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sh-pfc: Make function GPIOs support optional

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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>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Laurent Pinchart 2013-03-07 14:31:57 +01:00 committed by Simon Horman
parent 48b1e3e80f
commit 542a564d2d
1 changed files with 3 additions and 0 deletions
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3
drivers/pinctrl/sh-pfc/gpio.c
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@ -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);