spi/omap2: fix uninitialized variable

fixes below compilation warning.  The variable doesn't actual ever get
used uninitialized, but that's no reason to be sloppy.

drivers/spi/omap2_mcspi.c: In function 'omap2_mcspi_txrx_dma':
drivers/spi/omap2_mcspi.c:301: warning: 'elements' may be used uninitialized in this function

Signed-off-by: Govindraj.R <govindraj.raja@ti.com>
[grant.likely: amended description]
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

diff --git a/drivers/spi/omap2_mcspi.c b/drivers/spi/omap2_mcspi.c
index 6f86ba0..969cdd2 100644 (file)
--- a/drivers/spi/omap2_mcspi.c
+++ b/drivers/spi/omap2_mcspi.c
@@ -298,7 +298,7 @@ omap2_mcspi_txrx_dma(struct spi_device *spi, struct spi_transfer *xfer)
        unsigned int            count, c;
        unsigned long           base, tx_reg, rx_reg;
        int                     word_len, data_type, element_count;
-       int                     elements;
+       int                     elements = 0;
        u32                     l;
        u8                      * rx;
        const u8                * tx;