diff options
| author | Paolo Abeni <pabeni@redhat.com> | 2025-09-11 17:33:31 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-09-19 17:29:58 +0300 |
| commit | 02468e9795eb0dc0b414e4e9ad1624b98255d2ee (patch) | |
| tree | e54b136e277f437d2eef0b3e7d2c9c861c613928 /drivers/net/usb | |
| parent | bfb9520e3ed052237786b869960310eacdcce00c (diff) | |
| download | linux-02468e9795eb0dc0b414e4e9ad1624b98255d2ee.tar.xz | |
Revert "net: usb: asix: ax88772: drop phylink use in PM to avoid MDIO runtime PM wakeups"
commit 63a796558bc22ec699e4193d5c75534757ddf2e6 upstream.
This reverts commit 5537a4679403 ("net: usb: asix: ax88772: drop
phylink use in PM to avoid MDIO runtime PM wakeups"), it breaks
operation of asix ethernet usb dongle after system suspend-resume
cycle.
Link: https://lore.kernel.org/all/b5ea8296-f981-445d-a09a-2f389d7f6fdd@samsung.com/
Fixes: 5537a4679403 ("net: usb: asix: ax88772: drop phylink use in PM to avoid MDIO runtime PM wakeups")
Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/2945b9dbadb8ee1fee058b19554a5cb14f1763c1.1757601118.git.pabeni@redhat.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/usb')
| -rw-r--r-- | drivers/net/usb/asix_devices.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/usb/asix_devices.c b/drivers/net/usb/asix_devices.c index 775fb286e452..021f38c25be8 100644 --- a/drivers/net/usb/asix_devices.c +++ b/drivers/net/usb/asix_devices.c @@ -607,8 +607,15 @@ static const struct net_device_ops ax88772_netdev_ops = { static void ax88772_suspend(struct usbnet *dev) { + struct asix_common_private *priv = dev->driver_priv; u16 medium; + if (netif_running(dev->net)) { + rtnl_lock(); + phylink_suspend(priv->phylink, false); + rtnl_unlock(); + } + /* Stop MAC operation */ medium = asix_read_medium_status(dev, 1); medium &= ~AX_MEDIUM_RE; @@ -637,6 +644,12 @@ static void ax88772_resume(struct usbnet *dev) for (i = 0; i < 3; i++) if (!priv->reset(dev, 1)) break; + + if (netif_running(dev->net)) { + rtnl_lock(); + phylink_resume(priv->phylink); + rtnl_unlock(); + } } static int asix_resume(struct usb_interface *intf) |