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From: Andy Shevchenko <andy@kernel.org>
To: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>
Cc: Hans de Goede <hdegoede@redhat.com>, platform-driver-x86@vger.kernel.org
Subject: Re: [PATCH v2 2/2] platform/x86: x86-android-tablets: Add Vexia EDU ATLA 10 EC battery driver
Date: Mon, 2 Dec 2024 20:45:29 +0200	[thread overview]
Message-ID: <Z04ASf0znID9C1FN@smile.fi.intel.com> (raw)
In-Reply-To: <b5b40432-77ed-2466-7d30-ce35a239d0ae@linux.intel.com>

On Mon, Dec 02, 2024 at 08:34:01PM +0200, Ilpo Järvinen wrote:
> On Sat, 16 Nov 2024, Hans de Goede wrote:

...

> > +struct atla10_ec_battery_state {
> > +	u8 status;			/* Using ACPI Battery spec status bits */
> > +	u8 capacity;			/* Percent */
> > +	__le16 charge_now_mAh;
> > +	__le16 voltage_now_mV;
> > +	__le16 current_now_mA;
> > +	__le16 charge_full_mAh;
> > +	__le16 temp;			/* centi degrees Celsius */
> > +} __packed;
> > +
> > +struct atla10_ec_battery_info {
> > +	__le16 charge_full_design_mAh;
> > +	__le16 voltage_now_mV;		/* Should be design voltage, but is not ? */
> > +	__le16 charge_full_design2_mAh;
> > +} __packed;
> 
> Both struct have only naturally aligned members. Why is __packed needed?

Wouldn't the second one give sizeof() == 8 rather than 6? Sorry, my memory
about this in C is always flaky.

-- 
With Best Regards,
Andy Shevchenko



  reply	other threads:[~2024-12-02 18:45 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-11-16 12:16 [PATCH v2 1/2] platform/x86/intel: bytcrc_pwrsrc: Optionally register a power_supply dev Hans de Goede
2024-11-16 12:16 ` [PATCH v2 2/2] platform/x86: x86-android-tablets: Add Vexia EDU ATLA 10 EC battery driver Hans de Goede
2024-12-02 18:34   ` Ilpo Järvinen
2024-12-02 18:45     ` Andy Shevchenko [this message]
2024-12-02 21:48       ` Hans de Goede
2024-12-03 12:58         ` Andy Shevchenko
2024-12-03 15:38           ` Ilpo Järvinen
2024-12-03 16:09           ` Hans de Goede
2024-12-03 19:24             ` Andy Shevchenko
2024-11-16 15:16 ` [PATCH v2 1/2] platform/x86/intel: bytcrc_pwrsrc: Optionally register a power_supply dev Hans de Goede
2024-11-17 20:11   ` Andy Shevchenko

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