diff options
Diffstat (limited to 'drivers/sh/pfc.c')
| -rw-r--r-- | drivers/sh/pfc.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/drivers/sh/pfc.c b/drivers/sh/pfc.c index 75934e3ea34e..e67fe170d8d5 100644 --- a/drivers/sh/pfc.c +++ b/drivers/sh/pfc.c @@ -217,7 +217,7 @@ static int get_config_reg(struct pinmux_info *gpioc, pinmux_enum_t enum_id, if (!r_width) break; - for (n = 0; n < (r_width / f_width) * 1 << f_width; n++) { + for (n = 0; n < (r_width / f_width) * (1 << f_width); n++) { if (config_reg->enum_ids[n] == enum_id) { *crp = config_reg; *indexp = n; @@ -577,6 +577,32 @@ static void sh_gpio_set(struct gpio_chip *chip, unsigned offset, int value) sh_gpio_set_value(chip_to_pinmux(chip), offset, value); } +static int sh_gpio_to_irq(struct gpio_chip *chip, unsigned offset) +{ + struct pinmux_info *gpioc = chip_to_pinmux(chip); + pinmux_enum_t enum_id; + pinmux_enum_t *enum_ids; + int i, k, pos; + + pos = 0; + enum_id = 0; + while (1) { + pos = get_gpio_enum_id(gpioc, offset, pos, &enum_id); + if (pos <= 0 || !enum_id) + break; + + for (i = 0; i < gpioc->gpio_irq_size; i++) { + enum_ids = gpioc->gpio_irq[i].enum_ids; + for (k = 0; enum_ids[k]; k++) { + if (enum_ids[k] == enum_id) + return gpioc->gpio_irq[i].irq; + } + } + } + + return -ENOSYS; +} + int register_pinmux(struct pinmux_info *pip) { struct gpio_chip *chip = &pip->chip; @@ -592,6 +618,7 @@ int register_pinmux(struct pinmux_info *pip) chip->get = sh_gpio_get; chip->direction_output = sh_gpio_direction_output; chip->set = sh_gpio_set; + chip->to_irq = sh_gpio_to_irq; WARN_ON(pip->first_gpio != 0); /* needs testing */ |