linux-kernel - Re: [PATCH resend 1/1] mfd: intel_soc_pmic: Use CPU-id check instead of

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Wed, 29 Dec 2021 13:33:06 +0000
From:   Lee Jones <lee.jones@...aro.org>
To:     Hans de Goede <hdegoede@...hat.com>
Cc:     Andy Shevchenko <andy@...radead.org>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        linux-kernel@...r.kernel.org, Tsuchiya Yuto <kitakar@...il.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>
Subject: Re: [PATCH resend 1/1] mfd: intel_soc_pmic: Use CPU-id check instead
 of _HRV check to differentiate variants

On Mon, 06 Dec 2021, Hans de Goede wrote:

> The Intel Crystal Cove PMIC has 2 different variants, one for use with
> Bay Trail (BYT) SoCs and one for use with Cherry Trail (CHT) SoCs.
> 
> So far we have been using an ACPI _HRV check to differentiate between
> the 2, but at least on the Microsoft Surface 3, which is a CHT device,
> the wrong _HRV value is reported by ACPI.
> 
> So instead switch to a CPU-ID check which avoids us relying on the
> possibly wrong ACPI _HRV value.
> 
> Reported-by: Tsuchiya Yuto <kitakar@...il.com>
> Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>
> Signed-off-by: Hans de Goede <hdegoede@...hat.com>

I switched these around (same with the other patches).

> ---
>  drivers/mfd/intel_soc_pmic_core.c | 28 +++-------------------------
>  1 file changed, 3 insertions(+), 25 deletions(-)

Applied, thanks.

-- 
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
Follow Linaro: Facebook | Twitter | Blog