netdev - [PATCH net-next 2/3] octeontx2-af: Use u64_to_ether

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Date: Tue, 8 Aug 2023 19:45:03 +0800
From: Li Zetao <lizetao1@...wei.com>
To: <sgoutham@...vell.com>, <lcherian@...vell.com>, <gakula@...vell.com>,
	<jerinj@...vell.com>, <hkelam@...vell.com>, <sbhatta@...vell.com>,
	<davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
	<pabeni@...hat.com>
CC: <lizetao1@...wei.com>, <netdev@...r.kernel.org>
Subject: [PATCH net-next 2/3] octeontx2-af: Use u64_to_ether_addr() to convert ethernet address

Use u64_to_ether_addr() to convert a u64 value to an Ethernet MAC address,
instead of directly calculating, as this is exactly what this
function does.

Signed-off-by: Li Zetao <lizetao1@...wei.com>
---
 drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
index 095b2cc4a699..b3f766b970ca 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
@@ -686,7 +686,7 @@ int rvu_mbox_handler_cgx_mac_addr_get(struct rvu *rvu,
 {
 	int pf = rvu_get_pf(req->hdr.pcifunc);
 	u8 cgx_id, lmac_id;
-	int rc = 0, i;
+	int rc = 0;
 	u64 cfg;
 
 	if (!is_cgx_config_permitted(rvu, req->hdr.pcifunc))
@@ -697,8 +697,7 @@ int rvu_mbox_handler_cgx_mac_addr_get(struct rvu *rvu,
 	rsp->hdr.rc = rc;
 	cfg = cgx_lmac_addr_get(cgx_id, lmac_id);
 	/* copy 48 bit mac address to req->mac_addr */
-	for (i = 0; i < ETH_ALEN; i++)
-		rsp->mac_addr[i] = cfg >> (ETH_ALEN - 1 - i) * 8;
+	u64_to_ether_addr(cfg, rsp->mac_addr);
 	return 0;
 }
 
-- 
2.34.1