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Groups > linux.kernel > #1470388

[PATCH v3 5/5] net: asix: autoneg will set WRITE_MEDIUM reg

From robert.foss@collabora.com
Newsgroups linux.kernel
Subject [PATCH v3 5/5] net: asix: autoneg will set WRITE_MEDIUM reg
Date 2016-08-25 22:20 +0200
Message-ID <sa9i2-5Ly-29@gated-at.bofh.it> (permalink)
References <sa9i1-5Ly-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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From: Robert Foss <robert.foss@collabora.com>

From: Grant Grundler <grundler@chromium.org>

The miii_nway_restart() causes a PHY link change activity and
ax88772_link_reset will be called. link_reset will set
AX_CMD_WRITE_MEDIUM_MODE register correctly.

The asix_write_medium_mode in reset() fills in a default value to the register
which may be different from the negotiation result. So do this first.

Ignore the ret value since it's ignored in XXX_link_reset() functions.

Signed-off-by: Grant Grundler <grundler@google.com>
Signed-off-by: Robert Foss <robert.foss@collabora.com>
Tested-by: Robert Foss <robert.foss@collabora.com>
---
 drivers/net/usb/asix_devices.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/net/usb/asix_devices.c b/drivers/net/usb/asix_devices.c
index dbcdda2..cce2495 100644
--- a/drivers/net/usb/asix_devices.c
+++ b/drivers/net/usb/asix_devices.c
@@ -928,12 +928,9 @@ static int ax88178_reset(struct usbnet *dev)
 	asix_mdio_write(dev->net, dev->mii.phy_id, MII_CTRL1000,
 			ADVERTISE_1000FULL);
 
+	asix_write_medium_mode(dev, AX88178_MEDIUM_DEFAULT, 0);
 	mii_nway_restart(&dev->mii);
 
-	ret = asix_write_medium_mode(dev, AX88178_MEDIUM_DEFAULT, 0);
-	if (ret < 0)
-		return ret;
-
 	/* Rewrite MAC address */
 	memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
 	ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
-- 
git-series 0.8.10

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Thread

[PATCH v3 0/5] net/usb: asix driver improvements robert.foss@collabora.com - 2016-08-25 22:20 +0200
  [PATCH v3 4/5] net: asix: see 802.3 spec for phy reset robert.foss@collabora.com - 2016-08-25 22:20 +0200
  [PATCH v3 4/5] net: asix: see 802.3 spec for phy reset robert.foss@collabora.com - 2016-08-25 22:20 +0200
  [PATCH v3 3/5] net: asix: Fix AX88772x resume failures robert.foss@collabora.com - 2016-08-25 22:20 +0200
  [PATCH v3 5/5] net: asix: autoneg will set WRITE_MEDIUM reg robert.foss@collabora.com - 2016-08-25 22:20 +0200
  [PATCH v3 1/5] net: asix: Add in_pm parameter robert.foss@collabora.com - 2016-08-25 22:20 +0200
  [PATCH v3 3/5] net: asix: Fix AX88772x resume failures robert.foss@collabora.com - 2016-08-25 22:20 +0200
  [PATCH v3 5/5] net: asix: autoneg will set WRITE_MEDIUM reg robert.foss@collabora.com - 2016-08-25 22:20 +0200
    Re: [PATCH v3 5/5] net: asix: autoneg will set WRITE_MEDIUM reg Robert Foss <robert.foss@collabora.com> - 2016-09-01 18:50 +0200
      Re: [PATCH v3 5/5] net: asix: autoneg will set WRITE_MEDIUM reg Eric Dumazet <eric.dumazet@gmail.com> - 2016-09-01 23:10 +0200
        Re: [PATCH v3 5/5] net: asix: autoneg will set WRITE_MEDIUM reg Grant Grundler <grundler@google.com> - 2016-09-06 18:50 +0200
          Re: [PATCH v3 5/5] net: asix: autoneg will set WRITE_MEDIUM reg Robert Foss <robert.foss@collabora.com> - 2016-09-06 23:50 +0200
    Re: [PATCH v3 5/5] net: asix: autoneg will set WRITE_MEDIUM reg Eric Dumazet <eric.dumazet@gmail.com> - 2016-09-01 18:50 +0200
  [PATCH v3 2/5] net: asix: Avoid looping when the device is disconnected robert.foss@collabora.com - 2016-08-25 22:20 +0200
  [PATCH v3 1/5] net: asix: Add in_pm parameter robert.foss@collabora.com - 2016-08-25 22:20 +0200
  Re: [PATCH v3 0/5] net/usb: asix driver improvements David Miller <davem@davemloft.net> - 2016-08-27 06:30 +0200
  [PATCH v3 3/5] net: asix: Fix AX88772x resume failures robert.foss@collabora.com - 2016-08-29 15:40 +0200
  [PATCH v3 5/5] net: asix: autoneg will set WRITE_MEDIUM reg robert.foss@collabora.com - 2016-08-29 15:40 +0200
  [PATCH v3 2/5] net: asix: Avoid looping when the device is disconnected robert.foss@collabora.com - 2016-08-29 15:40 +0200
  [PATCH v3 1/5] net: asix: Add in_pm parameter robert.foss@collabora.com - 2016-08-29 15:40 +0200
  [PATCH v3 4/5] net: asix: see 802.3 spec for phy reset robert.foss@collabora.com - 2016-08-29 15:40 +0200
  Re: [PATCH v3 0/5] net/usb: asix driver improvements Robert Foss <robert.foss@collabora.com> - 2016-08-31 19:30 +0200
  Re: [PATCH v3 0/5] net/usb: asix driver improvements David Miller <davem@davemloft.net> - 2016-09-01 06:10 +0200

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