net: phy: split out PHY speed and duplex string generation

Other code would like to make use of this, so make the speed and duplex
string generation visible, and place it in a separate file.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 49 insertions, 0 deletions

diff --git a/drivers/net/phy/phy-core.c b/drivers/net/phy/phy-core.c
index 6739b738bbaf..bf01a24f21ce 100644
--- a/drivers/net/phy/phy-core.c
+++ b/drivers/net/phy/phy-core.c
@@ -9,6 +9,55 @@
 #include <linux/export.h>
 #include <linux/phy.h>
 
+const char *phy_speed_to_str(int speed)
+{
+	switch (speed) {
+	case SPEED_10:
+		return "10Mbps";
+	case SPEED_100:
+		return "100Mbps";
+	case SPEED_1000:
+		return "1Gbps";
+	case SPEED_2500:
+		return "2.5Gbps";
+	case SPEED_5000:
+		return "5Gbps";
+	case SPEED_10000:
+		return "10Gbps";
+	case SPEED_14000:
+		return "14Gbps";
+	case SPEED_20000:
+		return "20Gbps";
+	case SPEED_25000:
+		return "25Gbps";
+	case SPEED_40000:
+		return "40Gbps";
+	case SPEED_50000:
+		return "50Gbps";
+	case SPEED_56000:
+		return "56Gbps";
+	case SPEED_100000:
+		return "100Gbps";
+	case SPEED_UNKNOWN:
+		return "Unknown";
+	default:
+		return "Unsupported (update phy-core.c)";
+	}
+}
+EXPORT_SYMBOL_GPL(phy_speed_to_str);
+
+const char *phy_duplex_to_str(unsigned int duplex)
+{
+	if (duplex == DUPLEX_HALF)
+		return "Half";
+	if (duplex == DUPLEX_FULL)
+		return "Full";
+	if (duplex == DUPLEX_UNKNOWN)
+		return "Unknown";
+	return "Unsupported (update phy-core.c)";
+}
+EXPORT_SYMBOL_GPL(phy_duplex_to_str);
+
 static void mmd_phy_indirect(struct mii_bus *bus, int phy_addr, int devad,
 			     u16 regnum)
 {