linux-kernel - [PATCH] net: natsemi: fix hw address initialization for jazz and xtensa

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Message-Id: <20211130143600.31970-1-jcmvbkbc@gmail.com>
Date:   Tue, 30 Nov 2021 06:36:00 -0800
From:   Max Filippov <jcmvbkbc@...il.com>
To:     netdev@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, Max Filippov <jcmvbkbc@...il.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Subject: [PATCH] net: natsemi: fix hw address initialization for jazz and xtensa

Use eth_hw_addr_set function instead of writing the address directly to
net_device::dev_addr.

Fixes: adeef3e32146 ("net: constify netdev->dev_addr")
Signed-off-by: Max Filippov <jcmvbkbc@...il.com>
Cc: Randy Dunlap <rdunlap@...radead.org>
Cc: "David S. Miller" <davem@...emloft.net>
Cc: Jakub Kicinski <kuba@...nel.org>
---
 drivers/net/ethernet/natsemi/jazzsonic.c | 6 ++++--
 drivers/net/ethernet/natsemi/xtsonic.c   | 6 ++++--
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/natsemi/jazzsonic.c b/drivers/net/ethernet/natsemi/jazzsonic.c
index d74a80f010c5..3f371faeb6d0 100644
--- a/drivers/net/ethernet/natsemi/jazzsonic.c
+++ b/drivers/net/ethernet/natsemi/jazzsonic.c
@@ -114,6 +114,7 @@ static int sonic_probe1(struct net_device *dev)
 	struct sonic_local *lp = netdev_priv(dev);
 	int err = -ENODEV;
 	int i;
+	unsigned char addr[ETH_ALEN];
 
 	if (!request_mem_region(dev->base_addr, SONIC_MEM_SIZE, jazz_sonic_string))
 		return -EBUSY;
@@ -143,9 +144,10 @@ static int sonic_probe1(struct net_device *dev)
 	SONIC_WRITE(SONIC_CEP,0);
 	for (i=0; i<3; i++) {
 		val = SONIC_READ(SONIC_CAP0-i);
-		dev->dev_addr[i*2] = val;
-		dev->dev_addr[i*2+1] = val >> 8;
+		addr[i*2] = val;
+		addr[i*2+1] = val >> 8;
 	}
+	eth_hw_addr_set(dev, addr);
 
 	lp->dma_bitmode = SONIC_BITMODE32;
 
diff --git a/drivers/net/ethernet/natsemi/xtsonic.c b/drivers/net/ethernet/natsemi/xtsonic.c
index ca4686094701..7d51bcb1b918 100644
--- a/drivers/net/ethernet/natsemi/xtsonic.c
+++ b/drivers/net/ethernet/natsemi/xtsonic.c
@@ -127,6 +127,7 @@ static int __init sonic_probe1(struct net_device *dev)
 	unsigned int base_addr = dev->base_addr;
 	int i;
 	int err = 0;
+	unsigned char addr[ETH_ALEN];
 
 	if (!request_mem_region(base_addr, 0x100, xtsonic_string))
 		return -EBUSY;
@@ -163,9 +164,10 @@ static int __init sonic_probe1(struct net_device *dev)
 
 	for (i=0; i<3; i++) {
 		unsigned int val = SONIC_READ(SONIC_CAP0-i);
-		dev->dev_addr[i*2] = val;
-		dev->dev_addr[i*2+1] = val >> 8;
+		addr[i*2] = val;
+		addr[i*2+1] = val >> 8;
 	}
+	eth_hw_addr_set(dev, addr);
 
 	lp->dma_bitmode = SONIC_BITMODE32;
 
-- 
2.20.1