diff mbox

[PATCH/RFC,352/390] sh-pfc: Make function GPIOs support optional

Message ID 1364525119-31791-353-git-send-email-horms+renesas@verge.net.au (mailing list archive)
State New, archived
Headers show

Commit Message

Simon Horman March 29, 2013, 2:44 a.m. UTC 
From: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>

The target is to get rid of function GPIOs completely. To reach this,
make function GPIOs support optional by skipping the function GPIO chip
registration if no function GPIOS are defined in SoC data.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
(cherry picked from commit bfd1e93511b2a9acec049448e5f1616efcd2505f)

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 drivers/pinctrl/sh-pfc/gpio.c |    3 +++
 1 file changed, 3 insertions(+)
diff mbox

Patch

diff --git a/drivers/pinctrl/sh-pfc/gpio.c b/drivers/pinctrl/sh-pfc/gpio.c
index d7acb06..7a54ec7 100644
--- a/drivers/pinctrl/sh-pfc/gpio.c
+++ b/drivers/pinctrl/sh-pfc/gpio.c
@@ -384,6 +384,9 @@  int sh_pfc_register_gpiochip(struct sh_pfc *pfc)
 	}
 
 	/* Register the function GPIOs chip. */
+	if (pfc->info->nr_func_gpios == 0)
+		return 0;
+
 	chip = sh_pfc_add_gpiochip(pfc, gpio_function_setup);
 	if (IS_ERR(chip))
 		return PTR_ERR(chip);