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 19:17:33 +0200 [thread overview]
Message-ID: <20210615171733.1973-1-m.grzeschik@pengutronix.de> (raw)
Since we have the function 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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next reply other threads:[~2021-06-15 21:10 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-15 17:17 Michael Grzeschik [this message]
2021-06-16 7:14 ` Sascha Hauer
-- strict thread matches above, loose matches on Subject: below --
2021-06-15 15:32 Michael Grzeschik
2021-06-15 20:32 ` Trent Piepho
2021-06-21 6:42 ` Ahmad Fatoum
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