linux-kernel - Re: [PATCH v2 2/3] ACPI: PMIC: Replace open coded be16_to

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Date:   Wed, 31 Aug 2022 12:34:53 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Mika Westerberg <mika.westerberg@...ux.intel.com>
Cc:     Hans de Goede <hdegoede@...hat.com>, linux-acpi@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Len Brown <lenb@...nel.org>, Andy Shevchenko <andy@...nel.org>
Subject: Re: [PATCH v2 2/3] ACPI: PMIC: Replace open coded be16_to_cpu()

On Wed, Aug 31, 2022 at 08:43:54AM +0300, Mika Westerberg wrote:
> On Tue, Aug 30, 2022 at 08:11:54PM +0300, Andy Shevchenko wrote:
> > -#define VR_MODE_DISABLED        0
> > -#define VR_MODE_AUTO            BIT(0)
> > -#define VR_MODE_NORMAL          BIT(1)
> > -#define VR_MODE_SWITCH          BIT(2)
> > -#define VR_MODE_ECO             (BIT(0)|BIT(1))
> > +#define PMIC_REG_MASK		GENMASK(11, 0)
> > +
> > +#define VR_MODE_DISABLED        (0 << 0)
> > +#define VR_MODE_AUTO            (1 << 0)
> > +#define VR_MODE_NORMAL          (2 << 0)
> > +#define VR_MODE_ECO             (3 << 0)
> > +#define VR_MODE_SWITCH          (4 << 0)
> 
> IMHO this one is worse than what it was.

I'm not sure why. Here is obvious wrong use of BIT() macro against
plain numbers. I can split it into a separate change with an explanation
of why it's better. But I think it doesn't worth the churn.

> Anyway, that's just a nitpick. The other parts look good,
> 
> Reviewed-by: Mika Westerberg <mika.westerberg@...ux.intel.com>

Thanks!

-- 
With Best Regards,
Andy Shevchenko