spi/s3c64xx: Fix incorrect reuse of 'val' local variable.

Instead of, wrongly, reusing the 'val' variable, use a dedicated
one for reading the status register.

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
diff --git a/drivers/spi/spi_s3c64xx.c b/drivers/spi/spi_s3c64xx.c
index 240b690..ef9daca 100644
--- a/drivers/spi/spi_s3c64xx.c
+++ b/drivers/spi/spi_s3c64xx.c
@@ -326,10 +326,11 @@
 		val = msecs_to_jiffies(ms) + 10;
 		val = wait_for_completion_timeout(&sdd->xfer_completion, val);
 	} else {
+		u32 status;
 		val = msecs_to_loops(ms);
 		do {
-			val = readl(regs + S3C64XX_SPI_STATUS);
-		} while (RX_FIFO_LVL(val, sci) < xfer->len && --val);
+			status = readl(regs + S3C64XX_SPI_STATUS);
+		} while (RX_FIFO_LVL(status, sci) < xfer->len && --val);
 	}
 
 	if (!val)