linux-kernel - Re: [PATCH v3] clk: at91: utmi: set the mainck rate

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: <54f5a2d5-0dd3-e272-12e5-edc91fb2111e@gmx.de>
Date:   Wed, 6 Sep 2017 12:25:01 +0200
From:   Ingo van Lil <inguin@....de>
To:     Ludovic Desroches <ludovic.desroches@...rochip.com>,
        linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc:     boris.brezillon@...e-electrons.com, mturquette@...libre.com,
        sboyd@...eaurora.org, nicolas.ferre@...rochip.com,
        alexandre.belloni@...e-electrons.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] clk: at91: utmi: set the mainck rate

On 09/06/2017 11:51 AM, Ludovic Desroches wrote:

> By default, it is assumed that the UTMI clock is generated from a 12 MHz
> reference clock (MAINCK). If it's not the case, the FREQ field of the
> SFR_UTMICKTRIM has to be updated to generate the UTMI clock in the
> proper way.
> 
> The UTMI clock has a fixed rate of 480 MHz. In fact, there is no
> multiplier we can configure. The multiplier is managed internally,
> depending on the reference clock frequency, to achieve the target of
> 480 MHz.
> 
> Signed-off-by: Ludovic Desroches <ludovic.desroches@...rochip.com>

Works fine with all my boards. Thanks!

Acked-by: Ingo van Lil <inguin@....de>

Regards,
Ingo