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    SubjectRe: [PATCH] serial: 8250: 8250_omap: Fix possible interrupt storm
    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

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