linux-kernel - Re: [PATCH v1 03/18] arm64: dts: mediatek: mt6795: xperia-m5: Enable Frequency Hopping

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:   Sat, 25 Mar 2023 22:11:49 +0100
From:   Pavel Machek <pavel@....cz>
To:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Cc:     matthias.bgg@...il.com, qii.wang@...iatek.com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, jassisinghbrar@...il.com,
        houlong.wei@...iatek.com, linux-i2c@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, kernel@...labora.com,
        phone-devel@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht
Subject: Re: [PATCH v1 03/18] arm64: dts: mediatek: mt6795: xperia-m5: Enable
 Frequency Hopping

On Fri 2023-03-24 18:54:41, AngeloGioacchino Del Regno wrote:
> Enable FHCTL with Spread Spectrum for MAINPLL, MPLL and MSDCPLL
> as found on the downstream kernel for this smartphone.
> Which one to enable, and at what SSC percentage, was found by
> dumping the debugging data from a running downstream kernel and
> checking the downstream code.

What advantages does this have? Lower EMI emissions?

Best regards,
							Pavel
							-- 
People of Russia, stop Putin before his war on Ukraine escalates.

Download attachment "signature.asc" of type "application/pgp-signature" (196 bytes)