ARM: SAMSUNG: Add s3c_gpio_cfgall_range() function

Add a function to configure a range of GPIOs function and
pull in one go, mainly for the SDHCI and framebuffer helpers
which tend to do this.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
[kgene.kim@samsung.com: Fix small comments]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

1 files changed, 16 insertions, 0 deletions

diff --git a/arch/arm/plat-samsung/gpio-config.c b/arch/arm/plat-samsung/gpio-config.c
index fa180dcc41ce..8a372110a850 100644
--- a/arch/arm/plat-samsung/gpio-config.c
+++ b/arch/arm/plat-samsung/gpio-config.c
@@ -56,6 +56,22 @@ int s3c_gpio_cfgpin_range(unsigned int start, unsigned int nr,
 }
 EXPORT_SYMBOL_GPL(s3c_gpio_cfgpin_range);
 
+int s3c_gpio_cfgall_range(unsigned int start, unsigned int nr,
+                          unsigned int cfg, s3c_gpio_pull_t pull)
+{
+        int ret;
+
+        for (; nr > 0; nr--, start++) {
+                s3c_gpio_setpull(start, pull);
+                ret = s3c_gpio_cfgpin(start, cfg);
+                if (ret != 0)
+                        return ret;
+        }
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(s3c_gpio_cfgall_range);
+
 unsigned s3c_gpio_getcfg(unsigned int pin)
 {
         struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin);