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  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:   Thu, 21 Dec 2017 14:12:56 +0200
From:   Mika Westerberg <>
To:     Linus Walleij <>
Cc:     Andrew Cooks <>,,
        "" <>,
        Nehal Shah <>,
        Shyam Sundar S K <>,
        Ken Xue <>,
        Tobias Diedrich <>,
        Sudheesh Mavila <>,
        platypus-sw <>,
        Timur Tabi <>
Subject: Re: pinctrl-amd: What hardware does it apply to?

On Thu, Dec 21, 2017 at 11:11:18AM +0100, Linus Walleij wrote:
> > In contrast, the pinctrl-amd driver only mentions the newer KERNCZ platform
> > name and uses ACPI for probing without disclosing any Family or Model numbers.
> >
> > pinctrl-amd applies to "AMD0030" and "AMDI0030"
> >
> > The ACPI HID matching makes it difficult to determine what family and model the
> > driver applies to, or rather, I have not been able to find such a mapping of HIDs
> > to family and model numbers. It's also impossible to guess an ACPI _HID
> > that may or may not exist for the Family 16h Model 30h platform and even if I
> > allocate a new HID for our ACPI implementation, that HID has little hope of
> > being accepted into the mainline driver.
> I didn't understand anything of what you just wrote.
> I am basically ignorant when it comes to ACPI details.
> So let's CC the GPIO ACPI maintainer, Mika Westerberg.

If the hardware is not the same that is already supported by the
pinctrl-amd, then you definitely should allocate a new separate ACPI
_HID for it. That's pretty much what we do with every new SoC because
they typically don't have identical pin lists among other things.

Powered by blists - more mailing lists