From: Rafał Miłecki Date: Fri, 13 Oct 2017 12:06:18 +0000 (+0200) Subject: kernel: add fix for bgmac with B50212E B1 PHY X-Git-Tag: v17.01.4~17 X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fopenwrt.git;a=commitdiff_plain;h=8ad1b09c6dcff814eb04084ef349f975025b7dc1 kernel: add fix for bgmac with B50212E B1 PHY This PHY requires some extra programming to work reliably with all devices. Backport upstream fix for it. Signed-off-by: Rafał Miłecki --- diff --git a/target/linux/generic/patches-4.4/073-v4.15-0001-net-bgmac-enable-master-mode-for-BCM54210E-and-B5021.patch b/target/linux/generic/patches-4.4/073-v4.15-0001-net-bgmac-enable-master-mode-for-BCM54210E-and-B5021.patch new file mode 100644 index 0000000000..27cd660b5c --- /dev/null +++ b/target/linux/generic/patches-4.4/073-v4.15-0001-net-bgmac-enable-master-mode-for-BCM54210E-and-B5021.patch @@ -0,0 +1,50 @@ +From 12acd136913ccdf394eeb2bc8686ff5505368119 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Thu, 12 Oct 2017 10:21:26 +0200 +Subject: [PATCH] net: bgmac: enable master mode for BCM54210E and B50212E PHYs +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +There are 4 very similar PHYs: +0x600d84a1: BCM54210E (rev B0) +0x600d84a2: BCM54210E (rev B1) +0x600d84a5: B50212E (rev B0) +0x600d84a6: B50212E (rev B1) +that need setting master mode manually. It's because they run in slave +mode by default with Automatic Slave/Master configuration disabled which +can lead to unreliable connection with massive ping loss. + +So far it was reported for a board with BCM47189 SoC and B50212E B1 PHY +connected to the bgmac supported ethernet device. Telling PHY driver to +setup PHY properly solves this issue. + +Signed-off-by: Rafał Miłecki +Signed-off-by: David S. Miller +--- + drivers/net/ethernet/broadcom/bgmac-bcma.c | 8 +++++++- + 1 file changed, 7 insertions(+), 1 deletion(-) + +--- a/drivers/net/ethernet/broadcom/bgmac-bcma.c ++++ b/drivers/net/ethernet/broadcom/bgmac-bcma.c +@@ -159,13 +159,19 @@ static int bgmac_probe(struct bcma_devic + + if (!bgmac_is_bcm4707_family(core) && + !(ci->id == BCMA_CHIP_ID_BCM53573 && core->core_unit == 1)) { ++ struct phy_device *phydev; ++ + mii_bus = bcma_mdio_mii_register(bgmac); + if (IS_ERR(mii_bus)) { + err = PTR_ERR(mii_bus); + goto err; + } +- + bgmac->mii_bus = mii_bus; ++ ++ phydev = bgmac->mii_bus->phy_map[bgmac->phyaddr]; ++ if (ci->id == BCMA_CHIP_ID_BCM53573 && phydev && ++ (phydev->drv->phy_id & phydev->drv->phy_id_mask) == PHY_ID_BCM54210E) ++ phydev->dev_flags |= PHY_BRCM_EN_MASTER_MODE; + } + + if (core->bus->hosttype == BCMA_HOSTTYPE_PCI) { diff --git a/target/linux/generic/patches-4.4/078-0003-net-phy-cherry-pick-Broadcom-drivers-updates-from-v4.patch b/target/linux/generic/patches-4.4/078-0003-net-phy-cherry-pick-Broadcom-drivers-updates-from-v4.patch index 1186559bbc..b5c528140d 100644 --- a/target/linux/generic/patches-4.4/078-0003-net-phy-cherry-pick-Broadcom-drivers-updates-from-v4.patch +++ b/target/linux/generic/patches-4.4/078-0003-net-phy-cherry-pick-Broadcom-drivers-updates-from-v4.patch @@ -1,6 +1,5 @@ From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= -Subject: [PATCH 1/2] net: phy: cherry-pick Broadcom drivers updates from - v4.10-rc1 +Subject: [PATCH] net: phy: cherry-pick Broadcom drivers updates from v4.10 Signed-off-by: Rafał Miłecki --- diff --git a/target/linux/generic/patches-4.4/078-0004-net-phy-cherry-pick-Broadcom-drivers-updates-from-v4.patch b/target/linux/generic/patches-4.4/078-0004-net-phy-cherry-pick-Broadcom-drivers-updates-from-v4.patch new file mode 100644 index 0000000000..14e4f37fa0 --- /dev/null +++ b/target/linux/generic/patches-4.4/078-0004-net-phy-cherry-pick-Broadcom-drivers-updates-from-v4.patch @@ -0,0 +1,168 @@ +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Subject: [PATCH] net: phy: cherry-pick Broadcom drivers updates from v4.11 +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Signed-off-by: Rafał Miłecki +--- + +--- a/drivers/net/phy/broadcom.c ++++ b/drivers/net/phy/broadcom.c +@@ -30,6 +30,50 @@ MODULE_DESCRIPTION("Broadcom PHY driver" + MODULE_AUTHOR("Maciej W. Rozycki"); + MODULE_LICENSE("GPL"); + ++static int bcm54210e_config_init(struct phy_device *phydev) ++{ ++ int val; ++ ++ val = bcm54xx_auxctl_read(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC); ++ val &= ~MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN; ++ val |= MII_BCM54XX_AUXCTL_MISC_WREN; ++ bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC, val); ++ ++ val = bcm_phy_read_shadow(phydev, BCM54810_SHD_CLK_CTL); ++ val &= ~BCM54810_SHD_CLK_CTL_GTXCLK_EN; ++ bcm_phy_write_shadow(phydev, BCM54810_SHD_CLK_CTL, val); ++ ++ return 0; ++} ++ ++static int bcm54612e_config_init(struct phy_device *phydev) ++{ ++ /* Clear TX internal delay unless requested. */ ++ if ((phydev->interface != PHY_INTERFACE_MODE_RGMII_ID) && ++ (phydev->interface != PHY_INTERFACE_MODE_RGMII_TXID)) { ++ /* Disable TXD to GTXCLK clock delay (default set) */ ++ /* Bit 9 is the only field in shadow register 00011 */ ++ bcm_phy_write_shadow(phydev, 0x03, 0); ++ } ++ ++ /* Clear RX internal delay unless requested. */ ++ if ((phydev->interface != PHY_INTERFACE_MODE_RGMII_ID) && ++ (phydev->interface != PHY_INTERFACE_MODE_RGMII_RXID)) { ++ u16 reg; ++ ++ reg = bcm54xx_auxctl_read(phydev, ++ MII_BCM54XX_AUXCTL_SHDWSEL_MISC); ++ /* Disable RXD to RXC delay (default set) */ ++ reg &= ~MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN; ++ /* Clear shadow selector field */ ++ reg &= ~MII_BCM54XX_AUXCTL_SHDWSEL_MASK; ++ bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC, ++ MII_BCM54XX_AUXCTL_MISC_WREN | reg); ++ } ++ ++ return 0; ++} ++ + static int bcm54810_config(struct phy_device *phydev) + { + int rc, val; +@@ -230,7 +274,15 @@ static int bcm54xx_config_init(struct ph + (phydev->dev_flags & PHY_BRCM_AUTO_PWRDWN_ENABLE)) + bcm54xx_adjust_rxrefclk(phydev); + +- if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54810) { ++ if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54210E) { ++ err = bcm54210e_config_init(phydev); ++ if (err) ++ return err; ++ } else if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54612E) { ++ err = bcm54612e_config_init(phydev); ++ if (err) ++ return err; ++ } else if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54810) { + err = bcm54810_config(phydev); + if (err) + return err; +@@ -375,41 +427,6 @@ static int bcm5481_config_aneg(struct ph + return ret; + } + +-static int bcm54612e_config_aneg(struct phy_device *phydev) +-{ +- int ret; +- +- /* First, auto-negotiate. */ +- ret = genphy_config_aneg(phydev); +- +- /* Clear TX internal delay unless requested. */ +- if ((phydev->interface != PHY_INTERFACE_MODE_RGMII_ID) && +- (phydev->interface != PHY_INTERFACE_MODE_RGMII_TXID)) { +- /* Disable TXD to GTXCLK clock delay (default set) */ +- /* Bit 9 is the only field in shadow register 00011 */ +- bcm_phy_write_shadow(phydev, 0x03, 0); +- } +- +- /* Clear RX internal delay unless requested. */ +- if ((phydev->interface != PHY_INTERFACE_MODE_RGMII_ID) && +- (phydev->interface != PHY_INTERFACE_MODE_RGMII_RXID)) { +- u16 reg; +- +- /* Errata: reads require filling in the write selector field */ +- bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC, +- MII_BCM54XX_AUXCTL_MISC_RDSEL_MISC); +- reg = phy_read(phydev, MII_BCM54XX_AUX_CTL); +- /* Disable RXD to RXC delay (default set) */ +- reg &= ~MII_BCM54XX_AUXCTL_MISC_RXD_RXC_SKEW; +- /* Clear shadow selector field */ +- reg &= ~MII_BCM54XX_AUXCTL_SHDWSEL_MASK; +- bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC, +- MII_BCM54XX_AUXCTL_MISC_WREN | reg); +- } +- +- return ret; +-} +- + static int brcm_phy_setbits(struct phy_device *phydev, int reg, int set) + { + int val; +@@ -548,6 +565,19 @@ static struct phy_driver broadcom_driver + .config_intr = bcm_phy_config_intr, + .driver = { .owner = THIS_MODULE }, + }, { ++ .phy_id = PHY_ID_BCM54210E, ++ .phy_id_mask = 0xfffffff0, ++ .name = "Broadcom BCM54210E", ++ .features = PHY_GBIT_FEATURES | ++ SUPPORTED_Pause | SUPPORTED_Asym_Pause, ++ .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT, ++ .config_init = bcm54xx_config_init, ++ .config_aneg = genphy_config_aneg, ++ .read_status = genphy_read_status, ++ .ack_interrupt = bcm_phy_ack_intr, ++ .config_intr = bcm_phy_config_intr, ++ .driver = { .owner = THIS_MODULE }, ++}, { + .phy_id = PHY_ID_BCM5461, + .phy_id_mask = 0xfffffff0, + .name = "Broadcom BCM5461", +@@ -568,7 +598,7 @@ static struct phy_driver broadcom_driver + SUPPORTED_Pause | SUPPORTED_Asym_Pause, + .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT, + .config_init = bcm54xx_config_init, +- .config_aneg = bcm54612e_config_aneg, ++ .config_aneg = genphy_config_aneg, + .read_status = genphy_read_status, + .ack_interrupt = bcm_phy_ack_intr, + .config_intr = bcm_phy_config_intr, +@@ -710,6 +740,7 @@ module_phy_driver(broadcom_drivers); + static struct mdio_device_id __maybe_unused broadcom_tbl[] = { + { PHY_ID_BCM5411, 0xfffffff0 }, + { PHY_ID_BCM5421, 0xfffffff0 }, ++ { PHY_ID_BCM54210E, 0xfffffff0 }, + { PHY_ID_BCM5461, 0xfffffff0 }, + { PHY_ID_BCM54612E, 0xfffffff0 }, + { PHY_ID_BCM54616S, 0xfffffff0 }, +--- a/include/linux/brcmphy.h ++++ b/include/linux/brcmphy.h +@@ -17,6 +17,7 @@ + #define PHY_ID_BCM5482 0x0143bcb0 + #define PHY_ID_BCM5411 0x00206070 + #define PHY_ID_BCM5421 0x002060e0 ++#define PHY_ID_BCM54210E 0x600d84a0 + #define PHY_ID_BCM5464 0x002060b0 + #define PHY_ID_BCM5461 0x002060c0 + #define PHY_ID_BCM54612E 0x03625e60 diff --git a/target/linux/generic/patches-4.4/078-0004-net-phy-pick-Broadcom-drivers-updates-from-net-next-.patch b/target/linux/generic/patches-4.4/078-0004-net-phy-pick-Broadcom-drivers-updates-from-net-next-.patch deleted file mode 100644 index d050691841..0000000000 --- a/target/linux/generic/patches-4.4/078-0004-net-phy-pick-Broadcom-drivers-updates-from-net-next-.patch +++ /dev/null @@ -1,159 +0,0 @@ ---- a/drivers/net/phy/broadcom.c -+++ b/drivers/net/phy/broadcom.c -@@ -30,6 +30,50 @@ MODULE_DESCRIPTION("Broadcom PHY driver" - MODULE_AUTHOR("Maciej W. Rozycki"); - MODULE_LICENSE("GPL"); - -+static int bcm54210e_config_init(struct phy_device *phydev) -+{ -+ int val; -+ -+ val = bcm54xx_auxctl_read(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC); -+ val &= ~MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN; -+ val |= MII_BCM54XX_AUXCTL_MISC_WREN; -+ bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC, val); -+ -+ val = bcm_phy_read_shadow(phydev, BCM54810_SHD_CLK_CTL); -+ val &= ~BCM54810_SHD_CLK_CTL_GTXCLK_EN; -+ bcm_phy_write_shadow(phydev, BCM54810_SHD_CLK_CTL, val); -+ -+ return 0; -+} -+ -+static int bcm54612e_config_init(struct phy_device *phydev) -+{ -+ /* Clear TX internal delay unless requested. */ -+ if ((phydev->interface != PHY_INTERFACE_MODE_RGMII_ID) && -+ (phydev->interface != PHY_INTERFACE_MODE_RGMII_TXID)) { -+ /* Disable TXD to GTXCLK clock delay (default set) */ -+ /* Bit 9 is the only field in shadow register 00011 */ -+ bcm_phy_write_shadow(phydev, 0x03, 0); -+ } -+ -+ /* Clear RX internal delay unless requested. */ -+ if ((phydev->interface != PHY_INTERFACE_MODE_RGMII_ID) && -+ (phydev->interface != PHY_INTERFACE_MODE_RGMII_RXID)) { -+ u16 reg; -+ -+ reg = bcm54xx_auxctl_read(phydev, -+ MII_BCM54XX_AUXCTL_SHDWSEL_MISC); -+ /* Disable RXD to RXC delay (default set) */ -+ reg &= ~MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN; -+ /* Clear shadow selector field */ -+ reg &= ~MII_BCM54XX_AUXCTL_SHDWSEL_MASK; -+ bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC, -+ MII_BCM54XX_AUXCTL_MISC_WREN | reg); -+ } -+ -+ return 0; -+} -+ - static int bcm54810_config(struct phy_device *phydev) - { - int rc, val; -@@ -230,7 +274,15 @@ static int bcm54xx_config_init(struct ph - (phydev->dev_flags & PHY_BRCM_AUTO_PWRDWN_ENABLE)) - bcm54xx_adjust_rxrefclk(phydev); - -- if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54810) { -+ if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54210E) { -+ err = bcm54210e_config_init(phydev); -+ if (err) -+ return err; -+ } else if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54612E) { -+ err = bcm54612e_config_init(phydev); -+ if (err) -+ return err; -+ } else if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54810) { - err = bcm54810_config(phydev); - if (err) - return err; -@@ -375,41 +427,6 @@ static int bcm5481_config_aneg(struct ph - return ret; - } - --static int bcm54612e_config_aneg(struct phy_device *phydev) --{ -- int ret; -- -- /* First, auto-negotiate. */ -- ret = genphy_config_aneg(phydev); -- -- /* Clear TX internal delay unless requested. */ -- if ((phydev->interface != PHY_INTERFACE_MODE_RGMII_ID) && -- (phydev->interface != PHY_INTERFACE_MODE_RGMII_TXID)) { -- /* Disable TXD to GTXCLK clock delay (default set) */ -- /* Bit 9 is the only field in shadow register 00011 */ -- bcm_phy_write_shadow(phydev, 0x03, 0); -- } -- -- /* Clear RX internal delay unless requested. */ -- if ((phydev->interface != PHY_INTERFACE_MODE_RGMII_ID) && -- (phydev->interface != PHY_INTERFACE_MODE_RGMII_RXID)) { -- u16 reg; -- -- /* Errata: reads require filling in the write selector field */ -- bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC, -- MII_BCM54XX_AUXCTL_MISC_RDSEL_MISC); -- reg = phy_read(phydev, MII_BCM54XX_AUX_CTL); -- /* Disable RXD to RXC delay (default set) */ -- reg &= ~MII_BCM54XX_AUXCTL_MISC_RXD_RXC_SKEW; -- /* Clear shadow selector field */ -- reg &= ~MII_BCM54XX_AUXCTL_SHDWSEL_MASK; -- bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC, -- MII_BCM54XX_AUXCTL_MISC_WREN | reg); -- } -- -- return ret; --} -- - static int brcm_phy_setbits(struct phy_device *phydev, int reg, int set) - { - int val; -@@ -548,6 +565,19 @@ static struct phy_driver broadcom_driver - .config_intr = bcm_phy_config_intr, - .driver = { .owner = THIS_MODULE }, - }, { -+ .phy_id = PHY_ID_BCM54210E, -+ .phy_id_mask = 0xfffffff0, -+ .name = "Broadcom BCM54210E", -+ .features = PHY_GBIT_FEATURES | -+ SUPPORTED_Pause | SUPPORTED_Asym_Pause, -+ .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT, -+ .config_init = bcm54xx_config_init, -+ .config_aneg = genphy_config_aneg, -+ .read_status = genphy_read_status, -+ .ack_interrupt = bcm_phy_ack_intr, -+ .config_intr = bcm_phy_config_intr, -+ .driver = { .owner = THIS_MODULE }, -+}, { - .phy_id = PHY_ID_BCM5461, - .phy_id_mask = 0xfffffff0, - .name = "Broadcom BCM5461", -@@ -568,7 +598,7 @@ static struct phy_driver broadcom_driver - SUPPORTED_Pause | SUPPORTED_Asym_Pause, - .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT, - .config_init = bcm54xx_config_init, -- .config_aneg = bcm54612e_config_aneg, -+ .config_aneg = genphy_config_aneg, - .read_status = genphy_read_status, - .ack_interrupt = bcm_phy_ack_intr, - .config_intr = bcm_phy_config_intr, -@@ -710,6 +740,7 @@ module_phy_driver(broadcom_drivers); - static struct mdio_device_id __maybe_unused broadcom_tbl[] = { - { PHY_ID_BCM5411, 0xfffffff0 }, - { PHY_ID_BCM5421, 0xfffffff0 }, -+ { PHY_ID_BCM54210E, 0xfffffff0 }, - { PHY_ID_BCM5461, 0xfffffff0 }, - { PHY_ID_BCM54612E, 0xfffffff0 }, - { PHY_ID_BCM54616S, 0xfffffff0 }, ---- a/include/linux/brcmphy.h -+++ b/include/linux/brcmphy.h -@@ -17,6 +17,7 @@ - #define PHY_ID_BCM5482 0x0143bcb0 - #define PHY_ID_BCM5411 0x00206070 - #define PHY_ID_BCM5421 0x002060e0 -+#define PHY_ID_BCM54210E 0x600d84a0 - #define PHY_ID_BCM5464 0x002060b0 - #define PHY_ID_BCM5461 0x002060c0 - #define PHY_ID_BCM54612E 0x03625e60 diff --git a/target/linux/generic/patches-4.4/078-0006-net-phy-cherry-pick-Broadcom-drivers-updates-from-v4.patch b/target/linux/generic/patches-4.4/078-0006-net-phy-cherry-pick-Broadcom-drivers-updates-from-v4.patch new file mode 100644 index 0000000000..0723a35701 --- /dev/null +++ b/target/linux/generic/patches-4.4/078-0006-net-phy-cherry-pick-Broadcom-drivers-updates-from-v4.patch @@ -0,0 +1,37 @@ +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Subject: [PATCH] net: phy: cherry-pick Broadcom drivers updates from v4.15 +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +This includes following upstream commits: +2355a6546a05 net: phy: broadcom: support new device flag for setting master mode + +Signed-off-by: Rafał Miłecki +--- + +--- a/drivers/net/phy/broadcom.c ++++ b/drivers/net/phy/broadcom.c +@@ -43,6 +43,12 @@ static int bcm54210e_config_init(struct + val &= ~BCM54810_SHD_CLK_CTL_GTXCLK_EN; + bcm_phy_write_shadow(phydev, BCM54810_SHD_CLK_CTL, val); + ++ if (phydev->dev_flags & PHY_BRCM_EN_MASTER_MODE) { ++ val = phy_read(phydev, MII_CTRL1000); ++ val |= CTL1000_AS_MASTER | CTL1000_ENABLE_MASTER; ++ phy_write(phydev, MII_CTRL1000, val); ++ } ++ + return 0; + } + +--- a/include/linux/brcmphy.h ++++ b/include/linux/brcmphy.h +@@ -55,6 +55,7 @@ + #define PHY_BRCM_EXT_IBND_TX_ENABLE 0x00002000 + #define PHY_BRCM_CLEAR_RGMII_MODE 0x00004000 + #define PHY_BRCM_DIS_TXCRXC_NOENRGY 0x00008000 ++#define PHY_BRCM_EN_MASTER_MODE 0x00010000 + + /* Broadcom BCM7xxx specific workarounds */ + #define PHY_BRCM_7XXX_REV(x) (((x) >> 8) & 0xff) diff --git a/target/linux/generic/patches-4.4/773-bgmac-add-srab-switch.patch b/target/linux/generic/patches-4.4/773-bgmac-add-srab-switch.patch index 5e358c38c1..b3cb087235 100644 --- a/target/linux/generic/patches-4.4/773-bgmac-add-srab-switch.patch +++ b/target/linux/generic/patches-4.4/773-bgmac-add-srab-switch.patch @@ -78,7 +78,7 @@ Signed-off-by: Hauke Mehrtens struct bgmac *bgmac_alloc(struct device *dev); --- a/drivers/net/ethernet/broadcom/bgmac-bcma.c +++ b/drivers/net/ethernet/broadcom/bgmac-bcma.c -@@ -230,6 +230,7 @@ static int bgmac_probe(struct bcma_devic +@@ -236,6 +236,7 @@ static int bgmac_probe(struct bcma_devic bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST; bgmac->feature_flags |= BGMAC_FEAT_NO_RESET; bgmac->feature_flags |= BGMAC_FEAT_FORCE_SPEED_2500;