linux-kernel - Re: [PATCH] phy: mediatek: mipi: mt8183: fix minimal supported frequency

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]

Date:   Thu, 23 Nov 2023 12:22:45 +0100
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Michael Walle <mwalle@...nel.org>,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        CK Hu <ck.hu@...iatek.com>, Jitao Shi <jitao.shi@...iatek.com>
Cc:     dri-devel@...ts.freedesktop.org,
        linux-mediatek@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-phy@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] phy: mediatek: mipi: mt8183: fix minimal supported
 frequency

Il 23/11/23 12:02, Michael Walle ha scritto:
> The lowest supported clock frequency of the PHY is 125MHz (see also
> mtk_mipi_tx_pll_enable()), but the clamping in .round_rate() has the
> wrong minimal value, which will make the .enable() op return -EINVAL on
> low frequencies. Fix the minimal clamping value.
> 
> Fixes: efda51a58b4a ("drm/mediatek: add mipi_tx driver for mt8183")
> Signed-off-by: Michael Walle <mwalle@...nel.org>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>