This driver bit-bangs a signal with interrupts disabled. The signal can last for up to half a second (IR_MAX_DURATION). A much better way of transmitting IR is using the pwm-ir-tx driver, which does not disable interrupts. Signed-off-by: Sean Young <sean@xxxxxxxx> --- drivers/media/rc/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/media/rc/Kconfig b/drivers/media/rc/Kconfig index 74d69ce22a33e..0a8aeafdb7e07 100644 --- a/drivers/media/rc/Kconfig +++ b/drivers/media/rc/Kconfig @@ -184,6 +184,7 @@ config IR_GPIO_TX tristate "GPIO IR Bit Banging Transmitter" depends on LIRC depends on (OF && GPIOLIB) || COMPILE_TEST + depends on !PREEMPT_RT help Say Y if you want to a GPIO based IR transmitter. This is a bit banging driver. -- 2.46.1