[PATCH 6.12 086/113] net: phy: add phy_interface_copy()

Greg Kroah-Hartman
2026-02-09T14:39:44Z

From: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>

[ Upstream commit a571f08d3db215dd6ec294d8faac8cc4184bc4e4 ]

Add a helper for copying PHY interface bitmasks. This will be used by
the SFP bus code, which will then be moved to phylink in the subsequent
patches.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1uydVU-000000061W8-2IDT@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Stable-dep-of: adcbadfd8e05 ("net: sfp: Fix quirk for Ubiquiti U-Fiber Instant SFP module")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
include/linux/phy.h | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/include/linux/phy.h b/include/linux/phy.h
index 6fe5d564beed4..49283facf9320 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -187,6 +187,11 @@ static inline bool phy_interface_empty(const unsigned long *intf)
return bitmap_empty(intf, PHY_INTERFACE_MODE_MAX);
}

+static inline void phy_interface_copy(unsigned long *d, const unsigned long *s)
+{
+ bitmap_copy(d, s, PHY_INTERFACE_MODE_MAX);
+}
+
static inline unsigned int phy_interface_weight(const unsigned long *intf)
{
return bitmap_weight(intf, PHY_INTERFACE_MODE_MAX);
--
2.51.0