spi: Fix WARN when removing spi-fsl-spi module

[karo-tx-linux.git] / drivers / spi / spi-fsl-spi.c

diff --git a/drivers/spi/spi-fsl-spi.c b/drivers/spi/spi-fsl-spi.c
index d2407558773f37f4f651f23e5dfce5c9536869d9..24cacff577867b56eca075c13d22f68acd967852 100644 (file)
--- a/drivers/spi/spi-fsl-spi.c
+++ b/drivers/spi/spi-fsl-spi.c
@@ -825,6 +825,9 @@ static void fsl_spi_cpm_free(struct mpc8xxx_spi *mspi)
 {
        struct device *dev = mspi->dev;
 
+       if (!(mspi->flags & SPI_CPM_MODE))
+               return;
+
        dma_unmap_single(dev, mspi->dma_dummy_rx, SPI_MRBLR, DMA_FROM_DEVICE);
        dma_unmap_single(dev, mspi->dma_dummy_tx, PAGE_SIZE, DMA_TO_DEVICE);
        cpm_muram_free(cpm_muram_offset(mspi->tx_bd));