UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

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>
This commit is contained in:
Michael Hennerich 2009-04-16 12:38:34 +00:00 committed by Mike Frysinger
parent a413647bb5
commit d4b890b0cd
1 changed files with 0 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
arch/blackfin/kernel/bfin_gpio.c
View File

@ -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();