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phy: warn if phylib and ethtool PHY mode definitions are out of sync

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If new PHY modes are added people may miss to update all relevant places
in the kernel. Therefore add a build bug check for new modes in enum
ethtool_link_mode_bit_indices that haven't been added to phylib yet.

Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Heiner Kallweit 2019-04-13 20:53:43 +02:00 committed by David S. Miller
parent 5a3144e419
commit c6576bfe2f
1 changed files with 5 additions and 0 deletions
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5
drivers/net/phy/phy-core.c
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@ -8,6 +8,11 @@
const char *phy_speed_to_str(int speed)
{
BUILD_BUG_ON_MSG(__ETHTOOL_LINK_MODE_MASK_NBITS != 67,
"Enum ethtool_link_mode_bit_indices and phylib are out of sync. "
"If a speed or mode has been added please update phy_speed_to_str "
"and the PHY settings array.\n");
switch (speed) {
case SPEED_10:
return "10Mbps";