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

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Message-ID: <279294c6bfb8af858c2d522dbe3b76b2.sboyd@kernel.org>
Date: Wed, 10 Apr 2024 20:47:55 -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 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