| Message ID | 1375262486-5373-2-git-send-email-hayeswang@realtek.com |
|---|---|
| State | Accepted, archived |
| Delegated to: | David Miller |
| Headers | show |
From: Hayes Wang <hayeswang@realtek.com> Date: Wed, 31 Jul 2013 17:21:23 +0800 > Don't replace the usb_control_msg() with usbnet_{read,write}_cmd() > which couldn't be called inside suspend/resume callback. Keep the > basic functions unlimited. Instead, using usb_autopm_get_interface() > and usb_autopm_put_interface() in r815x_mdio_{read,write}(). > > Signed-off-by: Hayes Wang <hayeswang@realtek.com> Applied. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/net/usb/r815x.c b/drivers/net/usb/r815x.c index e9b99ba..1a80e76 100644 --- a/drivers/net/usb/r815x.c +++ b/drivers/net/usb/r815x.c @@ -126,11 +126,18 @@ out1: static int r815x_mdio_read(struct net_device *netdev, int phy_id, int reg) { struct usbnet *dev = netdev_priv(netdev); + int ret; if (phy_id != R815x_PHY_ID) return -EINVAL; - return ocp_reg_read(dev, BASE_MII + reg * 2); + if (usb_autopm_get_interface(dev->intf) < 0) + return -ENODEV; + + ret = ocp_reg_read(dev, BASE_MII + reg * 2); + + usb_autopm_put_interface(dev->intf); + return ret; } static @@ -141,7 +148,12 @@ void r815x_mdio_write(struct net_device *netdev, int phy_id, int reg, int val) if (phy_id != R815x_PHY_ID) return; + if (usb_autopm_get_interface(dev->intf) < 0) + return; + ocp_reg_write(dev, BASE_MII + reg * 2, val); + + usb_autopm_put_interface(dev->intf); } static int r8153_bind(struct usbnet *dev, struct usb_interface *intf)
Don't replace the usb_control_msg() with usbnet_{read,write}_cmd() which couldn't be called inside suspend/resume callback. Keep the basic functions unlimited. Instead, using usb_autopm_get_interface() and usb_autopm_put_interface() in r815x_mdio_{read,write}(). Signed-off-by: Hayes Wang <hayeswang@realtek.com> --- drivers/net/usb/r815x.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-)