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Michal Piekos
70f8915ea4
Fixes kernel hang during boot due to inability to set up IRQ on AXP313a.
The issue is caused by gpiochip_lock_as_irq() which is failing when gpio
is in uninitialized state.
Solution is to set pinmux to GPIO INPUT in
sunxi_pinctrl_irq_request_resources() if it wasn't initialized
earlier.
Tested on Orange Pi Zero 3.
Fixes: 01e10d0272 ("pinctrl: sunxi: Implement gpiochip::get_direction()")
Reviewed-by: Andre Przywara <[email protected]>
Reviewed-by: Chen-Yu Tsai <[email protected]>
Signed-off-by: Michal Piekos <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>