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>

1 files changed, 0 insertions, 3 deletions

diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c
index cc4f2dd89b5..d1895f70019 100644
--- 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;