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[RESEND PATCH v1 1/4] net: ethernet: arc: Probe emac after set RMII clock

From Xing Zheng <zhengxing@rock-chips.com>
Newsgroups linux.kernel
Subject [RESEND PATCH v1 1/4] net: ethernet: arc: Probe emac after set RMII clock
Date 2015-12-28 08:30 +0100
Message-ID <qKApI-79E-11@gated-at.bofh.it> (permalink)
References <qKApH-79E-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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After enter arc_emac_probe, emac will get_phy_id, phy_poll_reset and
other connecting PHY via mdiobus_read, so we need to set correct
ref clock rate for emac before probe emac.

Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
---

 drivers/net/ethernet/arc/emac_rockchip.c |   11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/arc/emac_rockchip.c b/drivers/net/ethernet/arc/emac_rockchip.c
index c31c740..36e9eb1 100644
--- a/drivers/net/ethernet/arc/emac_rockchip.c
+++ b/drivers/net/ethernet/arc/emac_rockchip.c
@@ -164,10 +164,6 @@ static int emac_rockchip_probe(struct platform_device *pdev)
 		}
 	}
 
-	err = arc_emac_probe(ndev, interface);
-	if (err)
-		goto out_regulator_disable;
-
 	/* write-enable bits */
 	data = GRF_MODE_ENABLE_BIT | GRF_SPEED_ENABLE_BIT;
 
@@ -184,6 +180,13 @@ static int emac_rockchip_probe(struct platform_device *pdev)
 	err = clk_set_rate(priv->refclk, 50000000);
 	if (err)
 		dev_err(dev, "failed to change reference clock rate (%d)\n", err);
+
+	err = arc_emac_probe(ndev, interface);
+	if (err) {
+		dev_err(dev, "failed to probe arc emac (%d)\n", err);
+		goto out_regulator_disable;
+	}
+
 	return 0;
 
 out_regulator_disable:
-- 
1.7.9.5


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Thread

[RESEND PATCH v1 0/4] Add support emac for the RK3036 SoC platform Xing Zheng <zhengxing@rock-chips.com> - 2015-12-28 08:30 +0100
  [RESEND PATCH v1 1/4] net: ethernet: arc: Probe emac after set RMII clock Xing Zheng <zhengxing@rock-chips.com> - 2015-12-28 08:30 +0100
  [RESEND PATCH v1 2/4] net: ethernet: arc: Keep emac compatibility for more Rockchip SoCs Xing Zheng <zhengxing@rock-chips.com> - 2015-12-28 08:30 +0100
  Re: [RESEND PATCH v1 0/4] Add support emac for the RK3036 SoC  platform David Miller <davem@davemloft.net> - 2015-12-29 22:00 +0100
    Re: [RESEND PATCH v1 0/4] Add support emac for the RK3036 SoC platform Heiko Stübner <heiko@sntech.de> - 2015-12-29 23:30 +0100
      Re: [RESEND PATCH v1 0/4] Add support emac for the RK3036 SoC platform Florian Fainelli <f.fainelli@gmail.com> - 2015-12-30 00:00 +0100
      Re: [RESEND PATCH v1 0/4] Add support emac for the RK3036 SoC  platform David Miller <davem@davemloft.net> - 2015-12-30 02:50 +0100
        Re: [RESEND PATCH v1 0/4] Add support emac for the RK3036 SoC platform Geert Uytterhoeven <geert@linux-m68k.org> - 2015-12-30 11:20 +0100
          Re: [RESEND PATCH v1 0/4] Add support emac for the RK3036 SoC platform Rob Herring <robh+dt@kernel.org> - 2015-12-30 16:10 +0100

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