dm:gpio:mxc add a bank_index entry in platdata
Add a new entry in platdata structure and intialize
bank_index in mxc_plat array.
This new entry can avoid using `plat - mxc_plat` by using
`plat->bank_index`.
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/gpio/mxc_gpio.c b/drivers/gpio/mxc_gpio.c
index 8bb9e39..c52dd19 100644
--- a/drivers/gpio/mxc_gpio.c
+++ b/drivers/gpio/mxc_gpio.c
@@ -23,6 +23,7 @@
#define GPIO_PER_BANK 32
struct mxc_gpio_plat {
+ int bank_index;
struct gpio_regs *regs;
};
@@ -259,19 +260,19 @@
};
static const struct mxc_gpio_plat mxc_plat[] = {
- { (struct gpio_regs *)GPIO1_BASE_ADDR },
- { (struct gpio_regs *)GPIO2_BASE_ADDR },
- { (struct gpio_regs *)GPIO3_BASE_ADDR },
+ { 0, (struct gpio_regs *)GPIO1_BASE_ADDR },
+ { 1, (struct gpio_regs *)GPIO2_BASE_ADDR },
+ { 2, (struct gpio_regs *)GPIO3_BASE_ADDR },
#if defined(CONFIG_MX25) || defined(CONFIG_MX27) || defined(CONFIG_MX51) || \
defined(CONFIG_MX53) || defined(CONFIG_MX6)
- { (struct gpio_regs *)GPIO4_BASE_ADDR },
+ { 3, (struct gpio_regs *)GPIO4_BASE_ADDR },
#endif
#if defined(CONFIG_MX27) || defined(CONFIG_MX53) || defined(CONFIG_MX6)
- { (struct gpio_regs *)GPIO5_BASE_ADDR },
- { (struct gpio_regs *)GPIO6_BASE_ADDR },
+ { 4, (struct gpio_regs *)GPIO5_BASE_ADDR },
+ { 5, (struct gpio_regs *)GPIO6_BASE_ADDR },
#endif
#if defined(CONFIG_MX53) || defined(CONFIG_MX6)
- { (struct gpio_regs *)GPIO7_BASE_ADDR },
+ { 6, (struct gpio_regs *)GPIO7_BASE_ADDR },
#endif
};
@@ -283,7 +284,7 @@
int banknum;
char name[18], *str;
- banknum = plat - mxc_plat;
+ banknum = plat->bank_index;
sprintf(name, "GPIO%d_", banknum + 1);
str = strdup(name);
if (!str)