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 --- drivers/gpio/mxc_gpio.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-)
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 @@ enum mxc_gpio_direction { #define GPIO_PER_BANK 32
struct mxc_gpio_plat { + int bank_index; struct gpio_regs *regs; };
@@ -259,19 +260,19 @@ static const struct dm_gpio_ops gpio_mxc_ops = { };
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 @@ static int mxc_gpio_probe(struct udevice *dev) 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)