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This PHY requires some extra programming to work reliably with all devices. Backport upstream fix for it. Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
38 lines
1.2 KiB
Diff
38 lines
1.2 KiB
Diff
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Subject: [PATCH] net: phy: cherry-pick Broadcom drivers updates from v4.15
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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This includes following upstream commits:
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2355a6546a05 net: phy: broadcom: support new device flag for setting master mode
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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---
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--- a/drivers/net/phy/broadcom.c
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+++ b/drivers/net/phy/broadcom.c
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@@ -43,6 +43,12 @@ static int bcm54210e_config_init(struct
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val &= ~BCM54810_SHD_CLK_CTL_GTXCLK_EN;
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bcm_phy_write_shadow(phydev, BCM54810_SHD_CLK_CTL, val);
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+ if (phydev->dev_flags & PHY_BRCM_EN_MASTER_MODE) {
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+ val = phy_read(phydev, MII_CTRL1000);
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+ val |= CTL1000_AS_MASTER | CTL1000_ENABLE_MASTER;
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+ phy_write(phydev, MII_CTRL1000, val);
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+ }
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+
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return 0;
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}
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--- a/include/linux/brcmphy.h
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+++ b/include/linux/brcmphy.h
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@@ -55,6 +55,7 @@
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#define PHY_BRCM_EXT_IBND_TX_ENABLE 0x00002000
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#define PHY_BRCM_CLEAR_RGMII_MODE 0x00004000
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#define PHY_BRCM_DIS_TXCRXC_NOENRGY 0x00008000
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+#define PHY_BRCM_EN_MASTER_MODE 0x00010000
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/* Broadcom BCM7xxx specific workarounds */
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#define PHY_BRCM_7XXX_REV(x) (((x) >> 8) & 0xff)
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