diff options
| author | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2013-03-10 17:30:25 +0100 |
|---|---|---|
| committer | Simon Horman <horms+renesas@verge.net.au> | 2013-04-03 10:30:36 +0900 |
| commit | e3c470510babd8ed385f1e09ec616787022b77b1 (patch) | |
| tree | e45369241c4a8f4182fe82fe65a0ddb24822eb67 /drivers/pinctrl/sh-pfc/pinctrl.c | |
| parent | ceef91dcc0bca0a39c54d2f0071848b6d5c66b88 (diff) | |
| download | linux-e3c470510babd8ed385f1e09ec616787022b77b1.tar.bz2 | |
sh-pfc: Configure pins as GPIOs at request time when handled externally
When a GPIO is handled by a separate driver the pinmux
gpio_set_direction() handler won't be called. The pin mux type then need
to be configured to GPIO at request time.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'drivers/pinctrl/sh-pfc/pinctrl.c')
| -rw-r--r-- | drivers/pinctrl/sh-pfc/pinctrl.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/pinctrl/sh-pfc/pinctrl.c b/drivers/pinctrl/sh-pfc/pinctrl.c index aef268bc17ba..3492ec9a33b7 100644 --- a/drivers/pinctrl/sh-pfc/pinctrl.c +++ b/drivers/pinctrl/sh-pfc/pinctrl.c @@ -182,6 +182,17 @@ static int sh_pfc_gpio_request_enable(struct pinctrl_dev *pctldev, goto done; } + if (!pfc->gpio) { + /* If GPIOs are handled externally the pin mux type need to be + * set to GPIO here. + */ + const struct sh_pfc_pin *pin = &pfc->info->pins[idx]; + + ret = sh_pfc_config_mux(pfc, pin->enum_id, PINMUX_TYPE_GPIO); + if (ret < 0) + goto done; + } + cfg->type = PINMUX_TYPE_GPIO; ret = 0; |