MCP251XFD_QUIRK_HALF_DUPLEX
priv->devtype_data.quirks |= MCP251XFD_QUIRK_HALF_DUPLEX;
if (priv->devtype_data.quirks & MCP251XFD_QUIRK_HALF_DUPLEX) {
if (priv->devtype_data.quirks & MCP251XFD_QUIRK_HALF_DUPLEX) {
if (!(priv->devtype_data.quirks & MCP251XFD_QUIRK_HALF_DUPLEX))
if (priv->devtype_data.quirks & MCP251XFD_QUIRK_HALF_DUPLEX) {