Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

[karo-tx-linux.git] / arch / arm / plat-samsung / gpio-config.c

diff --git a/arch/arm/plat-samsung/gpio-config.c b/arch/arm/plat-samsung/gpio-config.c
index e3d41eaed1ffd9feed571cef0af6bf5bf0841bf2..b732b773b9aff13fcc4a661b5405618aed363756 100644 (file)
--- a/arch/arm/plat-samsung/gpio-config.c
+++ b/arch/arm/plat-samsung/gpio-config.c
@@ -41,6 +41,37 @@ int s3c_gpio_cfgpin(unsigned int pin, unsigned int config)
 }
 EXPORT_SYMBOL(s3c_gpio_cfgpin);
 
+int s3c_gpio_cfgpin_range(unsigned int start, unsigned int nr,
+                         unsigned int cfg)
+{
+       int ret;
+
+       for (; nr > 0; nr--, start++) {
+               ret = s3c_gpio_cfgpin(start, cfg);
+               if (ret != 0)
+                       return ret;
+       }
+
+       return 0;
+}
+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);
@@ -80,6 +111,25 @@ int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull)
 }
 EXPORT_SYMBOL(s3c_gpio_setpull);
 
+s3c_gpio_pull_t s3c_gpio_getpull(unsigned int pin)
+{
+       struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin);
+       unsigned long flags;
+       int offset;
+       u32 pup = 0;
+
+       if (chip) {
+               offset = pin - chip->chip.base;
+
+               s3c_gpio_lock(chip, flags);
+               pup = s3c_gpio_do_getpull(chip, offset);
+               s3c_gpio_unlock(chip, flags);
+       }
+
+       return (__force s3c_gpio_pull_t)pup;
+}
+EXPORT_SYMBOL(s3c_gpio_getpull);
+
 #ifdef CONFIG_S3C_GPIO_CFG_S3C24XX
 int s3c_gpio_setcfg_s3c24xx_a(struct s3c_gpio_chip *chip,
                              unsigned int off, unsigned int cfg)