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Commit 67651b29 authored by Mark Brown's avatar Mark Brown
Browse files

spi/s3c64xx: Flush FIFOs prior to cleaning up transfer 



Ensure that the FIFOs are fully drained before we deassert /CS or do any
delays that have been requested in order to ensure that the behaviour
visible on the bus matches that which was requested by the caller.

Signed-off-by: default avatarMark Brown <broonie@linaro.org>
parent 0cab71e7

drivers/spi/spi-s3c64xx.c

+2 −2
Original line number Diff line number Diff line
@@ -960,6 +960,8 @@ static int s3c64xx_spi_transfer_one_message(struct spi_master *master, 
			goto out;

		}



		flush_fifo(sdd);



		if (xfer->delay_usecs)

			udelay(xfer->delay_usecs);
@@ -972,8 +974,6 @@ static int s3c64xx_spi_transfer_one_message(struct spi_master *master, 
		}



		msg->actual_length += xfer->len;



		flush_fifo(sdd);

	}



out: