[PATCH v4 4/4] spi: spi-fsl-dspi: Initialize completion before possible interrupt

Krzysztof Kozlowski
2020-06-22T11:06:07Z

The interrupt handler calls completion and is IRQ requested before the
completion is initialized. Logically it should be the other way.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

---

Changes since v2:
1. None

Changes since v1:
1. Rework the commit msg.
---
drivers/spi/spi-fsl-dspi.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c
index e0b30e4b1b69..91c6affe139c 100644
--- a/drivers/spi/spi-fsl-dspi.c
+++ b/drivers/spi/spi-fsl-dspi.c
@@ -1389,6 +1389,8 @@ static int dspi_probe(struct platform_device *pdev)
goto poll_mode;
}

+ init_completion(&dspi->xfer_done);
+
ret = request_threaded_irq(dspi->irq, dspi_interrupt, NULL,
IRQF_SHARED, pdev->name, dspi);
if (ret < 0) {
@@ -1396,8 +1398,6 @@ static int dspi_probe(struct platform_device *pdev)
goto out_clk_put;
}

- init_completion(&dspi->xfer_done);
-
poll_mode:

if (dspi->devtype_data->trans_mode == DSPI_DMA_MODE) {
--
2.17.1