As almost all of the callers of the regmap_read_poll_timeout macro will include a local ret variable we will always get a Sparse warning about the duplication of the ret variable: warning: symbol 'ret' shadows an earlier one Simply rename the ret variable in the marco to pollret to make this significantly less likely to happen. Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Mark Brown <broonie@kernel.org>