Re: [PATCH] serial: 8250: 8250_omap: Do not start RX DMA on THRI interrupt

[Greg Kroah-Hartman]

On Mon, Oct 30, 2023 at 07:39:51PM +0100, Ronald Wahl wrote:
> Starting RX DMA on THRI interrupt is too early because TX may not have
> finished yet.
> 
> This change is inspired by commit 90b8596ac460 ("serial: 8250: Prevent
> starting up DMA Rx on THRI interrupt") and fixes DMA issues I had with
> an AM62 SoC that is using the 8250 OMAP variant.
> 
> Signed-off-by: Ronald Wahl <ronald.wahl@xxxxxxxxxxx>
> ---
>  drivers/tty/serial/8250/8250_omap.c | 9 +++++----
>  1 file changed, 5 insertions(+), 4 deletions(-)

What commit id does this fix?

thanks,

greg k-h