Blackfin: do not error if GPIO IRQ is requested already as GPIO

Some drivers expect to be able to request both as GPIO and GPIO IRQ, so
allow that use case.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c
index a0678da405328a3cbef29b65a95ac1f00d524f2a..32289b302e79c9f258d716fb2a6ef11867348dd2 100644 (file)
--- a/arch/blackfin/kernel/bfin_gpio.c
+++ b/arch/blackfin/kernel/bfin_gpio.c
@@ -1021,15 +1021,6 @@ int bfin_gpio_irq_request(unsigned gpio, const char *label)
 
        local_irq_save_hw(flags);
 
-       if (unlikely(reserved_gpio_irq_map[gpio_bank(gpio)] & gpio_bit(gpio))) {
-               if (system_state == SYSTEM_BOOTING)
-                       dump_stack();
-               printk(KERN_ERR
-                      "bfin-gpio: GPIO %d is already reserved as gpio-irq !\n",
-                      gpio);
-               local_irq_restore_hw(flags);
-               return -EBUSY;
-       }
        if (unlikely(reserved_peri_map[gpio_bank(gpio)] & gpio_bit(gpio))) {
                if (system_state == SYSTEM_BOOTING)
                        dump_stack();