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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 <xiaoning.wang@nxp.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
hifive-unleashed-5.2
Clark Wang 2019-04-02 12:45:53 +00:00 committed by Mark Brown
parent 703b476695
commit 8863eca8c4
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GPG Key ID: 24D68B725D5487D0
1 changed files with 7 additions and 1 deletions
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8
drivers/spi/spi-fsl-lpspi.c
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@ -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;
}