diff options
| author | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2013-03-10 02:19:44 (GMT) |
|---|---|---|
| committer | Simon Horman <horms+renesas@verge.net.au> | 2013-04-03 01:30:35 (GMT) |
| commit | 1a4fd58f76cf331c93daaa1667daa25db297d0d4 (patch) | |
| tree | e304a7cf396808b0bae82c9618b8f10056eddd81 | |
| parent | 542a564d2ddbd2c37536b4dff8e45fa0fc239bcc (diff) | |
| download | linux-1a4fd58f76cf331c93daaa1667daa25db297d0d4.tar.xz | |
sh-pfc: Make GPIO support optional
When implemented as a separate IP block, GPIOs should be handled by a
separate driver. To make this possible GPIO support needs to be optional
in the sh-pfc driver.
If no GPIO data registers are supplied in the SoC information structure
skip registration of the gpiochip.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
| -rw-r--r-- | drivers/pinctrl/sh-pfc/gpio.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/pinctrl/sh-pfc/gpio.c b/drivers/pinctrl/sh-pfc/gpio.c index 7a54ec7..317cebb 100644 --- a/drivers/pinctrl/sh-pfc/gpio.c +++ b/drivers/pinctrl/sh-pfc/gpio.c @@ -354,6 +354,9 @@ int sh_pfc_register_gpiochip(struct sh_pfc *pfc) unsigned int i; int ret; + if (pfc->info->data_regs == NULL) + return 0; + /* Register the real GPIOs chip. */ chip = sh_pfc_add_gpiochip(pfc, gpio_pin_setup); if (IS_ERR(chip)) |