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

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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@xxxxxxxxxxxxxxx

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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