From mboxrd@z Thu Jan 1 00:00:00 1970 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 0364D293B5F; Wed, 30 Jul 2025 09:53:05 +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=1753869186; cv=none; b=tAtN9Ku0egDeIkg+bGuc0JTX3cAxrHaWYEaeP/RiPpAM0C1QXQTzb+os7ISaaYliNHkOITxKUpwUPJpZ3W8EksR/C84VPfspLN34JjJD/BfoIDuee6B8PWH2TUI9UWQvbZqB/cBY7C/Hf8xZOMqab7HGDBRDZTI6wBlhdmXtiaI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753869186; c=relaxed/simple; bh=5Mrrxi9bNBL8D/ee8NRHVOpef29mu452vpZ0ynsESPE=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=P4ghz3QOxrQGdQ/BvQy2ljlgQc4VJBl2ATueZwimoZkx4z/+/sKWxPKt54FKGb66uXAlIBPrEXhuZaB6JQHjKdtmIWSFBPlDLaaMGqvCuEuDL71wslRNam4tspxXontRz7AYkmQoNlsoCmvLTuR4P1b2dUJAY6B02JcL1JWl9S0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=LBFMp/Qt; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="LBFMp/Qt" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 800FEC4CEF5; Wed, 30 Jul 2025 09:53:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1753869185; bh=5Mrrxi9bNBL8D/ee8NRHVOpef29mu452vpZ0ynsESPE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=LBFMp/QttoquzlQynDEx48o4qachvu35Xu5wgZEi84KHfxF4/7NqsilYzjh3g2E0P sTWvy+MuYy8KQX/MM1bm4VvGV1Re+e6/YkCDfkl9dHJJBoQeg1SOKrsZ5TiGlBwmWj +AHIZbOIQcpQLrLyq9f9WXlHZwt6RbsI1JG2ypJ9YkZaLh5upPYBOCyIR4dv28xPt/ Z6ykRMiyzfbqpEkQLGU8OZictU0I76H5hlEsSK5rBP6tguIm2HHDhvJDMKBVL4n/zL c0ExIvaQ2ayGvunrFFAcOFcg2eRK1dg6XfrmlZU/3SS2ydvN0p2sM+GKvBk7C+YI/P QODw0LxLr1CXQ== Received: from johan by xi.lan with local (Exim 4.98.2) (envelope-from ) id 1uh3Ug-000000006Gw-0XOb; Wed, 30 Jul 2025 11:53:06 +0200 Date: Wed, 30 Jul 2025 11:53:06 +0200 From: Johan Hovold To: Ziyue Zhang Cc: andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, jingoohan1@gmail.com, mani@kernel.org, lpieralisi@kernel.org, kwilczynski@kernel.org, bhelgaas@google.com, johan+linaro@kernel.org, vkoul@kernel.org, kishon@kernel.org, neil.armstrong@linaro.org, abel.vesa@linaro.org, kw@linux.com, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-phy@lists.infradead.org, qiang.yu@oss.qualcomm.com, quic_krichai@quicinc.com, quic_vbadigan@quicinc.com Subject: Re: [PATCH v7 2/3] arm64: dts: qcom: sa8775p: remove aux clock from pcie phy Message-ID: References: <20250725102231.3608298-1-ziyue.zhang@oss.qualcomm.com> <20250725102231.3608298-3-ziyue.zhang@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20250725102231.3608298-3-ziyue.zhang@oss.qualcomm.com> On Fri, Jul 25, 2025 at 06:22:30PM +0800, Ziyue Zhang wrote: > The gcc_aux_clk is used by the PCIe Root Complex (RC) and is not required > by the PHY. The correct clock for the PHY is gcc_phy_aux_clk, which this > patch uses to replace the incorrect reference. > > The distinction between AUX_CLK and PHY_AUX_CLK is important: AUX_CLK is > typically used by the controller, while PHY_AUX_CLK is required by certain > PHYs—particularly Gen4 QMP PHYs—for internal operations such as clock > gating and power management. Some non-Gen4 Qualcomm PHYs also use > PHY_AUX_CLK, but they do not require AUX_CLK. > > This change ensures proper clock configuration and avoids unnecessary > dependencies. > > Signed-off-by: Ziyue Zhang With the fixes tag added (Konrad's comment should be picked up by the maintainer/tooling, no need to resend for that): Reviewed-by: Johan Hovold