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 0C0B91494A8; Fri, 6 Dec 2024 15:07:50 +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=1733497670; cv=none; b=Awf8vBn/IP3cPlLS9uxCGN1PIUGpcvcVOc5Kdt/Q3XHDqrLPROta4if8Q75cgLkNrYjlB7qRFUrex+rSTzqN5GJLbzVstS7MMWLdJDYAETXXzqHfyBdZzVmtP/rhHjxaC93AgOMPC+cmGN1rFE0mETUX/vxaGsh3eyrGP0o4csw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733497670; c=relaxed/simple; bh=XSkFWBmMoiv/2fImnniJoTgIt31vClKPo/RfmwigCME=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=RtKZYPCq1wlpVMXzLowsJYnPaREkfI7oFQjHfnbuBqrF3zlEl5x+DIdDGehEF6H+AmpENFrMYSJdxebtpzR9FMCuiv0+LOVnQgsnzqPrkTq+XBLPdlrNmlCgCAK8MW6Ds9QytY0G0WCrVIHAoauVbHkeNfiDMCNKo2FcvVJ7HqQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=bTAE96uP; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="bTAE96uP" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 88DDCC4CEDE; Fri, 6 Dec 2024 15:07:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1733497669; bh=XSkFWBmMoiv/2fImnniJoTgIt31vClKPo/RfmwigCME=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bTAE96uP90Az1APKNKIZibZ0NTF5V1Tcv8lka7S2t2AknPrL10SpHEtphaVtKYjfW JegRC5qHUYkH/sZbrj8BofSLMaqu7350xlHpbDPyoLb2ATsdiq+tYpgmi3hpsC+BAP V6ZztVz5cOiIIGpL2ZTm8nzJjjIsgdPeoBKJH6T8= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Yoshihiro Shimoda , =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= , Manivannan Sadhasivam , Serge Semin , Sasha Levin Subject: [PATCH 6.6 358/676] PCI: Add T_PVPERL macro Date: Fri, 6 Dec 2024 15:32:57 +0100 Message-ID: <20241206143707.331366347@linuxfoundation.org> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20241206143653.344873888@linuxfoundation.org> References: <20241206143653.344873888@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Yoshihiro Shimoda [ Upstream commit 164f66be0c2523e65df41b755c41b7c9ff58035a ] According to the PCIe CEM r5.0, sec 2.9.2, Power stable to PERST# inactive interval is 100 ms as minimum. Add a macro so that the PCIe controller drivers can make use of it. Link: https://lore.kernel.org/linux-pci/20231018085631.1121289-2-yoshihiro.shimoda.uh@renesas.com Signed-off-by: Yoshihiro Shimoda Signed-off-by: Krzysztof Wilczyński Reviewed-by: Manivannan Sadhasivam Reviewed-by: Serge Semin Stable-dep-of: 22a9120479a4 ("PCI: j721e: Deassert PERST# after a delay of PCIE_T_PVPERL_MS milliseconds") Signed-off-by: Sasha Levin --- drivers/pci/pci.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index d5e9010a135a1..67ec4cf2fdb4c 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -13,6 +13,9 @@ #define PCIE_LINK_RETRAIN_TIMEOUT_MS 1000 +/* Power stable to PERST# inactive from PCIe card Electromechanical Spec */ +#define PCIE_T_PVPERL_MS 100 + /* * PCIe r6.0, sec 5.3.3.2.1 * Recommends 1ms to 10ms timeout to check L2 ready. -- 2.43.0