MCP251XFD_REG_CON_OPMOD_MASK
*mode = FIELD_GET(MCP251XFD_REG_CON_OPMOD_MASK, val);
FIELD_GET(MCP251XFD_REG_CON_OPMOD_MASK,
mode = FIELD_GET(MCP251XFD_REG_CON_OPMOD_MASK, con);