Commit d989eed2 authored Dec 02, 2016 by Gao Pan Committed by Mark Brown Dec 05, 2016

spi: fsl-lpspi: quit reading rx fifo under error condition



In case that error occurs during waiting for txfifo empty, it is
not necessary to read rx fifo. It's better to return directly.

Signed-off-by: Gao Pan <pandy.gao@nxp.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

parent b6787b68

drivers/spi/spi-fsl-lpspi.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -350,9 +350,12 @@ static int fsl_lpspi_transfer_one(struct spi_master *master,
		}

		ret = fsl_lpspi_txfifo_empty(fsl_lpspi);
		if (ret)
		return ret;

		fsl_lpspi_read_rx_fifo(fsl_lpspi);

		return ret;
		return 0;
		}

		static int fsl_lpspi_transfer_one_msg(struct spi_master *master,