net: mvpp2: use cache_line_size() to get cacheline size

Jisheng Zhang · davem330 · commit 4a0a12d27ca5 · 2016-04-01T14:36:47.000-04:00
L1_CACHE_BYTES may not be the real cacheline size, use cache_line_size
to determine the cacheline size in runtime.

Signed-off-by: Jisheng Zhang &lt;jszhang@marvell.com&gt;
Suggested-by: Marcin Wojtas &lt;mw@semihalf.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c
@@ -376,7 +376,7 @@
 
 #define MVPP2_RX_PKT_SIZE(mtu) \
 	ALIGN((mtu) + MVPP2_MH_SIZE + MVPP2_VLAN_TAG_LEN + \
-	      ETH_HLEN + ETH_FCS_LEN, L1_CACHE_BYTES)
+	      ETH_HLEN + ETH_FCS_LEN, cache_line_size())
 
 #define MVPP2_RX_BUF_SIZE(pkt_size)	((pkt_size) + NET_SKB_PAD)
 #define MVPP2_RX_TOTAL_SIZE(buf_size)	((buf_size) + MVPP2_SKB_SHINFO_SIZE)
