The resolution of msleep is related to HZ, so 10ms msleep() causes
~23ms sleep with OMAP's default CONFIG_HZ=128 timer configuration.
This looks too much, and usleep_range() with some slack gives more
control of what is happening here.
Signed-off-by: Dmitry Antipov <dmitry.antipov@xxxxxxxxxx>
---
drivers/net/usb/smsc95xx.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index d45520e..5d406d4 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -688,7 +688,7 @@ static int smsc95xx_phy_initialize(struct usbnet *dev)
smsc95xx_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET);
do {
- msleep(10);
+ usleep_range(10000, 15000);
bmcr = smsc95xx_mdio_read(dev->net, dev->mii.phy_id, MII_BMCR);
timeout++;
} while ((bmcr & BMCR_RESET) && (timeout < 100));
@@ -736,7 +736,7 @@ static int smsc95xx_reset(struct usbnet *dev)
netdev_warn(dev->net, "Failed to read HW_CFG: %d\n", ret);
return ret;
}
- msleep(10);
+ usleep_range(10000, 15000);
timeout++;
} while ((read_buf & HW_CFG_LRST_) && (timeout < 100));
@@ -759,7 +759,7 @@ static int smsc95xx_reset(struct usbnet *dev)
netdev_warn(dev->net, "Failed to read PM_CTRL: %d\n", ret);
return ret;
}
- msleep(10);
+ usleep_range(10000, 15000);
timeout++;
} while ((read_buf & PM_CTL_PHY_RST_) && (timeout < 100));
--
1.7.7.5
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
