ARM: 5731/2: Fix U300 generic GPIO, remove ifdefs from MMCI v3
The #ifdefs in the MMCI driver were erroneous and just masking
a bug in the U300 generic GPIO implementation. This removes the
ifdefs and fixes the U300 generic GPIO instead.
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-u300/gpio.c b/arch/arm/mach-u300/gpio.c
index 63c8f27..0b35826 100644
--- a/arch/arm/mach-u300/gpio.c
+++ b/arch/arm/mach-u300/gpio.c
@@ -281,6 +281,16 @@
}
EXPORT_SYMBOL(gpio_unregister_callback);
+/* Non-zero means valid */
+int gpio_is_valid(int number)
+{
+ if (number >= 0 &&
+ number < (U300_GPIO_NUM_PORTS * U300_GPIO_PINS_PER_PORT))
+ return 1;
+ return 0;
+}
+EXPORT_SYMBOL(gpio_is_valid);
+
int gpio_request(unsigned gpio, const char *label)
{
if (gpio_pin[gpio].users)