linux-kernel - Re: [PATCH v2 2/3] dmaengine: imx-sdma: Only check ratio on parts that support 1:1

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]

Message-ID: <20190426114840.GV28103@vkoul-mobl>
Date:   Fri, 26 Apr 2019 17:18:40 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     "Angus Ainslie (Purism)" <angus@...ea.ca>
Cc:     angus.ainslie@...i.sm, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Dan Williams <dan.j.williams@...el.com>,
        Lucas Stach <l.stach@...gutronix.de>,
        Carlo Caione <ccaione@...libre.com>,
        Daniel Baluta <daniel.baluta@....com>,
        Guido Günther <agx@...xcpu.org>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, dmaengine@...r.kernel.org
Subject: Re: [PATCH v2 2/3] dmaengine: imx-sdma: Only check ratio on parts
 that support 1:1

On 29-03-19, 08:21, Angus Ainslie (Purism) wrote:
> On imx8mq B0 chip, AHB/SDMA clock ratio 2:1 can't be supported,
> since SDMA clock ratio has to be increased to 250Mhz, AHB can't reach
> to 500Mhz, so use 1:1 instead.
> 
> To limit this change to the imx8mq for now this patch also adds an
> im8mq-sdma compatible string.

Applied, thanks

-- 
~Vinod