[PATCH 4.4 53/76] net: stmmac: 16KB buffer must be 16 byte aligned

[Greg Kroah-Hartman]

From: Jose Abreu <Jose.Abreu@xxxxxxxxxxxx>

commit 8605131747e7e1fd8f6c9f97a00287aae2b2c640 upstream.

The 16KB RX Buffer must also be 16 byte aligned. Fix it.

Fixes: 7ac6653a085b ("stmmac: Move the STMicroelectronics driver")
Signed-off-by: Jose Abreu <Jose.Abreu@xxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/net/ethernet/stmicro/stmmac/common.h |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/net/ethernet/stmicro/stmmac/common.h
+++ b/drivers/net/ethernet/stmicro/stmmac/common.h
@@ -273,8 +273,8 @@ struct dma_features {
 	unsigned int enh_desc;
 };
 
-/* GMAC TX FIFO is 8K, Rx FIFO is 16K */
-#define BUF_SIZE_16KiB 16384
+/* RX Buffer size must be multiple of 4/8/16 bytes */
+#define BUF_SIZE_16KiB 16368
 #define BUF_SIZE_8KiB 8192
 #define BUF_SIZE_4KiB 4096
 #define BUF_SIZE_2KiB 2048