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From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
To: "Nícolas F. R. A. Prado" <nfraprado@collabora.com>,
	"Matthias Brugger" <matthias.bgg@gmail.com>
Cc: Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	kernel@collabora.com, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org
Subject: Re: [PATCH] arm64: dts: mediatek: mt8195: Add missing clock for xhci1 controller
Date: Tue, 23 Jul 2024 08:18:40 +0200	[thread overview]
Message-ID: <89cac5d3-4ea9-4674-b8de-5fe2e5534bc0@collabora.com> (raw)
In-Reply-To: <20240722-usb-1129-probe-pci-clk-fix-v1-1-99ea804228b6@collabora.com>

Il 22/07/24 17:26, Nícolas F. R. A. Prado ha scritto:
> Currently if the xhci1 controller happens to probe before the pcie1
> controller then it fails with the following errors:
> 
> xhci-mtk 11290000.usb: clocks are not stable (0x1003d0f)
> xhci-mtk 11290000.usb: can't setup: -110
> xhci-mtk: probe of 11290000.usb failed with error -110
> 
> The issue has been tracked down to the CLK_INFRA_AO_PCIE_P1_TL_96M
> clock, although exactly why this pcie clock is needed for the usb
> controller is still unknown. Add the clock to the xhci1 controller so it
> always probes successfully and use a placeholder clock name for it.
> 
> Reported-by: Nícolas F. R. A. Prado <nfraprado@collabora.com> #KernelCI
> Closes: https://lore.kernel.org/all/9fce9838-ef87-4d1b-b3df-63e1ddb0ec51@notapiano/
> Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>

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



  reply	other threads:[~2024-07-23  6:18 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-07-22 15:26 [PATCH] arm64: dts: mediatek: mt8195: Add missing clock for xhci1 controller Nícolas F. R. A. Prado
2024-07-23  6:18 ` AngeloGioacchino Del Regno [this message]
2024-07-25 10:34 ` Chen-Yu Tsai
2024-07-25 12:59   ` Macpaul Lin
2024-07-26 12:11   ` AngeloGioacchino Del Regno
2024-07-26 15:11     ` Chen-Yu Tsai
2024-07-29  7:59       ` AngeloGioacchino Del Regno
2024-07-29  8:07         ` Chen-Yu Tsai
2024-07-29  8:54           ` AngeloGioacchino Del Regno
2024-07-29 10:48             ` Chen-Yu Tsai
2024-07-29 12:34               ` AngeloGioacchino Del Regno
2024-07-29 18:14                 ` Nícolas F. R. A. Prado
2024-07-30  4:17                   ` Chen-Yu Tsai
2024-07-30  9:09                     ` AngeloGioacchino Del Regno

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