linux-kernel - Re: [PATCH RESEND v10 6/7] clk: baikal-t1: Add DDR/PCIe directly controlled resets support

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

Message-ID: <c3831c5a-7e10-2112-83e0-4ec2d70001c2@linaro.org>
Date:   Tue, 23 Aug 2022 13:23:32 +0300
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Serge Semin <Sergey.Semin@...kalelectronics.ru>,
        Stephen Boyd <sboyd@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     Serge Semin <fancer.lancer@...il.com>,
        Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>,
        Pavel Parkhomenko <Pavel.Parkhomenko@...kalelectronics.ru>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        linux-clk@...r.kernel.org, linux-mips@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH RESEND v10 6/7] clk: baikal-t1: Add DDR/PCIe directly
 controlled resets support

On 22/08/2022 21:29, Serge Semin wrote:
> Aside with a set of the trigger-like resets Baikal-T1 CCU provides two
> additional blocks with directly controlled reset signals. In particular it
> concerns DDR full and initial resets and various PCIe sub-domains resets.
> Let's add the direct reset assertion/de-assertion of the corresponding
> flags support into the Baikal-T1 CCU driver then. It will be required at
> least for the PCIe platform driver. Obviously the DDR controller isn't
> supposed to be fully reset in the kernel, so the corresponding controls
> are added just for the sake of the interface implementation completeness.
> 
> Signed-off-by: Serge Semin <Sergey.Semin@...kalelectronics.ru>
> Reviewed-by: Philipp Zabel <p.zabel@...gutronix.de>
> 
> ---
> 
> Changelog v6:
> - Refactor the code to support the linear reset IDs only. (@Philipp)
> 
> Changelog v7:
> - Drop empty line from the sys_rst_info structure initialization block.
>   (@Philipp)
> ---
>  drivers/clk/baikal-t1/ccu-rst.c     | 66 +++++++++++++++++++++++++++++
>  drivers/clk/baikal-t1/ccu-rst.h     | 10 +++++
>  include/dt-bindings/reset/bt1-ccu.h |  9 ++++

Do not mix drivers and bindings. Bindings always go separately, so this
has to be split.

Best regards,
Krzysztof