From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f179.google.com (mail-pf1-f179.google.com [209.85.210.179]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4999F7C6EB for ; Sat, 29 Jun 2024 12:23:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.179 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719663790; cv=none; b=kgj5wpjjL7/wsRAQp2pLbaNFosrDXuMdV915WilMmbgTZhuIhmyZW68/s19MWWbqikFbcLrzZsoPhSJDBs6Mamz9INVoePN6Zh8Q9XeP87Gzi3tnpAy07HcbNOp7tuZu/YgJT6QzaiVxDB2R0S2WFLtxjHLMWpJOQw827L1nyC8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719663790; c=relaxed/simple; bh=0y5cSgtBlkamEEyslLX8DfwkBZ+qF4qV5H9+Ndn+Qw4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=pJKeRmmp7OA2RniAIb3k4rh9LsS1zFwlAR6n/pPb2SCX2vchJfd2PmAxSMSd4Ryik9GBG18fn3NkX7gKjaIEj7urRwEk1ZRlkHUc+Obiz/8ab+2NxTaSszEl7C0+McZddR/1EEMkzWvp6/QD6+5Qg0MMFITpgVrRbuLkowz06rM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=dJ6PXb5V; arc=none smtp.client-ip=209.85.210.179 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="dJ6PXb5V" Received: by mail-pf1-f179.google.com with SMTP id d2e1a72fcca58-7082dd9bbf8so1196872b3a.1 for ; Sat, 29 Jun 2024 05:23:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1719663789; x=1720268589; darn=lists.linux.dev; h=in-reply-to:content-transfer-encoding:content-disposition :mime-version:references:message-id:subject:cc:to:from:date:from:to :cc:subject:date:message-id:reply-to; bh=hd/fN6JrXuuparzKe/1dgdm1z2pqZRQTyP5PJ9H207I=; b=dJ6PXb5Vvg25woze3fV+EEBoCo8U32lv0PoyxGwLVwtgZpoU6I8auZxV+pSsxsSdLN 2YcmoIuj0YoVfWa3XLUfB2Gl7xDHwpe09PDOn/hGUSkAgX0hdQfVQhHrGRnHEdZJN2nT 6GGtLbN9THQXdRiJ3ci0B3ilIgTgFN4r0WZeT4ggIBjTwe52GhdhcNklmfuppoQaPTUs BRZ5D3VeuwlBLWnKgoJEvku/FsPL9bshZnBeWD430rCYRlabFDgBYn+Iw0OQ85EZHQNO tnhF1DbLPDhVNoj6XpZ8YF2DrTu7+o2uZQHWHuMAobDsHV/OogsT7+0yJ9oQzv407Hoi p1/g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1719663789; x=1720268589; h=in-reply-to:content-transfer-encoding:content-disposition :mime-version:references:message-id:subject:cc:to:from:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=hd/fN6JrXuuparzKe/1dgdm1z2pqZRQTyP5PJ9H207I=; b=OfhomanxJFThOObcGcWNTyVf+OihH7gJSaXtVmN3CK0dM/6yAWbpErx5KVyYWmqKfj jOIuMIcYWZMv3HFIjhab9YH+hmwkj2IERGaJhckkemjcQhgIo3MLb2fxQvmKzwT4cSPc vp4WNS6p5jKAQ9M3qJCzGfckxqBnQGbTi6eXAIh15feyOaO37i6RJpbesaeIGanIrKQt NOOdwuC4y2FYYBHG5b8KXxJI+I0ctlEhPEnOzMCIIF3EY/kuPUcWs0XUx6hvdLb1mcdB M1UU/MqsQTe0t91gElKsXoR1z/OxhovUWApCRXeToRYW8kNXKQrBd25FJsvb4Q1EgR3B bArA== X-Forwarded-Encrypted: i=1; AJvYcCVfaSjGCwxIC0r3DqOYZHDYNDwfTZoO/EY1ApbEeWW0Ql4FCaaKdILGSS3f8wLSfGwPEyUBWIWFi0hqmu/6fMvHfk9t X-Gm-Message-State: AOJu0YxyGlwPLKIYzsixyiG/KcvybaI3UhTv1D2/zzRvUunjgsHWKBOj pV4Lh9lmqVdlD+W3pDDl3n3K/dOEdzDp3I/AI51eqIXs2p6DsIsb/5o65Oxyyg== X-Google-Smtp-Source: AGHT+IEW0u5OjNVhFbntAWf/v7zidI2Sjsqla8PVFtRXPmZZ7xJh0N+dgrcQ2vSjwdtKDdMLAlmuaw== X-Received: by 2002:a05:6a00:2e18:b0:706:8066:5cd6 with SMTP id d2e1a72fcca58-70aaaf31a15mr736491b3a.32.1719663788507; Sat, 29 Jun 2024 05:23:08 -0700 (PDT) Received: from thinkpad ([220.158.156.249]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-70803ecf70asm3179116b3a.102.2024.06.29.05.23.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 29 Jun 2024 05:23:08 -0700 (PDT) Date: Sat, 29 Jun 2024 17:53:01 +0530 From: Manivannan Sadhasivam To: Frank Li Cc: Richard Zhu , Lucas Stach , Lorenzo Pieralisi , Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= , Rob Herring , Bjorn Helgaas , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Philipp Zabel , Liam Girdwood , Mark Brown , Krzysztof Kozlowski , Conor Dooley , linux-pci@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org, devicetree@vger.kernel.org Subject: Re: [PATCH v6 01/10] PCI: imx6: Fix establish link failure in EP mode for iMX8MM and iMX8MP Message-ID: <20240629122301.GB5608@thinkpad> References: <20240617-pci2_upstream-v6-0-e0821238f997@nxp.com> <20240617-pci2_upstream-v6-1-e0821238f997@nxp.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev 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: <20240617-pci2_upstream-v6-1-e0821238f997@nxp.com> On Mon, Jun 17, 2024 at 04:16:37PM -0400, Frank Li wrote: > From: Richard Zhu > > Add IMX6_PCIE_FLAG_HAS_APP_RESET flag to IMX8MM_EP and IMX8MP_EP drvdata. > This flag was overlooked during code restructuring. It is crucial to > release the app-reset from the System Reset Controller before initiating > LTSSM to rectify the issue > > Fixes: 0c9651c21f2a ("PCI: imx6: Simplify reset handling by using *_FLAG_HAS_*_RESET") > Signed-off-by: Richard Zhu > Signed-off-by: Frank Li Reviewed-by: Manivannan Sadhasivam - Mani > --- > drivers/pci/controller/dwc/pci-imx6.c | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) > > diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c > index 917c69edee1d5..9a71b8aa09b3c 100644 > --- a/drivers/pci/controller/dwc/pci-imx6.c > +++ b/drivers/pci/controller/dwc/pci-imx6.c > @@ -1578,7 +1578,8 @@ static const struct imx6_pcie_drvdata drvdata[] = { > }, > [IMX8MM_EP] = { > .variant = IMX8MM_EP, > - .flags = IMX6_PCIE_FLAG_HAS_PHYDRV, > + .flags = IMX6_PCIE_FLAG_HAS_APP_RESET | > + IMX6_PCIE_FLAG_HAS_PHYDRV, > .mode = DW_PCIE_EP_TYPE, > .gpr = "fsl,imx8mm-iomuxc-gpr", > .clk_names = imx8mm_clks, > @@ -1589,7 +1590,8 @@ static const struct imx6_pcie_drvdata drvdata[] = { > }, > [IMX8MP_EP] = { > .variant = IMX8MP_EP, > - .flags = IMX6_PCIE_FLAG_HAS_PHYDRV, > + .flags = IMX6_PCIE_FLAG_HAS_APP_RESET | > + IMX6_PCIE_FLAG_HAS_PHYDRV, > .mode = DW_PCIE_EP_TYPE, > .gpr = "fsl,imx8mp-iomuxc-gpr", > .clk_names = imx8mm_clks, > > -- > 2.34.1 > -- மணிவண்ணன் சதாசிவம்