drivers/mfd/zl3073x-core.c:44: warning: No description found for return value of 'zl3073x_get_regmap_config'
drivers/mfd/zl3073x-core.c:63: warning: No description found for return value of 'zl3073x_read_reg'
drivers/mfd/zl3073x-core.c:109: warning: No description found for return value of 'zl3073x_write_reg'
drivers/mfd/zl3073x-core.c:53: warning: No description found for return value of 'zl3073x_get_regmap_config'
drivers/mfd/zl3073x-core.c:72: warning: No description found for return value of 'zl3073x_read_reg'
drivers/mfd/zl3073x-core.c:118: warning: No description found for return value of 'zl3073x_write_reg'