mail archive of the barebox mailing list
 help / color / mirror / Atom feed
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


_______________________________________________
barebox mailing list
barebox@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/barebox


             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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210615153223.9329-1-m.grzeschik@pengutronix.de \
    --to=m.grzeschik@pengutronix.de \
    --cc=barebox@lists.infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox