| Commit message (Collapse) | Author | Age | Files | Lines |
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get platform_data from gpio_keys_button_dev.pdata, and fix a illegal pointer
dereference like this:
[ 51.143776] gpio-keys-polled gpio-keys-polled: missing poll_interval value
[ 51.150852] gpio-keys-polled: probe of gpio-keys-polled failed with error -22
[ 828.159993] gpio-keys-polled gpio-keys-polled: no memory for button data
[ 828.166821] gpio-keys-polled: probe of gpio-keys-polled failed with error -12
Signed-off-by: Furong Xu <xfr@outlook.com>
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Add licence tags where missing.
Signed-off-by: Florian Eckert <fe@dev.tdt.de>
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The keycodes are used by some boards.
Signed-off-by: Mathias Kresin <dev@kresin.me>
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Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Without the IRQF_ONESHOT flag in devm_request_threaded_irq() call I get
following error:
genirq: Threaded irq requested with handler=NULL and !ONESHOT for irq 56
gpio-keys gpio-keys: failed to request irq:56 for gpio:20
>From kernel/irq/manage.c:
The interrupt was requested with handler = NULL, so we use the default
primary handler for it. But it does not have the oneshot flag set. In
combination with level interrupts this is deadly, because the default
primary handler just wakes the thread, then the irq lines is reenabled,
but the device still has the level irq asserted. Rinse and repeat....
While this works for edge type interrupts, we play it safe and reject
unconditionally because we can't say for sure which type this interrupt
really has. The type flags are unreliable as the underlying chip
implementation can override them.
Signed-off-by: Petr Štetiar <ynezz@true.cz>
SVN-Revision: 48894
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Many gpio controllers 'cansleep' due to the fact that they are behind busses
e.g. i2c etc.
Using threaded irq's allows for 'sleep-able' gpio's to be used.
Signed-off-by: Pushpal Sidhu <psidhu@gateworks.com>
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
SVN-Revision: 48696
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of_get_gpio_flags() could return an error like EPROBE_DEFER which was
not handled before. This patch takes the code from gpio_keys_polled.c
for error handling and also improves some other unrelated small parts.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
SVN-Revision: 46502
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 44110
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kernels (fixes #16413)
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 40838
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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
SVN-Revision: 40765
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3.3 kernels do not have the required changes which would make
gpio-button-hotplug work, disallow building on those kernels for now.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
SVN-Revision: 39903
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The wimax key will be used as a generic wwan key starting with Linux
3.13. The brcm47xx target uses this key for the 3g buttons. Also remove
the ifdef around KEY_WPS_BUTTON, this is in the kernel for a long time
now.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
SVN-Revision: 39290
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Don't call gpio_keys_remove recursively. Setting the platform
data to NULL triggered an oops on the second iteration, so there was
no infinate loop.
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
SVN-Revision: 39124
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Signed-off-by: John Crispin <blogic@openwrt.org>
SVN-Revision: 39021
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Signed-off-by: John Crispin <blogic@openwrt.org>
SVN-Revision: 38725
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Signed-off-by: John Crispin <blogic@openwrt.org>
SVN-Revision: 38557
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boot time might be wrong
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 37702
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 37665
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 37664
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TL-WR720N-v3 has a slider switch composed of 2 GPIO buttons which can be
used to swtich between 3 positions. At leat 1 button is in pressed state
in any of those positions. Initialize 'last_state' as 0 (released) will
cause the device to automatically enter failsafe mode on every bootup.
Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
SVN-Revision: 37643
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Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
SVN-Revision: 37642
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Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
SVN-Revision: 37641
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Signed-off-by: Luka Perkov <luka@openwrt.org>
SVN-Revision: 37130
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over multiple polls. fixes spurious failsafe triggers (#13784)
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 37090
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Signed-off-by: John Crispin <blogic@openwrt.org>
SVN-Revision: 37007
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