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, 19 Apr 2023 14:56:19 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Rob Herring <robh@...nel.org>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] misc: sram: Generate unique names for subpools

On Wed, Apr 19, 2023 at 12:38 AM Rob Herring <robh@...nel.org> wrote:
> On Mon, Apr 17, 2023 at 09:34:57AM +0200, Linus Walleij wrote:
> > The current code will, if we do not specify unique labels
> > for the SRAM subnodes, fail to register several nodes named
> > the same.
> >
> > Example:
> >
> > sram@...20000 {
> >   (...)
> >   sram@0 {
> >     (...)
> >   };
> >   sram@...0 {
> >     (...)
> >   };
> > };
> >
> > Since the child->name in both cases will be "sram" the
> > gen_pool_create() will fail because the name is not unique.
> > So let's use of_full_node_name() instead of child->name
> > so the name is "sram@0" and "sram@...0" respectively.
> >
> > However if there are two or more SRAMs on the system
> > with subnodes named the same (that exists on the U8500)
> > then this again will not work. So catenate the top node
> > name and the subnode full name to form a string that will
> > always be unique.
>
> Use the naming platform devices use which has the translated address.
> How the addresses are defined should not affect the device name.

Aha just dev_name(&pdev->dev) I'll try this, thanks!

Yours,
Linus Walleij

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ