From 8863eca8c46affaa91ae35390b00358b925483eb Mon Sep 17 00:00:00 2001 From: Clark Wang Date: Tue, 2 Apr 2019 12:45:53 +0000 Subject: spi: lpspi: add missing complete in abort func at dma mode Add the missing complete operations for dma_completion to fix the problem of blocking at the wait_for_completion_interruptible() function when use spi_slave_abort(). Signed-off-by: Clark Wang Signed-off-by: Mark Brown --- drivers/spi/spi-fsl-lpspi.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'drivers/spi') diff --git a/drivers/spi/spi-fsl-lpspi.c b/drivers/spi/spi-fsl-lpspi.c index 4de8eb378752..2ad9d6262c2b 100644 --- a/drivers/spi/spi-fsl-lpspi.c +++ b/drivers/spi/spi-fsl-lpspi.c @@ -482,7 +482,13 @@ static int fsl_lpspi_slave_abort(struct spi_controller *controller) spi_controller_get_devdata(controller); fsl_lpspi->slave_aborted = true; - complete(&fsl_lpspi->xfer_done); + if (!fsl_lpspi->usedma) + complete(&fsl_lpspi->xfer_done); + else { + complete(&fsl_lpspi->dma_tx_completion); + complete(&fsl_lpspi->dma_rx_completion); + } + return 0; } -- cgit v1.2.3-55-g7522