> -----Original Message----- > From: Peter Korsgaard [mailto:jacmet@xxxxxxxxx] On Behalf Of Peter Korsgaard > Sent: 2016年1月13日 22:22 > To: Yang, Wenyou <Wenyou.Yang@xxxxxxxxx> > Cc: Liam Girdwood <lgirdwood@xxxxxxxxx>; Mark Brown <broonie@xxxxxxxxxx>; > Rob Herring <robh+dt@xxxxxxxxxx>; Pawel Moll <pawel.moll@xxxxxxx>; Mark > Rutland <mark.rutland@xxxxxxx>; Ian Campbell <ijc+devicetree@xxxxxxxxxxxxxx>; > Kumar Gala <galak@xxxxxxxxxxxxxx>; Krzysztof Kozlowski > <k.kozlowski@xxxxxxxxxxx>; devicetree@xxxxxxxxxxxxxxx; Ferre, Nicolas > <Nicolas.FERRE@xxxxxxxxx>; linux-kernel@xxxxxxxxxxxxxxx; Javier Martinez > Canillas <javier@xxxxxxxxxxxx>; Lee Jones <lee.jones@xxxxxxxxxx>; linux-arm- > kernel@xxxxxxxxxxxxxxxxxxx > Subject: Re: [PATCH v2 1/2] regulator: act8945a: add regulator driver for > ACT8945A > > >>>>> "Wenyou" == Wenyou Yang <wenyou.yang@xxxxxxxxx> writes: > > > This patch adds new regulator driver to support ACT8945A MFD > chip's > regulators. > > > The ACT8945A has three step-down DC/DC converters and four > low-dropout > regulators. > > > Signed-off-by: Wenyou Yang <wenyou.yang@xxxxxxxxx> > > Isn't the regulator part of the act8945a identical to act8865? Can't we just use the > existing act8865-regulator.c driver? (E.G. support 8865 variant in the mfd driver, > but only register the regulator sub device?) Yes, the regulator part of the act8945a is identical to act8865. But the act8865-regulator driver is a struct i2c_driver, and the mfd sub-device driver is a platform_driver driver, it is not easy to use it. > > -- > Bye, Peter Korsgaard Best Regards, Wenyou Yang ?韬{.n?????%??檩??w?{.n????z谵{???塄}?财??j:+v??????2??璀??摺?囤??z夸z罐?+?????w棹f