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50 lines
1.7 KiB
Diff
50 lines
1.7 KiB
Diff
From 1da223db3a0c522300b519ecbe1dc45927e28088 Mon Sep 17 00:00:00 2001
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From: Andrew Lunn <andrew@lunn.ch>
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Date: Wed, 12 Sep 2018 01:53:15 +0200
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Subject: [PATCH 600/660] net: ethernet: Add helper for MACs which support asym
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pause
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Rather than have the MAC drivers manipulate phydev members to indicate
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they support Asym Pause, add a helper function.
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Signed-off-by: Andrew Lunn <andrew@lunn.ch>
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Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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drivers/net/phy/phy_device.c | 13 +++++++++++++
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include/linux/phy.h | 1 +
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2 files changed, 14 insertions(+)
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--- a/drivers/net/phy/phy_device.c
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+++ b/drivers/net/phy/phy_device.c
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@@ -1781,6 +1781,19 @@ int phy_set_max_speed(struct phy_device
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}
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EXPORT_SYMBOL(phy_set_max_speed);
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+/**
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+ * phy_support_asym_pause - Enable support of asym pause
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+ * @phydev: target phy_device struct
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+ *
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+ * Description: Called by the MAC to indicate is supports Asym Pause.
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+ */
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+void phy_support_asym_pause(struct phy_device *phydev)
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+{
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+ phydev->supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause;
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+ phydev->advertising = phydev->supported;
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+}
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+EXPORT_SYMBOL(phy_support_asym_pause);
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+
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static void of_set_phy_supported(struct phy_device *phydev)
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{
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struct device_node *node = phydev->mdio.dev.of_node;
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--- a/include/linux/phy.h
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+++ b/include/linux/phy.h
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@@ -1051,6 +1051,7 @@ int phy_mii_ioctl(struct phy_device *phy
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int phy_start_interrupts(struct phy_device *phydev);
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void phy_print_status(struct phy_device *phydev);
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int phy_set_max_speed(struct phy_device *phydev, u32 max_speed);
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+void phy_support_asym_pause(struct phy_device *phydev);
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int phy_register_fixup(const char *bus_id, u32 phy_uid, u32 phy_uid_mask,
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int (*run)(struct phy_device *));
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