commit 64203208c53ed62a6b2192ef6e8e0f3c286dc80f
author Timo Herbrecher <t.herbrecher@gateware.de> Wed Oct 16 00:05:09 2013 +0530
committer Jagannadha Sutradharudu Teki <jaganna@xilinx.com> Wed Oct 16 00:14:30 2013 +0530
tree 1cb215f143ee4b67a25145121d75e16b135bd993
parent 6a914ea4e89b3d0459930be9ed1f92d56803dab2

spi: mxc_spi: Fix double incrementing read pointer for unaligned buffers

If dout buffer is not 32 bit-aligned or data to transmit is not multiple
of 32 bit the read data pointer is already incremented on single byte reads.

Signed-off-by: Timo Herbrecher <t.herbrecher@gateware.de>
Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>

drivers/spi/mxc_spi.c

diff --git a/drivers/spi/mxc_spi.c b/drivers/spi/mxc_spi.c
index fd72a65..95dd03f 100644
--- a/drivers/spi/mxc_spi.c
+++ b/drivers/spi/mxc_spi.c
@@ -255,8 +255,8 @@
 			} else {
 				data = *(u32 *)dout;
 				data = cpu_to_be32(data);
+				dout += 4;
 			}
-			dout += 4;
 		}
 		debug("Sending SPI 0x%x\n", data);
 		reg_write(&regs->txdata, data);