From: Sascha Hauer <sha@pengutronix.de>
To: Stefan Riedmueller <s.riedmueller@phytec.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH] net: eth: of_fixup_node: Use reproducible node name for fixup
Date: Tue, 30 Mar 2021 07:40:17 +0200 [thread overview]
Message-ID: <20210330054017.GK609@pengutronix.de> (raw)
In-Reply-To: <20210329131048.66199-1-s.riedmueller@phytec.de>
On Mon, Mar 29, 2021 at 03:10:48PM +0200, Stefan Riedmueller wrote:
> To be able to fixup older devicetrees, prior to v4.15 where leading
> zeros of the unit addresses were removed, use the reproducible name to
> find the corresponding nodes.
Who would ever run such an old kernel ;)
Anyway, applied, thanks
Sascha
>
> Signed-off-by: Stefan Riedmueller <s.riedmueller@phytec.de>
> ---
> net/eth.c | 16 ++++++++++------
> 1 file changed, 10 insertions(+), 6 deletions(-)
>
> diff --git a/net/eth.c b/net/eth.c
> index 626b35d5cc65..84f99d3aa822 100644
> --- a/net/eth.c
> +++ b/net/eth.c
> @@ -304,7 +304,8 @@ static void eth_of_fixup_node(struct device_node *root,
> const char *node_path, int ethid,
> const u8 ethaddr[ETH_ALEN])
> {
> - struct device_node *node;
> + struct device_node *bb_node, *fixup_node;
> + char *name;
> int ret;
>
> if (!is_valid_ether_addr(ethaddr)) {
> @@ -314,22 +315,25 @@ static void eth_of_fixup_node(struct device_node *root,
> }
>
> if (node_path) {
> - node = of_find_node_by_path_from(root, node_path);
> + bb_node = of_find_node_by_path_from(0, node_path);
> + name = of_get_reproducible_name(bb_node);
> + fixup_node = of_find_node_by_reproducible_name(root, name);
> + free(name);
> } else {
> char eth[12];
> sprintf(eth, "ethernet%d", ethid);
> - node = of_find_node_by_alias(root, eth);
> + fixup_node = of_find_node_by_alias(root, eth);
> }
>
> - if (!node) {
> + if (!fixup_node) {
> pr_debug("%s: no node to fixup\n", __func__);
> return;
> }
>
> - ret = of_set_property(node, "mac-address", ethaddr, ETH_ALEN, 1);
> + ret = of_set_property(fixup_node, "mac-address", ethaddr, ETH_ALEN, 1);
> if (ret)
> pr_err("Setting mac-address property of %s failed with: %s\n",
> - node->full_name, strerror(-ret));
> + fixup_node->full_name, strerror(-ret));
> }
>
> static int eth_of_fixup(struct device_node *root, void *unused)
> --
> 2.25.1
>
>
> _______________________________________________
> barebox mailing list
> barebox@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/barebox
>
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prev parent reply other threads:[~2021-03-30 5:41 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-29 13:10 Stefan Riedmueller
2021-03-30 5:40 ` Sascha Hauer [this message]
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