spi: omap2-mcspi: Fix the redifine warning

Fix the below warning
drivers/spi/spi-omap2-mcspi.c:336:34: warning: symbol 'tx' shadows an earlier one
drivers/spi/spi-omap2-mcspi.c:327:12: originally declared here

So delete the u8 tx as it is assigned and not used(resigned afterwards).

Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c
index cc4f2dd89b50d41d6de7dc6c2b3479aa6243d6c6..d1895f70019654e4cc481a6813f3a6b6c3d29516 100644 (file)
--- a/drivers/spi/spi-omap2-mcspi.c
+++ b/drivers/spi/spi-omap2-mcspi.c
@@ -324,14 +324,11 @@ static void omap2_mcspi_tx_dma(struct spi_device *spi,
        struct omap2_mcspi      *mcspi;
        struct omap2_mcspi_dma  *mcspi_dma;
        unsigned int            count;
-       const u8                * tx;
 
        mcspi = spi_master_get_devdata(spi->master);
        mcspi_dma = &mcspi->dma_channels[spi->chip_select];
        count = xfer->len;
 
-       tx = xfer->tx_buf;
-
        if (mcspi_dma->dma_tx) {
                struct dma_async_tx_descriptor *tx;
                struct scatterlist sg;