On Thu, Dec 13, 2018 at 07:44:43PM +0100, Geert Uytterhoeven wrote: > On (H)SCIF, sci_submit_rx() is called in the receive interrupt handler. > Hence if DMA submission fails, the interrupt handler should resume > handling reception using PIO, else no more data is received. > > Make sci_submit_rx() return an error indicator, so the receive interrupt > handler can act appropriately. > > Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> Acked-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
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