[PATCH net-next 1/7] net: phy: add phy_interface_copy()

["Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>]

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>
---
 include/linux/phy.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/linux/phy.h b/include/linux/phy.h
index 6f3b25cb7f4e..ea7454763516 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -169,6 +169,11 @@ 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);
-- 
2.47.3