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SubjectRe: [PATCH 1/3] mfd: Add support for Cherry Trail Dollar Cove TI PMIC
On Tue, 22 Aug 2017 11:37:45 +0200,
Andy Shevchenko wrote:
>
> On Tue, 2017-08-22 at 07:57 +0200, Takashi Iwai wrote:
> > This patch adds the MFD driver for Dollar Cove TI PMIC (ACPI INT33F5)
> > that is found on some Intel Cherry Trail devices.
> > The driver is based on the original work by Intel, found at:
> >   https://github.com/01org/ProductionKernelQuilts
> >
> > This is a minimal version for adding the basic resources.  Currently,
> > only ACPI PMIC opregion and the external power-button are used.
>
> Overall looks good. Few comments below.
>
> I hope Hans de Goede had been involved somehow to this. He did enormous
> work to examine all this PMIC/ACPI/I2C stuff on CHT platforms.

Sure, he was of a great help, although he didn't touch directly about
these codes.

> > +#include <linux/module.h>
> > +#include <linux/mfd/core.h>
> > +#include <linux/i2c.h>
> > +#include <linux/interrupt.h>
> > +#include <linux/gpio/consumer.h>
> > +#include <linux/acpi.h>
> > +#include <linux/regmap.h>
> > +#include <linux/mfd/intel_soc_pmic.h>
>
> Alphabetical order?

OK, will rearrange.
Also, gpio stuff was removed from this version, so it's superfluous.
Will rip off.


> > +static const struct i2c_device_id dc_ti_i2c_id[] = {
> > + { }
> > +};
>
> No need anymore. Moreover, you already are using ->probe_new().

OK.


> > +static struct i2c_driver dc_ti_i2c_driver = {
> > + .driver = {
> > + .name = KBUILD_MODNAME,
> > + .pm = &dc_ti_pm_ops,
> > + .acpi_match_table = ACPI_PTR(dc_ti_acpi_ids),
>
> ACPI_PTR is redundant here, driver is solely for ACPI case.

Right.


thanks,

Takashi

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