| Message ID | 1336129033-15826-3-git-send-email-steve.glendinning@shawell.net |
|---|---|
| State | Accepted, archived |
| Delegated to: | David Miller |
| Headers | show |
diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c index ecab87b..72b62b5 100644 --- a/drivers/net/usb/smsc75xx.c +++ b/drivers/net/usb/smsc75xx.c @@ -508,9 +508,7 @@ static int smsc75xx_link_reset(struct usbnet *dev) u16 lcladv, rmtadv; int ret; - /* read and write to clear phy interrupt status */ - ret = smsc75xx_mdio_read(dev->net, mii->phy_id, PHY_INT_SRC); - check_warn_return(ret, "Error reading PHY_INT_SRC"); + /* write to clear phy interrupt status */ smsc75xx_mdio_write(dev->net, mii->phy_id, PHY_INT_SRC, PHY_INT_SRC_CLEAR_ALL);
Only a write is necessary to clear the interrupt status, and we don't use the value from the preceding read operation. This patch eliminates the unnecessary read. Signed-off-by: Steve Glendinning <steve.glendinning@shawell.net> --- drivers/net/usb/smsc75xx.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)