MCP251XFD_FLAGS_DOWN
clear_bit(MCP251XFD_FLAGS_DOWN, priv->flags);
set_bit(MCP251XFD_FLAGS_DOWN, priv->flags);
set_bit(MCP251XFD_FLAGS_DOWN, priv->flags);
set_bit(MCP251XFD_FLAGS_DOWN, priv->flags);
if (test_bit(MCP251XFD_FLAGS_DOWN, priv->flags))
if (test_bit(MCP251XFD_FLAGS_DOWN, priv->flags))