linux-kernel - RE: [PATCH mfd v1] mfd: Add Renesas Synchronization Management Unit (SMU) support

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Message-ID: <OS3PR01MB6593B9868844AF3D6BB35453BA299@OS3PR01MB6593.jpnprd01.prod.outlook.com>
Date:   Fri, 21 May 2021 20:04:14 +0000
From:   Min Li <min.li.xe@...esas.com>
To:     Lee Jones <lee.jones@...aro.org>
CC:     "sameo@...ux.intel.com" <sameo@...ux.intel.com>,
        "grant.likely@...aro.org" <grant.likely@...aro.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>
Subject: RE: [PATCH mfd v1] mfd: Add Renesas Synchronization Management Unit
 (SMU) support

> >
> > Hi Lee
> >
> > Thanks for taking your time to review my code. I will start working on
> > the core driver. But Kconfig items will stay as MFD_RSMU_I2C and
> > MFD_RSMU_SPI like the existing ones
> >
> > MFD_MADERA_SPI
> > MFD_MADERA_I2C
> 
> And MFD_MADERA
> 
> > MFD_DA9052_SPI
> > MFD_DA9052_I2C
> 
> And PMIC_DA9052
> 
> > MFD_MC13XXX_SPI
> > MFD_MC13XXX_I2C
> 
> And MFD_MC13XXX
> 

Hi Lee

I think I don't need separate Kconfig item MFD_RSMU for core driver since core driver is
meaningless without bus underneath. So can I go with the following example

rsmu-i2c-objs			:= rsmu_core.o rsmu_i2c.o
obj-$(CONFIG_ MFD_RSMU_I2C)	+= rsmu-i2c.o

Thanks

Min