Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1328887

[PATCH v5] net: ethernet: nb8800: support fixed-link DT node

From Sebastian Frias <sf84@laposte.net>
Newsgroups linux.kernel
Subject [PATCH v5] net: ethernet: nb8800: support fixed-link DT node
Date 2016-02-08 11:30 +0100
Message-ID <qZReW-3Ut-5@gated-at.bofh.it> (permalink)
References (7 earlier) <qYPIf-1t6-19@gated-at.bofh.it> <qYQ1A-1Bz-3@gated-at.bofh.it> <qYQbg-1UO-25@gated-at.bofh.it> <qYQuB-22s-7@gated-at.bofh.it> <qYQuB-22s-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


Under some circumstances, for example when connecting
to a switch:

https://stackoverflow.com/questions/31046172/device-tree-for-phy-less-connection-to-a-dsa-switch

the ethernet port will not be connected to a PHY.
In that case a "fixed-link" DT node can be used to replace it.

This patch adds support for the "fixed-link" node to the
nb8800 driver.

Signed-off-by: Sebastian Frias <sf84@laposte.net>
---
  drivers/net/ethernet/aurora/nb8800.c | 14 +++++++++++++-
  1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/aurora/nb8800.c 
b/drivers/net/ethernet/aurora/nb8800.c
index ecc4a33..e1fb071 100644
--- a/drivers/net/ethernet/aurora/nb8800.c
+++ b/drivers/net/ethernet/aurora/nb8800.c
@@ -1460,7 +1460,19 @@ static int nb8800_probe(struct platform_device *pdev)
  		goto err_disable_clk;
  	}

-	priv->phy_node = of_parse_phandle(pdev->dev.of_node, "phy-handle", 0);
+	if (of_phy_is_fixed_link(pdev->dev.of_node)) {
+		ret = of_phy_register_fixed_link(pdev->dev.of_node);
+		if (ret < 0) {
+			dev_err(&pdev->dev, "bad fixed-link spec\n");
+			goto err_free_bus;
+		}
+		priv->phy_node = of_node_get(pdev->dev.of_node);
+	}
+
+	if (!priv->phy_node)
+		priv->phy_node = of_parse_phandle(pdev->dev.of_node,
+						  "phy-handle", 0);
+
  	if (!priv->phy_node) {
  		dev_err(&pdev->dev, "no PHY specified\n");
  		ret = -ENODEV;
-- 
2.1.4

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

[PATCH] net: ethernet: support "fixed-link" DT node on nb8800 driver Sebastian Frias <sf84@laposte.net> - 2016-02-05 14:40 +0100
  Re: [PATCH] net: ethernet: support "fixed-link" DT node on nb8800 driver Måns Rullgård <mans@mansr.com> - 2016-02-05 14:40 +0100
    [PATCH v2] net: ethernet: support "fixed-link" DT key/node on nb8800  driver Sebastian Frias <sf84@laposte.net> - 2016-02-05 14:50 +0100
      Re: [PATCH v2] net: ethernet: support "fixed-link" DT key/node on nb8800 driver Måns Rullgård <mans@mansr.com> - 2016-02-05 15:00 +0100
        Re: [PATCH v2] net: ethernet: support "fixed-link" DT key/node on  nb8800 driver Sebastian Frias <sf84@laposte.net> - 2016-02-05 15:10 +0100
          Re: [PATCH v2] net: ethernet: support "fixed-link" DT key/node on nb8800 driver Måns Rullgård <mans@mansr.com> - 2016-02-05 15:20 +0100
            [PATCH v3] net: ethernet: support "fixed-link" DT node on nb8800  driver Sebastian Frias <sf84@laposte.net> - 2016-02-05 15:30 +0100
              Re: [PATCH v3] net: ethernet: support "fixed-link" DT node on nb8800 driver Måns Rullgård <mans@mansr.com> - 2016-02-05 15:40 +0100
                Re: [PATCH v3] net: ethernet: support "fixed-link" DT node on nb8800  driver Sebastian Frias <sf84@laposte.net> - 2016-02-05 16:00 +0100
                Re: [PATCH v3] net: ethernet: support "fixed-link" DT node on nb8800 driver Måns Rullgård <mans@mansr.com> - 2016-02-05 16:10 +0100
                Re: [PATCH v3] net: ethernet: support "fixed-link" DT node on nb8800 driver Måns Rullgård <mans@mansr.com> - 2016-02-05 16:30 +0100
                [PATCH v5] net: ethernet: nb8800: support fixed-link DT node Sebastian Frias <sf84@laposte.net> - 2016-02-08 11:30 +0100
                Re: [PATCH v5] net: ethernet: nb8800: support fixed-link DT node Måns Rullgård <mans@mansr.com> - 2016-02-08 14:20 +0100
                Re: [PATCH v3] net: ethernet: support "fixed-link" DT node on nb8800  driver Sebastian Frias <sf84@laposte.net> - 2016-02-08 11:40 +0100
                Re: [PATCH v3] net: ethernet: support "fixed-link" DT node on nb8800 driver Måns Rullgård <mans@mansr.com> - 2016-02-08 14:40 +0100
                Re: [PATCH v3] net: ethernet: support "fixed-link" DT node on nb8800  driver Mason <slash.tmp@free.fr> - 2016-02-08 15:20 +0100
                Re: [PATCH v3] net: ethernet: support "fixed-link" DT node on nb8800  driver Sebastian Frias <sf84@laposte.net> - 2016-02-08 15:40 +0100
                Re: [PATCH v3] net: ethernet: support "fixed-link" DT node on nb8800 driver Måns Rullgård <mans@mansr.com> - 2016-02-08 15:50 +0100
                Re: [PATCH v3] net: ethernet: support "fixed-link" DT node on nb8800  driver Sebastian Frias <sf84@laposte.net> - 2016-02-08 15:40 +0100
                Re: [PATCH v3] net: ethernet: support "fixed-link" DT node on nb8800 driver Måns Rullgård <mans@mansr.com> - 2016-02-08 16:00 +0100
                Re: [PATCH v3] net: ethernet: support "fixed-link" DT node on nb8800  driver Sebastian Frias <sf84@laposte.net> - 2016-02-05 16:30 +0100
                [PATCH v4] net: ethernet: nb8800: support fixed-link DT node Sebastian Frias <sf84@laposte.net> - 2016-02-05 16:00 +0100
    Re: [PATCH] net: ethernet: support "fixed-link" DT node on nb8800 driver Andy Shevchenko <andy.shevchenko@gmail.com> - 2016-02-05 17:00 +0100
      Re: [PATCH] net: ethernet: support "fixed-link" DT node on nb8800 driver Måns Rullgård <mans@mansr.com> - 2016-02-05 17:00 +0100

csiph-web