smsc95xx: sleep before read for lengthy operations
During init, the device reset is unexpected to complete immediately,
so sleep before testing the condition rather than after it.
Signed-off-by: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index d45e539..ed1e551 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -763,12 +763,12 @@
timeout = 0;
do {
+ msleep(10);
ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf);
if (ret < 0) {
netdev_warn(dev->net, "Failed to read HW_CFG: %d\n", ret);
return ret;
}
- msleep(10);
timeout++;
} while ((read_buf & HW_CFG_LRST_) && (timeout < 100));
@@ -786,12 +786,12 @@
timeout = 0;
do {
+ msleep(10);
ret = smsc95xx_read_reg(dev, PM_CTRL, &read_buf);
if (ret < 0) {
netdev_warn(dev->net, "Failed to read PM_CTRL: %d\n", ret);
return ret;
}
- msleep(10);
timeout++;
} while ((read_buf & PM_CTL_PHY_RST_) && (timeout < 100));
