MCP251XFD_REG_CRC
err = regmap_read(priv->map_reg, MCP251XFD_REG_CRC, &crc);
err = regmap_update_bits(priv->map_reg, MCP251XFD_REG_CRC,
err = regmap_write(priv->map_reg, MCP251XFD_REG_CRC, val);
return regmap_write(priv->map_reg, MCP251XFD_REG_CRC, 0);
case MCP251XFD_REG_CRC: