spi/xilinx: signedness issue checking platform_get_irq()

In xilinx_spi_probe() we use xspi->irq to store negative error codes so
it has to be signed.  We weren't going to use the upper bit any way so
this is fine.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

diff --git a/drivers/spi/spi-xilinx.c b/drivers/spi/spi-xilinx.c
index e5d3716da21a0cfe5a8c830fcdc53e3cb0bbe4e0..dec7e71a833ce70a23a8b9af7363b492ad676312 100644 (file)
--- a/drivers/spi/spi-xilinx.c
+++ b/drivers/spi/spi-xilinx.c
@@ -82,7 +82,7 @@ struct xilinx_spi {
        struct completion done;
        void __iomem    *regs;  /* virt. address of the control registers */
 
-       u32             irq;
+       int             irq;
 
        u8 *rx_ptr;             /* pointer in the Tx buffer */
        const u8 *tx_ptr;       /* pointer in the Rx buffer */