kernel: add fix for bgmac with B50212E B1 PHY
[openwrt/openwrt.git] / target / linux / generic / pending-4.4 / 078-0006-net-phy-cherry-pick-Broadcom-drivers-updates-from-v4.patch
1 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
2 Subject: [PATCH] net: phy: cherry-pick Broadcom drivers updates from v4.15
3 MIME-Version: 1.0
4 Content-Type: text/plain; charset=UTF-8
5 Content-Transfer-Encoding: 8bit
6
7 This includes following upstream commits:
8 2355a6546a05 net: phy: broadcom: support new device flag for setting master mode
9
10 Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
11 ---
12
13 --- a/drivers/net/phy/broadcom.c
14 +++ b/drivers/net/phy/broadcom.c
15 @@ -43,6 +43,12 @@ static int bcm54210e_config_init(struct
16 val &= ~BCM54810_SHD_CLK_CTL_GTXCLK_EN;
17 bcm_phy_write_shadow(phydev, BCM54810_SHD_CLK_CTL, val);
18
19 + if (phydev->dev_flags & PHY_BRCM_EN_MASTER_MODE) {
20 + val = phy_read(phydev, MII_CTRL1000);
21 + val |= CTL1000_AS_MASTER | CTL1000_ENABLE_MASTER;
22 + phy_write(phydev, MII_CTRL1000, val);
23 + }
24 +
25 return 0;
26 }
27
28 --- a/include/linux/brcmphy.h
29 +++ b/include/linux/brcmphy.h
30 @@ -59,6 +59,7 @@
31 #define PHY_BRCM_EXT_IBND_TX_ENABLE 0x00002000
32 #define PHY_BRCM_CLEAR_RGMII_MODE 0x00004000
33 #define PHY_BRCM_DIS_TXCRXC_NOENRGY 0x00008000
34 +#define PHY_BRCM_EN_MASTER_MODE 0x00010000
35
36 /* Broadcom BCM7xxx specific workarounds */
37 #define PHY_BRCM_7XXX_REV(x) (((x) >> 8) & 0xff)