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[2604:1380:45d1:ec00::1]) by mx.google.com with ESMTPS id y13-20020ac85f4d000000b004345e332cbbsi660419qta.641.2024.04.10.20.48.04 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 Apr 2024 20:48:04 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-139727-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) client-ip=2604:1380:45d1:ec00::1; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=R6E9HVvG; arc=pass (i=1 dkim=pass dkdomain=kernel.org); spf=pass (google.com: domain of linux-kernel+bounces-139727-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-139727-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id B08C51C226A0 for ; Thu, 11 Apr 2024 03:48:04 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id C78BF13BAF1; Thu, 11 Apr 2024 03:47:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="R6E9HVvG" Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E99CE13BAC3; Thu, 11 Apr 2024 03:47:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712807278; cv=none; b=PY92MykUv/phaRriT/x0FI9s5hUGXacFMl6US8v6410Mx8MxJpRTZX/xhCWP4uUV7jDkFddbVuoB1Po3sR5+IOe5wh1lMc0emH+D+RlL5sHTWCskoh18FgICHV53Rn1BsFrJD4DyKLUPCNt6eYwgkCtRfxImcZ0kfWRPBfrSyvE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712807278; c=relaxed/simple; bh=Dz15JYU5qz7M/9w39lPz3MiT118049k699KYS05P/7A=; h=Message-ID:Content-Type:MIME-Version:In-Reply-To:References: Subject:From:To:Date; b=KWo/DH1s30ZqNaKc+p75HeNhiCq4bIg8eQQZF5sdD8IBAk0TrD4wW2KzjnZggbO4HSWIh2VIV3OrW/TpXatsBPZLN5BTRuhosvRjUzgfuVN+kCWmPyqb4WCMDn0htxyZsJ2Dx3hFSLztzmUPT15ghYehTZwahSwXPGBv4YAAkqM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=R6E9HVvG; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4A9DAC433C7; Thu, 11 Apr 2024 03:47:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1712807277; bh=Dz15JYU5qz7M/9w39lPz3MiT118049k699KYS05P/7A=; h=In-Reply-To:References:Subject:From:To:Date:From; b=R6E9HVvGHmKi3QW3d6Ls+B9zYQaDqO8zj006/N+H2YTdsBuDVYIk/hwGTTTR7njbL 2vNkFpgixTJ4ouUhCYsyh0tuMV1cjSdXaO3Pm0Pa5D5K826OVmmj/PNzs4ZjbxJraA qr/WuwA+Qo6k/pAH3++69jsRfGHdG0nKyq3XuWe0tqOCjFf+MXnSO6F4QKWztgYTzP hXN22QkhAzAvlb0YSxpQiCEKYMUuDYbKRfR2FHpWXHzb/2gnYQQdm8MiyoBrGIrCB4 2xjrkadu9G7GohDVo03CEDbQyxNQJHFTsIAJ4Ln4RHWPeHGVfiXlvnXj/qN7i1a1xw jc1HZc+QtLKyg== Message-ID: <279294c6bfb8af858c2d522dbe3b76b2.sboyd@kernel.org> Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable In-Reply-To: <1da2506a51f970706bf4ec9509dd04e0471065e5.1710367453.git.daniel@makrotopia.org> References: <1da2506a51f970706bf4ec9509dd04e0471065e5.1710367453.git.daniel@makrotopia.org> Subject: Re: [PATCH] clk: mediatek: mt7988-infracfg: fix clocks for 2nd PCIe port From: Stephen Boyd To: AngeloGioacchino Del Regno , Daniel Golle , Frank Wunderlich , Matthias Brugger , Michael Turquette , Sam Shih , linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org Date: Wed, 10 Apr 2024 20:47:55 -0700 User-Agent: alot/0.10 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. >=20 > This currently leads to PCIe port 2 not working in Linux. >=20 > Reflect the apparent relationship in the clk driver to make sure PCIe > port 2 of the MT7988 SoC works. >=20 > Fixes: 4b4719437d85f ("clk: mediatek: add drivers for MT7988 SoC") > Suggested-by: Sam Shih > Signed-off-by: Daniel Golle > --- Applied to clk-next