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author | Sudeep Holla <sudeep.holla@arm.com> | 2016-11-16 17:01:26 -0800 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2016-11-17 09:16:33 -0800 |
commit | dadbb0aa363bf1233f75cab23977add69d197e23 (patch) | |
tree | 96c3b67ec3568e8b9c7e04bb31f46e1c03ad6e0b /drivers/input/serio | |
parent | fac96cc9f8679e31a244f98bed5983fe220e295c (diff) | |
download | linux-dadbb0aa363bf1233f75cab23977add69d197e23.tar.bz2 |
Input: gpio_keys - set input direction explicitly
Commit 700a38b27eef ("Input: gpio_keys - switch to using generic device
properties") switched to use generic device properties for GPIO keys and
commit 5feeca3c1e39 ("Input: gpio_keys - add support for GPIO descriptors")
switched from legacy GPIO numbers to GPIO descriptors.
Previously devm_gpio_request_one was explicitly passed GPIOF_DIR_IN flag
to set the GPIO direction as input. However devm_get_gpiod_from_child
doesn't have such provisions and hence fwnode_get_named_gpiod can't set
it as input.
This breaks few platforms with the following error:
" gpiochip_lock_as_irq: tried to flag a GPIO set as output for IRQ
unable to lock HW IRQ <n> for IRQ
genirq: Failed to request resources for POWER (irq <x>) on irqchip
gpio_keys: Unable to claim irq <x>; error -22
gpio-keys: probe failed with error -22 "
This patch fixes the issue by setting input direction explicitly for
gpio lines described by generic properties.
Fixes: 700a38b27eef ("Input: gpio_keys - switch to using generic device properties")
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input/serio')
0 files changed, 0 insertions, 0 deletions