From a19a00c51df5c3ead4d64ea3136f5bce60b2e6af Mon Sep 17 00:00:00 2001
From: Clark Wang <xiaoning.wang@nxp.com>
Date: Tue, 2 Apr 2019 19:51:49 +0800
Subject: [PATCH] MLK-21313 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 in some situations.
Signed-off-by: Clark Wang <xiaoning.wang@nxp.com>
---
drivers/spi/spi-fsl-lpspi.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/spi/spi-fsl-lpspi.c b/drivers/spi/spi-fsl-lpspi.c
index de32edbd618a81..a3d3abfefbb7a3 100644
--- a/drivers/spi/spi-fsl-lpspi.c
+++ b/drivers/spi/spi-fsl-lpspi.c
@@ -486,7 +486,12 @@ 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;
}
--
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