linux_dsm_epyc7002/drivers/media/rc
Heiko Stübner 64657066f5 [media] rc: gpio-ir-recv: don't sleep in irq handler
Don't allow sleep when getting the gpio value in the irq-handler.
On my rk3288 board this results in might_sleep warnings when receiving
data like:

BUG: sleeping function called from invalid context at drivers/gpio/gpiolib.c:1531
in_atomic(): 1, irqs_disabled(): 128, pid: 0, name: swapper/0
CPU: 0 PID: 0 Comm: swapper/0 Tainted: P                4.1.0-rc5+ #2011
Hardware name: Rockchip (Device Tree)
[<c00189a0>] (unwind_backtrace) from [<c0013b04>] (show_stack+0x20/0x24)
[<c0013b04>] (show_stack) from [<c0757970>] (dump_stack+0x8c/0xbc)
[<c0757970>] (dump_stack) from [<c0053188>] (___might_sleep+0x238/0x284)
[<c0053188>] (___might_sleep) from [<c0053264>] (__might_sleep+0x90/0xa4)
[<c0053264>] (__might_sleep) from [<c02ff4ac>] (gpiod_get_raw_value_cansleep+0x28/0x44)
[<c02ff4ac>] (gpiod_get_raw_value_cansleep) from [<bf0363c4>] (gpio_ir_recv_irq+0x24/0x6c [gpio_ir_recv])
[<bf0363c4>] (gpio_ir_recv_irq [gpio_ir_recv]) from [<c008a78c>] (handle_irq_event_percpu+0x164/0x550)
[<c008a78c>] (handle_irq_event_percpu) from [<c008abc4>] (handle_irq_event+0x4c/0x6c)
[<c008abc4>] (handle_irq_event) from [<c008df88>] (handle_edge_irq+0x128/0x150)
[<c008df88>] (handle_edge_irq) from [<c0089edc>] (generic_handle_irq+0x30/0x40)
[<c0089edc>] (generic_handle_irq) from [<c02fc4cc>] (rockchip_irq_demux+0x158/0x210)
[<c02fc4cc>] (rockchip_irq_demux) from [<c0089edc>] (generic_handle_irq+0x30/0x40)
[<c0089edc>] (generic_handle_irq) from [<c008a058>] (__handle_domain_irq+0x98/0xc0)
[<c008a058>] (__handle_domain_irq) from [<c00094a4>] (gic_handle_irq+0x4c/0x70)
[<c00094a4>] (gic_handle_irq) from [<c0014684>] (__irq_svc+0x44/0x5c)

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-06-10 07:48:39 -03:00
..
img-ir
keymaps
ati_remote.c
ene_ir.c
ene_ir.h
fintek-cir.c
fintek-cir.h
gpio-ir-recv.c [media] rc: gpio-ir-recv: don't sleep in irq handler 2015-06-10 07:48:39 -03:00
igorplugusb.c
iguanair.c
imon.c
ir-hix5hd2.c [media] ir-hix5hd2: Fix build warning 2015-05-13 16:16:53 -03:00
ir-jvc-decoder.c
ir-lirc-codec.c
ir-mce_kbd-decoder.c
ir-nec-decoder.c
ir-rc5-decoder.c [media] rc: ir-rc5-decoder: Add encode capability 2015-05-14 14:32:04 -03:00
ir-rc6-decoder.c [media] rc: ir-rc6-decoder: Add encode capability 2015-05-14 14:33:00 -03:00
ir-rx51.c
ir-sanyo-decoder.c
ir-sharp-decoder.c
ir-sony-decoder.c
ir-xmp-decoder.c
ite-cir.c
ite-cir.h
Kconfig
lirc_dev.c
Makefile
mceusb.c
meson-ir.c
nuvoton-cir.c [media] rc: nuvoton-cir: Add support for writing wakeup samples via sysfs filter callback 2015-05-14 14:37:03 -03:00
nuvoton-cir.h [media] rc: nuvoton-cir: Add support for writing wakeup samples via sysfs filter callback 2015-05-14 14:37:03 -03:00
rc-core-priv.h [media] rc: rc-core: Add support for encode_wakeup drivers 2015-05-14 14:34:53 -03:00
rc-ir-raw.c [media] rc: rc-core: Add support for encode_wakeup drivers 2015-05-14 14:34:53 -03:00
rc-loopback.c [media] rc: rc-loopback: Add loopback of filter scancodes 2015-05-14 14:35:59 -03:00
rc-main.c [media] rc: rc-core: Add support for encode_wakeup drivers 2015-05-14 14:34:53 -03:00
redrat3.c [media] ir: Fix IR_MAX_DURATION enforcement 2015-06-05 11:26:42 -03:00
st_rc.c [media] st_rc: fix build warning 2015-05-13 16:24:26 -03:00
streamzap.c [media] ir: Fix IR_MAX_DURATION enforcement 2015-06-05 11:26:42 -03:00
sunxi-cir.c
ttusbir.c
winbond-cir.c