Hi Angelo, Thanks for the review. On Tue, 2022-05-03 at 14:19 +0200, AngeloGioacchino Del Regno wrote: > Il 03/05/22 12:23, Nancy.Lin ha scritto: > > Add mtk_mmsys_write_reg API. Simplify code for writing mmsys reg. > > It is a preparation for adding support for mmsys config API. > > > > Signed-off-by: Nancy.Lin <nancy.lin@xxxxxxxxxxxx> > > --- > > drivers/soc/mediatek/mtk-mmsys.c | 35 ++++++++++++++------------- > > ----- > > 1 file changed, 15 insertions(+), 20 deletions(-) > > > > diff --git a/drivers/soc/mediatek/mtk-mmsys.c > > b/drivers/soc/mediatek/mtk-mmsys.c > > index ab3c5cbb0175..3e2e5e3f721d 100644 > > --- a/drivers/soc/mediatek/mtk-mmsys.c > > +++ b/drivers/soc/mediatek/mtk-mmsys.c > > @@ -191,22 +191,26 @@ static int > > mtk_mmsys_find_match_drvdata(struct mtk_mmsys *mmsys, > > return -EINVAL; > > } > > > > +static void mtk_mmsys_write_reg(struct mtk_mmsys *mmsys, u32 > > offset, u32 mask, u32 val) > > +{ > > + u32 tmp; > > + > > + tmp = readl_relaxed(mmsys->regs + offset); > > + tmp = (tmp & ~mask) | val; > > + writel_relaxed(tmp, mmsys->regs + offset); > > +} > > + > > Uhm... this is the equivalent of regmap_update_bits(): I fear that > calling this > mtk_mmsys_write_reg() may lead to confusion. > > I think that a more appropriate name would be mtk_mmsys_update_bits() > or > something similar, recalling that this is not just a register write, > but > a RMW. > > Regards, > Angelo Thanks for your suggestion. I will refine the function name in the next revision. Regards, Nancy