linux-kernel - Re: [PATCH] clk: mediatek: mt7988-infracfg: fix clocks for 2nd PCIe port

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Message-ID: <72a9ba5cf9384acc89c59123d3c1ea18.sboyd@kernel.org>
Date: Wed, 10 Apr 2024 20:51:33 -0700
From: Stephen Boyd <sboyd@...nel.org>
To: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, Daniel Golle <daniel@...rotopia.org>, Frank Wunderlich <frank-w@...lic-files.de>, Matthias Brugger <matthias.bgg@...il.com>, Michael Turquette <mturquette@...libre.com>, Sam Shih <sam.shih@...iatek.com>, linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH] clk: mediatek: mt7988-infracfg: fix clocks for 2nd PCIe port

Quoting Stephen Boyd (2024-04-10 20:47:55)
> Quoting Daniel Golle (2024-03-13 15:05:37)
> > Due to what seems to be an undocumented oddity in MediaTek's MT7988
> > SoC design the CLK_INFRA_PCIE_PERI_26M_CK_P2 clock requires
> > CLK_INFRA_PCIE_PERI_26M_CK_P3 to be enabled.
> > 
> > This currently leads to PCIe port 2 not working in Linux.
> > 
> > Reflect the apparent relationship in the clk driver to make sure PCIe
> > port 2 of the MT7988 SoC works.
> > 
> > Fixes: 4b4719437d85f ("clk: mediatek: add drivers for MT7988 SoC")
> > Suggested-by: Sam Shih <sam.shih@...iatek.com>
> > Signed-off-by: Daniel Golle <daniel@...rotopia.org>
> > ---
> 
> Applied to clk-next
> 

Actually I'll send this in fixes because it sounds bad.