .unmask = mpuio_unmask_irq
 };
 
-static int initialized = 0;
-static struct clk * gpio_ck = NULL;
+static int initialized;
+static struct clk * gpio_ick;
+static struct clk * gpio_fck;
 
 static int __init _omap_gpio_init(void)
 {
@@ -848,14 +849,26 @@ static int __init _omap_gpio_init(void)
         initialized = 1;
 
         if (cpu_is_omap1510()) {
-                gpio_ck = clk_get(NULL, "arm_gpio_ck");
-                if (IS_ERR(gpio_ck))
+                gpio_ick = clk_get(NULL, "arm_gpio_ck");
+                if (IS_ERR(gpio_ick))
                         printk("Could not get arm_gpio_ck\n");
                 else
-                        clk_use(gpio_ck);
+                        clk_use(gpio_ick);
+        }
+        if (cpu_is_omap24xx()) {
+                gpio_ick = clk_get(NULL, "gpios_ick");
+                if (IS_ERR(gpio_ick))
+                        printk("Could not get gpios_ick\n");
+                else
+                        clk_use(gpio_ick);
+                gpio_fck = clk_get(NULL, "gpios_fck");
+                if (IS_ERR(gpio_ick))
+                        printk("Could not get gpios_fck\n");
+                else
+                        clk_use(gpio_fck);
         }
 
-#ifdef CONFIG_ARCH_OMAP1510
+#ifdef CONFIG_ARCH_OMAP15XX
         if (cpu_is_omap1510()) {
                 printk(KERN_INFO "OMAP1510 GPIO hardware\n");
                 gpio_bank_count = 2;
@@ -901,7 +914,7 @@ static int __init _omap_gpio_init(void)
                 if (bank->method == METHOD_MPUIO) {
                         omap_writew(0xFFFF, OMAP_MPUIO_BASE + OMAP_MPUIO_GPIO_MASKIT);
                 }
-#ifdef CONFIG_ARCH_OMAP1510
+#ifdef CONFIG_ARCH_OMAP15XX
                 if (bank->method == METHOD_GPIO_1510) {
                         __raw_writew(0xffff, bank->base + OMAP1510_GPIO_INT_MASK);
                         __raw_writew(0x0000, bank->base + OMAP1510_GPIO_INT_STATUS);
@@ -1038,6 +1051,7 @@ static struct sys_device omap_gpio_device = {
 
 /*
  * This may get called early from board specific init
+ * for boards that have interrupts routed via FPGA.
  */
 int omap_gpio_init(void)
 {