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path: root/drivers/net/phy/phy.c
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Diffstat (limited to 'drivers/net/phy/phy.c')
-rw-r--r--drivers/net/phy/phy.c23
1 files changed, 20 insertions, 3 deletions
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index cdcac6aa4260..52cd8db2c57d 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -236,6 +236,25 @@ static inline unsigned int phy_find_valid(unsigned int idx, u32 features)
236} 236}
237 237
238/** 238/**
239 * phy_check_valid - check if there is a valid PHY setting which matches
240 * speed, duplex, and feature mask
241 * @speed: speed to match
242 * @duplex: duplex to match
243 * @features: A mask of the valid settings
244 *
245 * Description: Returns true if there is a valid setting, false otherwise.
246 */
247static inline bool phy_check_valid(int speed, int duplex, u32 features)
248{
249 unsigned int idx;
250
251 idx = phy_find_valid(phy_find_setting(speed, duplex), features);
252
253 return settings[idx].speed == speed && settings[idx].duplex == duplex &&
254 (settings[idx].setting & features);
255}
256
257/**
239 * phy_sanitize_settings - make sure the PHY is set to supported speed and duplex 258 * phy_sanitize_settings - make sure the PHY is set to supported speed and duplex
240 * @phydev: the target phy_device struct 259 * @phydev: the target phy_device struct
241 * 260 *
@@ -1045,7 +1064,6 @@ int phy_init_eee(struct phy_device *phydev, bool clk_stop_enable)
1045 int eee_lp, eee_cap, eee_adv; 1064 int eee_lp, eee_cap, eee_adv;
1046 u32 lp, cap, adv; 1065 u32 lp, cap, adv;
1047 int status; 1066 int status;
1048 unsigned int idx;
1049 1067
1050 /* Read phy status to properly get the right settings */ 1068 /* Read phy status to properly get the right settings */
1051 status = phy_read_status(phydev); 1069 status = phy_read_status(phydev);
@@ -1077,8 +1095,7 @@ int phy_init_eee(struct phy_device *phydev, bool clk_stop_enable)
1077 1095
1078 adv = mmd_eee_adv_to_ethtool_adv_t(eee_adv); 1096 adv = mmd_eee_adv_to_ethtool_adv_t(eee_adv);
1079 lp = mmd_eee_adv_to_ethtool_adv_t(eee_lp); 1097 lp = mmd_eee_adv_to_ethtool_adv_t(eee_lp);
1080 idx = phy_find_setting(phydev->speed, phydev->duplex); 1098 if (!phy_check_valid(phydev->speed, phydev->duplex, lp & adv))
1081 if (!(lp & adv & settings[idx].setting))
1082 goto eee_exit_err; 1099 goto eee_exit_err;
1083 1100
1084 if (clk_stop_enable) { 1101 if (clk_stop_enable) {