ARM: SAMSUNG: Add spinlock locking to GPIO banks
Add locking to each GPIO bank to allow for SMP capable code
to use the gpiolib functions. See the gpio-core.h header file
for more information.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
diff --git a/arch/arm/plat-samsung/gpio-config.c b/arch/arm/plat-samsung/gpio-config.c
index 3282db3..a76eef5 100644
--- a/arch/arm/plat-samsung/gpio-config.c
+++ b/arch/arm/plat-samsung/gpio-config.c
@@ -33,9 +33,9 @@
offset = pin - chip->chip.base;
- local_irq_save(flags);
+ s3c_gpio_lock(chip, flags);
ret = s3c_gpio_do_setcfg(chip, offset, config);
- local_irq_restore(flags);
+ s3c_gpio_unlock(chip, flags);
return ret;
}
@@ -51,9 +51,9 @@
if (chip) {
offset = pin - chip->chip.base;
- local_irq_save(flags);
+ s3c_gpio_lock(chip, flags);
ret = s3c_gpio_do_getcfg(chip, offset);
- local_irq_restore(flags);
+ s3c_gpio_unlock(chip, flags);
}
return ret;
@@ -72,9 +72,9 @@
offset = pin - chip->chip.base;
- local_irq_save(flags);
+ s3c_gpio_lock(chip, flags);
ret = s3c_gpio_do_setpull(chip, offset, pull);
- local_irq_restore(flags);
+ s3c_gpio_unlock(chip, flags);
return ret;
}