Re: [PATCH] net: ethernet: ti: am65-cpsw-nuss: fix irqs type

From: David Miller
Date: Wed May 06 2020 - 20:53:21 EST


From: Grygorii Strashko <grygorii.strashko@xxxxxx>
Date: Tue, 5 May 2020 19:31:26 +0300

> The K3 INTA driver, which is source TX/RX IRQs for CPSW NUSS, defines IRQs
> triggering type as EDGE by default, but triggering type for CPSW NUSS TX/RX
> IRQs has to be LEVEL as the EDGE triggering type may cause unnecessary IRQs
> triggering and NAPI scheduling for empty queues. It was discovered with
> RT-kernel.
>
> Fix it by explicitly specifying CPSW NUSS TX/RX IRQ type as
> IRQF_TRIGGER_HIGH.
>
> Fixes: 93a76530316a ("net: ethernet: ti: introduce am65x/j721e gigabit eth subsystem driver")
> Signed-off-by: Grygorii Strashko <grygorii.strashko@xxxxxx>

Applied, thanks.