linux-kernel - Re: [PATCH 01/15] mfd: Add Cherry Trail Whiskey Cove PMIC driver

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Date:   Mon, 20 Mar 2017 10:41:52 +0000
From:   Lee Jones <lee.jones@...aro.org>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Hans de Goede <hdegoede@...hat.com>,
        "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>, Wolfram Sang <wsa@...-dreams.de>,
        Sebastian Reichel <sre@...nel.org>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        linux-acpi@...r.kernel.org, Takashi Iwai <tiwai@...e.de>,
        linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org, Bin Gao <bin.gao@...el.com>,
        Felipe Balbi <felipe.balbi@...ux.intel.com>
Subject: Re: [PATCH 01/15] mfd: Add Cherry Trail Whiskey Cove PMIC driver

On Fri, 17 Mar 2017, Andy Shevchenko wrote:

> On Fri, 2017-03-17 at 10:55 +0100, Hans de Goede wrote:
> > Add mfd driver for Intel CHT Whiskey Cove PMIC, based on various non
> > upstreamed CHT Whiskey Cove PMIC patches.
> > 
> > This is a somewhat minimal version which adds irqchip support and
> > cells
> > for: ACPI PMIC opregion support, the i2c-controller driving the
> > external
> > charger irc and the pwrsrc/extcon block.
> > 
> > Further cells can be added in the future if/when drivers are
> > upstreamed
> > for them.
> 
> Couple of minor comments, otherwise looks good to me:
> 
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> 
> > +/* Whiskey Cove PMIC share same ACPI ID between different platforms
> > */
> > +#define CHT_WC_HRV		3
> > +
> > +/* Level 1 IRQs (level 2 IRQs are handled in the child device
> > drivers) */
> > +enum {
> > +	CHT_WC_PWRSRC_IRQ = 0,
> > +	CHT_WC_THRM_IRQ,
> > +	CHT_WC_BCU_IRQ,
> > +	CHT_WC_ADC_IRQ,
> > +	CHT_WC_EXT_CHGR_IRQ,
> > +	CHT_WC_GPIO_IRQ,
> > +	/* There is no irq 6 */
> > +	CHT_WC_CRIT_IRQ = 7,
> 
> I would prefer explicit over implicit (adding = N to each line), but
> this is minor.

No need.  The C standard is clear on what is expected of enums.

[...]

> > +	return devm_mfd_add_devices(dev, -1, cht_wc_dev,
> > ARRAY_SIZE(cht_wc_dev),
> > +			NULL, 0, regmap_irq_get_domain(pmic-
> > >irq_chip_data));
> 
> PLATFORM_DEVID_NONE, please.

+1

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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