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dm:gpio:mxc add a bank_index entry in platdata

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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>
This commit is contained in:
Peng Fan 2015-02-10 14:46:33 +08:00 committed by Simon Glass
parent c9cac3f841
commit 637a769318
1 changed files with 9 additions and 8 deletions
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17
drivers/gpio/mxc_gpio.c
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@ -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)