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authorLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>2012-11-29 13:24:07 +0100
committerLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>2013-03-15 13:33:38 +0100
commita373ed0aa229f06e7d699797669b664ef39d97c1 (patch)
tree0fe20a0492d3bd6953fc706eaa97bc28d7e14ff9 /drivers/pinctrl/sh-pfc/core.c
parent24d6b36e91b0503cd1c88b34fa793c0c65fa767d (diff)
downloadlinux-next-a373ed0aa229f06e7d699797669b664ef39d97c1.tar.gz
sh-pfc: Split pins and functions definition tables
Split the GPIOs table into a pins table for real GPIOs and a functions table for function GPIOs. Only register pins with the pinctrl core. The function GPIOs remain accessible as GPIOs. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/sh-pfc/core.c')
-rw-r--r--drivers/pinctrl/sh-pfc/core.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/drivers/pinctrl/sh-pfc/core.c b/drivers/pinctrl/sh-pfc/core.c
index bed2d23e2464..9dee3b911283 100644
--- a/drivers/pinctrl/sh-pfc/core.c
+++ b/drivers/pinctrl/sh-pfc/core.c
@@ -92,13 +92,14 @@ static int sh_pfc_enum_in_range(pinmux_enum_t enum_id, struct pinmux_range *r)
static bool sh_pfc_gpio_is_pin(struct sh_pfc *pfc, unsigned int gpio)
{
return (gpio < pfc->info->nr_pins) &&
- (pfc->info->gpios[gpio].enum_id != 0);
+ (pfc->info->pins[gpio].enum_id != 0);
}
bool sh_pfc_gpio_is_function(struct sh_pfc *pfc, unsigned int gpio)
{
- return (gpio >= pfc->info->nr_pins) && (gpio < pfc->info->nr_gpios) &&
- (pfc->info->gpios[gpio].enum_id != 0);
+ return (gpio >= pfc->info->nr_pins) &&
+ (gpio < pfc->info->nr_pins + pfc->info->nr_func_gpios) &&
+ (pfc->info->func_gpios[gpio - pfc->info->nr_pins].enum_id != 0);
}
static unsigned long sh_pfc_read_raw_reg(void __iomem *mapped_reg,
@@ -234,7 +235,7 @@ static void sh_pfc_write_config_reg(struct sh_pfc *pfc,
static int sh_pfc_setup_data_reg(struct sh_pfc *pfc, unsigned gpio)
{
- struct pinmux_gpio *gpiop = &pfc->info->gpios[gpio];
+ struct pinmux_pin *gpiop = &pfc->info->pins[gpio];
struct pinmux_data_reg *data_reg;
int k, n;
@@ -291,7 +292,7 @@ static void sh_pfc_setup_data_regs(struct sh_pfc *pfc)
int sh_pfc_get_data_reg(struct sh_pfc *pfc, unsigned gpio,
struct pinmux_data_reg **drp, int *bitp)
{
- struct pinmux_gpio *gpiop = &pfc->info->gpios[gpio];
+ struct pinmux_pin *gpiop = &pfc->info->pins[gpio];
int k, n;
if (!sh_pfc_gpio_is_pin(pfc, gpio))
@@ -352,12 +353,16 @@ static int sh_pfc_get_config_reg(struct sh_pfc *pfc, pinmux_enum_t enum_id,
int sh_pfc_gpio_to_enum(struct sh_pfc *pfc, unsigned gpio, int pos,
pinmux_enum_t *enum_idp)
{
- pinmux_enum_t enum_id = pfc->info->gpios[gpio].enum_id;
pinmux_enum_t *data = pfc->info->gpio_data;
+ pinmux_enum_t enum_id;
int k;
- if (!sh_pfc_gpio_is_pin(pfc, gpio) &&
- !sh_pfc_gpio_is_function(pfc, gpio)) {
+ if (sh_pfc_gpio_is_pin(pfc, gpio)) {
+ enum_id = pfc->info->pins[gpio].enum_id;
+ } else if (sh_pfc_gpio_is_function(pfc, gpio)) {
+ unsigned int offset = gpio - pfc->info->nr_pins;
+ enum_id = pfc->info->func_gpios[offset].enum_id;
+ } else {
pr_err("non data/mark enum_id for gpio %d\n", gpio);
return -1;
}