diff options
Diffstat (limited to 'target/linux/mvebu/patches-4.9/410-net-phy-allow-settings-table-to-support-more-than-32.patch')
| -rw-r--r-- | target/linux/mvebu/patches-4.9/410-net-phy-allow-settings-table-to-support-more-than-32.patch | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/target/linux/mvebu/patches-4.9/410-net-phy-allow-settings-table-to-support-more-than-32.patch b/target/linux/mvebu/patches-4.9/410-net-phy-allow-settings-table-to-support-more-than-32.patch new file mode 100644 index 0000000..b6d8505 --- /dev/null +++ b/target/linux/mvebu/patches-4.9/410-net-phy-allow-settings-table-to-support-more-than-32.patch @@ -0,0 +1,142 @@ +From: Russell King <rmk+kernel@armlinux.org.uk> +Date: Thu, 5 Jan 2017 16:32:14 +0000 +Subject: [PATCH] net: phy: allow settings table to support more than 32 + link modes + +Allow the phy settings table to support more than 32 link modes by +switching to the ethtool link mode bit number representation, rather +than storing the mask. This will allow phylink and other ethtool +code to share the settings table to look up settings. + +Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> +--- + +--- a/drivers/net/phy/phy.c ++++ b/drivers/net/phy/phy.c +@@ -175,7 +175,7 @@ static inline int phy_aneg_done(struct p + struct phy_setting { + int speed; + int duplex; +- u32 setting; ++ int bit; + }; + + /* A mapping of all SUPPORTED settings to speed/duplex. This table +@@ -185,57 +185,57 @@ static const struct phy_setting settings + { + .speed = SPEED_10000, + .duplex = DUPLEX_FULL, +- .setting = SUPPORTED_10000baseKR_Full, ++ .bit = ETHTOOL_LINK_MODE_10000baseKR_Full_BIT, + }, + { + .speed = SPEED_10000, + .duplex = DUPLEX_FULL, +- .setting = SUPPORTED_10000baseKX4_Full, ++ .bit = ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT, + }, + { + .speed = SPEED_10000, + .duplex = DUPLEX_FULL, +- .setting = SUPPORTED_10000baseT_Full, ++ .bit = ETHTOOL_LINK_MODE_10000baseT_Full_BIT, + }, + { + .speed = SPEED_2500, + .duplex = DUPLEX_FULL, +- .setting = SUPPORTED_2500baseX_Full, ++ .bit = ETHTOOL_LINK_MODE_2500baseX_Full_BIT, + }, + { + .speed = SPEED_1000, + .duplex = DUPLEX_FULL, +- .setting = SUPPORTED_1000baseKX_Full, ++ .bit = ETHTOOL_LINK_MODE_1000baseKX_Full_BIT, + }, + { + .speed = SPEED_1000, + .duplex = DUPLEX_FULL, +- .setting = SUPPORTED_1000baseT_Full, ++ .bit = ETHTOOL_LINK_MODE_1000baseT_Full_BIT, + }, + { + .speed = SPEED_1000, + .duplex = DUPLEX_HALF, +- .setting = SUPPORTED_1000baseT_Half, ++ .bit = ETHTOOL_LINK_MODE_1000baseT_Half_BIT, + }, + { + .speed = SPEED_100, + .duplex = DUPLEX_FULL, +- .setting = SUPPORTED_100baseT_Full, ++ .bit = ETHTOOL_LINK_MODE_100baseT_Full_BIT, + }, + { + .speed = SPEED_100, + .duplex = DUPLEX_HALF, +- .setting = SUPPORTED_100baseT_Half, ++ .bit = ETHTOOL_LINK_MODE_100baseT_Half_BIT, + }, + { + .speed = SPEED_10, + .duplex = DUPLEX_FULL, +- .setting = SUPPORTED_10baseT_Full, ++ .bit = ETHTOOL_LINK_MODE_10baseT_Full_BIT, + }, + { + .speed = SPEED_10, + .duplex = DUPLEX_HALF, +- .setting = SUPPORTED_10baseT_Half, ++ .bit = ETHTOOL_LINK_MODE_10baseT_Half_BIT, + }, + }; + +@@ -243,7 +243,8 @@ static const struct phy_setting settings + * phy_lookup_setting - lookup a PHY setting + * @speed: speed to match + * @duplex: duplex to match +- * @feature: allowed link modes ++ * @mask: allowed link modes ++ * @maxbit: bit size of link modes + * @exact: an exact match is required + * + * Search the settings array for a setting that matches the speed and +@@ -257,13 +258,14 @@ static const struct phy_setting settings + * they all fail, %NULL will be returned. + */ + static const struct phy_setting * +-phy_lookup_setting(int speed, int duplex, u32 features, bool exact) ++phy_lookup_setting(int speed, int duplex, const unsigned long *mask, ++ size_t maxbit, bool exact) + { + const struct phy_setting *p, *match = NULL, *last = NULL; + int i; + + for (i = 0, p = settings; i < ARRAY_SIZE(settings); i++, p++) { +- if (p->setting & features) { ++ if (p->bit < maxbit && test_bit(p->bit, mask)) { + last = p; + if (p->speed == speed && p->duplex == duplex) { + /* Exact match for speed and duplex */ +@@ -302,7 +304,9 @@ phy_lookup_setting(int speed, int duplex + static const struct phy_setting * + phy_find_valid(int speed, int duplex, u32 supported) + { +- return phy_lookup_setting(speed, duplex, supported, false); ++ unsigned long mask = supported; ++ ++ return phy_lookup_setting(speed, duplex, &mask, BITS_PER_LONG, false); + } + + /** +@@ -316,7 +320,9 @@ phy_find_valid(int speed, int duplex, u3 + */ + static inline bool phy_check_valid(int speed, int duplex, u32 features) + { +- return !!phy_lookup_setting(speed, duplex, features, true); ++ unsigned long mask = features; ++ ++ return !!phy_lookup_setting(speed, duplex, &mask, BITS_PER_LONG, true); + } + + /** |