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authorAlex Shi <alex.shi@linaro.org>2015-03-19 08:57:04 +0800
committerAlex Shi <alex.shi@linaro.org>2015-03-19 08:57:04 +0800
commitba0bfedf4c9cad58f56a7038d1462ffc21cd33df (patch)
treebc5582403ad15b835d1b69b2ab81bda44292f3e3 /drivers/net/phy/phy.c
parent43e7406efd7822d75c64310461d2cbca0ece19f0 (diff)
parent7f4e64246049cef5ae1eca37eec1701a9477799e (diff)
Merge tag 'v3.10.72' into linux-linaro-lsklsk-v3.10-15.03
This is the 3.10.72 stable release
Diffstat (limited to 'drivers/net/phy/phy.c')
-rw-r--r--drivers/net/phy/phy.c24
1 files changed, 21 insertions, 3 deletions
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 663d2d0448b7..dcaeb8128d83 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -203,6 +203,25 @@ static inline int phy_find_valid(int idx, u32 features)
}
/**
+ * phy_check_valid - check if there is a valid PHY setting which matches
+ * speed, duplex, and feature mask
+ * @speed: speed to match
+ * @duplex: duplex to match
+ * @features: A mask of the valid settings
+ *
+ * Description: Returns true if there is a valid setting, false otherwise.
+ */
+static inline bool phy_check_valid(int speed, int duplex, u32 features)
+{
+ unsigned int idx;
+
+ idx = phy_find_valid(phy_find_setting(speed, duplex), features);
+
+ return settings[idx].speed == speed && settings[idx].duplex == duplex &&
+ (settings[idx].setting & features);
+}
+
+/**
* phy_sanitize_settings - make sure the PHY is set to supported speed and duplex
* @phydev: the target phy_device struct
*
@@ -1012,7 +1031,7 @@ int phy_init_eee(struct phy_device *phydev, bool clk_stop_enable)
(phydev->interface == PHY_INTERFACE_MODE_RGMII))) {
int eee_lp, eee_cap, eee_adv;
u32 lp, cap, adv;
- int idx, status;
+ int status;
/* Read phy status to properly get the right settings */
status = phy_read_status(phydev);
@@ -1044,8 +1063,7 @@ int phy_init_eee(struct phy_device *phydev, bool clk_stop_enable)
adv = mmd_eee_adv_to_ethtool_adv_t(eee_adv);
lp = mmd_eee_adv_to_ethtool_adv_t(eee_lp);
- idx = phy_find_setting(phydev->speed, phydev->duplex);
- if (!(lp & adv & settings[idx].setting))
+ if (!phy_check_valid(phydev->speed, phydev->duplex, lp & adv))
goto eee_exit;
if (clk_stop_enable) {