Merge branch 'gpio-for-grant' of git://sources.calxeda.com/kernel/linux into gpio...
[linux-2.6.git] / drivers / gpio / gpio-da9052.c
index 58ac377..56dd047 100644 (file)
@@ -22,7 +22,6 @@
 #include <linux/mfd/da9052/da9052.h>
 #include <linux/mfd/da9052/reg.h>
 #include <linux/mfd/da9052/pdata.h>
-#include <linux/mfd/da9052/gpio.h>
 
 #define DA9052_INPUT                           1
 #define DA9052_OUTPUT_OPENDRAIN                2
@@ -43,6 +42,9 @@
 #define DA9052_GPIO_MASK_UPPER_NIBBLE          0xF0
 #define DA9052_GPIO_MASK_LOWER_NIBBLE          0x0F
 #define DA9052_GPIO_NIBBLE_SHIFT               4
+#define DA9052_IRQ_GPI0                        16
+#define DA9052_GPIO_ODD_SHIFT                  7
+#define DA9052_GPIO_EVEN_SHIFT                 3
 
 struct da9052_gpio {
        struct da9052 *da9052;
@@ -104,33 +106,26 @@ static int da9052_gpio_get(struct gpio_chip *gc, unsigned offset)
 static void da9052_gpio_set(struct gpio_chip *gc, unsigned offset, int value)
 {
        struct da9052_gpio *gpio = to_da9052_gpio(gc);
-       unsigned char register_value = 0;
        int ret;
 
        if (da9052_gpio_port_odd(offset)) {
-               if (value) {
-                       register_value = DA9052_GPIO_ODD_PORT_MODE;
                        ret = da9052_reg_update(gpio->da9052, (offset >> 1) +
                                                DA9052_GPIO_0_1_REG,
                                                DA9052_GPIO_ODD_PORT_MODE,
-                                               register_value);
+                                               value << DA9052_GPIO_ODD_SHIFT);
                        if (ret != 0)
                                dev_err(gpio->da9052->dev,
                                        "Failed to updated gpio odd reg,%d",
                                        ret);
-               }
        } else {
-               if (value) {
-                       register_value = DA9052_GPIO_EVEN_PORT_MODE;
                        ret = da9052_reg_update(gpio->da9052, (offset >> 1) +
                                                DA9052_GPIO_0_1_REG,
                                                DA9052_GPIO_EVEN_PORT_MODE,
-                                               register_value);
+                                               value << DA9052_GPIO_EVEN_SHIFT);
                        if (ret != 0)
                                dev_err(gpio->da9052->dev,
                                        "Failed to updated gpio even reg,%d",
                                        ret);
-               }
        }
 }
 
@@ -201,9 +196,9 @@ static struct gpio_chip reference_gp __devinitdata = {
        .direction_input = da9052_gpio_direction_input,
        .direction_output = da9052_gpio_direction_output,
        .to_irq = da9052_gpio_to_irq,
-       .can_sleep = 1;
-       .ngpio = 16;
-       .base = -1;
+       .can_sleep = 1,
+       .ngpio = 16,
+       .base = -1,
 };
 
 static int __devinit da9052_gpio_probe(struct platform_device *pdev)