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From: Michael Grzeschik <m.grzeschik@pengutronix.de>
To: barebox@lists.infradead.org
Subject: [PATCH] net/eth: read default mac-address default from dts
Date: Tue, 15 Jun 2021 17:32:23 +0200	[thread overview]
Message-ID: <20210615153223.9329-1-m.grzeschik@pengutronix.de> (raw)

Since we have the functino of_get_mac_address we can
use it to set the default mac address vom the dts.

Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
---
 net/eth.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/net/eth.c b/net/eth.c
index 84f99d3aa8..baebf89d89 100644
--- a/net/eth.c
+++ b/net/eth.c
@@ -11,6 +11,7 @@
 #include <net.h>
 #include <dma.h>
 #include <of.h>
+#include <of_net.h>
 #include <linux/phy.h>
 #include <errno.h>
 #include <malloc.h>
@@ -431,6 +432,14 @@ int eth_register(struct eth_device *edev)
 	if (!ret)
 		found = 1;
 
+	if (!found && edev->parent) {
+		const u8 *maddr = of_get_mac_address(edev->parent->device_node);
+		if (maddr) {
+			memcpy(ethaddr, maddr, ETH_ALEN);
+			found = 1;
+		}
+	}
+
 	if (!found) {
 		ret = edev->get_ethaddr(edev, ethaddr);
 		if (!ret)
-- 
2.29.2


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             reply	other threads:[~2021-06-15 19:50 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-15 15:32 Michael Grzeschik [this message]
2021-06-15 20:32 ` Trent Piepho
2021-06-21  6:42   ` Ahmad Fatoum
2021-06-15 17:17 Michael Grzeschik
2021-06-16  7:14 ` Sascha Hauer

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