Commit 14de3918 authored Nov 24, 2016 by Gao Pan Committed by Mark Brown Nov 25, 2016

spi: imx: replace schedule() with cond_resched()



It's more rational that just do the schedule when necessary
other than do it every time. Thus, it's better to replace
schedule() with cond_resched() in fsl_lpspi_txfifo_empty(),
which contributes to saving cpu time.

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

parent e3a49390

drivers/spi/spi-fsl-lpspi.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -176,7 +176,7 @@ static int fsl_lpspi_txfifo_empty(struct fsl_lpspi_data *fsl_lpspi)
		dev_dbg(fsl_lpspi->dev, "txfifo empty timeout\n");
		return -ETIMEDOUT;
		}
		schedule();
		cond_resched();

		} while (txcnt);