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Commit d4b890b0 authored by Michael Hennerich's avatar Michael Hennerich Committed by Mike Frysinger
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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: default avatarMichael Hennerich <michael.hennerich@analog.com>
Signed-off-by: default avatarBryan Wu <cooloney@kernel.org>
Signed-off-by: default avatarMike Frysinger <vapier@gentoo.org>
parent a413647b

arch/blackfin/kernel/bfin_gpio.c

+0 −9
Original line number Diff line number Diff line
@@ -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();