linux-kernel - Re: [PATCH 4/4] platform/x86: Add crystal_cove

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Date:   Sat, 25 Dec 2021 16:37:48 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Hans de Goede <hdegoede@...hat.com>
Cc:     Mark Gross <markgross@...nel.org>,
        Andy Shevchenko <andy@...radead.org>,
        Lee Jones <lee.jones@...aro.org>,
        Stephan Gerhold <stephan@...hold.net>,
        Platform Driver <platform-driver-x86@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 4/4] platform/x86: Add crystal_cove_charger driver

On Sat, Dec 25, 2021 at 1:55 PM Hans de Goede <hdegoede@...hat.com> wrote:
>
> Driver for the external-charger IRQ pass-through function of the
> Bay Trail Crystal Cove PMIC.

Intel Bay Trail (same in the code)

> Note this is NOT a power_supply class driver, it just deals with IRQ
> pass-through, this requires this separate driver because the PMIC's
> level 2 interrupt for this must be explicitly acked.
>
> This new driver gets enabled by the existing X86_ANDROID_TABLETS Kconfig
> option because the x86-android-tablets module is the only user of the
> exported external-charger IRQ.

...

>  drivers/platform/x86/crystal_cove_charger.c | 153 ++++++++++++++++++++

I'm wondering why it's not under the intel/ subfolder. Do we expect to
have the same PMIC used on other x86 vendors?

...

> +static int crystal_cove_charger_probe(struct platform_device *pdev)
> +{

Adding

  struct device *dev = &pdev->dev;

may increase readability a bit and perhaps reduce the amount of LOCs.

-- 
With Best Regards,
Andy Shevchenko