diff options
| -rw-r--r-- | drivers/spi/spi-coldfire-qspi.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/spi/spi-coldfire-qspi.c b/drivers/spi/spi-coldfire-qspi.c index 94d8175..6d78f96 100644 --- a/drivers/spi/spi-coldfire-qspi.c +++ b/drivers/spi/spi-coldfire-qspi.c @@ -133,13 +133,13 @@ static void mcfqspi_cs_deselect(struct mcfqspi *mcfqspi, u8 chip_select, static int mcfqspi_cs_setup(struct mcfqspi *mcfqspi) { - return (mcfqspi->cs_control && mcfqspi->cs_control->setup) ? + return (mcfqspi->cs_control->setup) ? mcfqspi->cs_control->setup(mcfqspi->cs_control) : 0; } static void mcfqspi_cs_teardown(struct mcfqspi *mcfqspi) { - if (mcfqspi->cs_control && mcfqspi->cs_control->teardown) + if (mcfqspi->cs_control->teardown) mcfqspi->cs_control->teardown(mcfqspi->cs_control); } @@ -372,6 +372,11 @@ static int mcfqspi_probe(struct platform_device *pdev) return -ENOENT; } + if (!pdata->cs_control) { + dev_dbg(&pdev->dev, "pdata->cs_control is NULL\n"); + return -EINVAL; + } + master = spi_alloc_master(&pdev->dev, sizeof(*mcfqspi)); if (master == NULL) { dev_dbg(&pdev->dev, "spi_alloc_master failed\n"); |
