Re: [PATCH] serial: 8250: 8250_omap: Fix possible interrupt storm
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2021-05-13 14:17:40
Also in:
linux-arm-kernel, linux-omap, lkml
On Tue, May 11, 2021 at 08:49:55PM +0530, Vignesh Raghavendra wrote:
It is possible that RX TIMEOUT is signalled after RX FIFO has been drained, in which case a dummy read of RX FIFO is required to clear RX TIMEOUT condition. Otherwise, RX TIMEOUT condition is not cleared leading to an interrupt storm Cc: stable@vger.kernel.org
How far back does this need to go? What commit id does this fix? What caused this to just show up now vs. previously? thanks, greg k-h