gpio: davinci: Move driver local definitions to driver

These defines, structs and inline functions are used only internally by
the driver, they do not belong in platform_data. Move them.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Tested-by: Keerthy <j-keerthy@ti.com>
Acked-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 28 insertions, 0 deletions

diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c
index 121a7948f785..5c1564fcc24e 100644
--- a/drivers/gpio/gpio-davinci.c
+++ b/drivers/gpio/gpio-davinci.c
@@ -9,6 +9,7 @@
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  */
+
 #include <linux/gpio/driver.h>
 #include <linux/errno.h>
 #include <linux/kernel.h>
@@ -24,6 +25,12 @@
 #include <linux/platform_device.h>
 #include <linux/platform_data/gpio-davinci.h>
 #include <linux/irqchip/chained_irq.h>
+#include <linux/spinlock.h>
+
+#include <asm-generic/gpio.h>
+
+#define MAX_REGS_BANKS 5
+#define MAX_INT_PER_BANK 32
 
 struct davinci_gpio_regs {
         u32     dir;
@@ -45,6 +52,27 @@ typedef struct irq_chip *(*gpio_get_irq_chip_cb_t)(unsigned int irq);
 static void __iomem *gpio_base;
 static unsigned int offset_array[5] = {0x10, 0x38, 0x60, 0x88, 0xb0};
 
+struct davinci_gpio_irq_data {
+        void __iomem                    *regs;
+        struct davinci_gpio_controller  *chip;
+        int                             bank_num;
+};
+
+struct davinci_gpio_controller {
+        struct gpio_chip        chip;
+        struct irq_domain       *irq_domain;
+        /* Serialize access to GPIO registers */
+        spinlock_t              lock;
+        void __iomem            *regs[MAX_REGS_BANKS];
+        int                     gpio_unbanked;
+        int                     irqs[MAX_INT_PER_BANK];
+};
+
+static inline u32 __gpio_mask(unsigned gpio)
+{
+        return 1 << (gpio % 32);
+}
+
 static inline struct davinci_gpio_regs __iomem *irq2regs(struct irq_data *d)
 {
         struct davinci_gpio_regs __iomem *g;