linux-kernel - Re: [PATCH v2 29/34] Intel tsens i2c slave driver.

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Date:   Mon, 25 Jan 2021 15:39:35 -0800
From:   mark gross <mgross@...ux.intel.com>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     mgross@...ux.intel.com, markgross@...nel.org, arnd@...db.de,
        bp@...e.de, damien.lemoal@....com, dragan.cvetic@...inx.com,
        gregkh@...uxfoundation.org, corbet@....net,
        leonard.crestez@....com, palmerdabbelt@...gle.com,
        paul.walmsley@...ive.com, peng.fan@....com, robh+dt@...nel.org,
        shawnguo@...nel.org, jassisinghbrar@...il.com,
        linux-kernel@...r.kernel.org,
        "C, Udhayakumar" <udhayakumar.c@...el.com>, C@...ux.intel.com
Subject: Re: [PATCH v2 29/34] Intel tsens i2c slave driver.

On Mon, Jan 11, 2021 at 11:15:06PM -0800, Randy Dunlap wrote:
> On 1/8/21 1:25 PM, mgross@...ux.intel.com wrote:
> > diff --git a/drivers/misc/intel_tsens/Kconfig b/drivers/misc/intel_tsens/Kconfig
> > index 8b263fdd80c3..c2138339bd89 100644
> > --- a/drivers/misc/intel_tsens/Kconfig
> > +++ b/drivers/misc/intel_tsens/Kconfig
> > @@ -14,6 +14,20 @@ config INTEL_TSENS_LOCAL_HOST
> >  	  Say Y if using a processor that includes the Intel VPU such as
> >  	  Keem Bay.  If unsure, say N.
> >  
> > +config INTEL_TSENS_I2C_SLAVE
> > +	bool "I2C slave driver for intel tsens"
> 
> Why bool instead of tristate?
Becuase the I2C driver depends on a file scoped global i2c_plat_data
instanciated in the INTELL_TSENS_LOCAL_HOST DRIVER (intel_tsens_thermal.[ch])

Udhaya, would you care to comment further?

--mark


> 
> > +	depends on INTEL_TSENS_LOCAL_HOST
> > +	select I2C
> > +	select I2C_SLAVE
> > +	help
> > +	  This option enables tsens i2c slave driver.
> 
> 	                            I2C
> 
> > +
> > +	  This driver is used for reporting thermal data via I2C
> > +	  SMBUS to remote host.
> > +	  Enable this option if you want to have support for thermal
> > +	  management controller
> 
> 	             controller.
> 
> > +	  Say Y if using a processor that includes the Intel VPU such as
> > +	  Keem Bay.  If unsure, say N.
> 
> 
> -- 
> ~Randy
>