From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E7769C001DB for ; Mon, 7 Aug 2023 13:19:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231567AbjHGNTl (ORCPT ); Mon, 7 Aug 2023 09:19:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34138 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230429AbjHGNTj (ORCPT ); Mon, 7 Aug 2023 09:19:39 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 77FCEE5B; Mon, 7 Aug 2023 06:19:37 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 8821B61ABD; Mon, 7 Aug 2023 13:19:36 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C94ECC433C7; Mon, 7 Aug 2023 13:19:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1691414375; bh=whOUAc25oLPzlTpk5wjf+E0XCgf/YkQr5OBFvqrLFMk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=fKEK6BMxrpiWRwp2S9CbhIz3SmULNKcn9new/RwN2ZAQoeJZfSRPpNx2cGwvRdomH 6IJeLSZaURsKDJtHh36gLqDMabWypSEYUiZo8zqdDqcFopUugllVS+VFs7dFW/E/YP En8M5i7xYD3SOyra8439XomdCWqvQR3InUxIl6eXBF/1jMky8FBtKEH/5h6KuP5nOS LLjws0OaHXxJfWfdJh5Sw8iMCQHrpENG8id9r23/oUj7+5DJ5nw1Fzs0ve7ZTMhfXT E5fZYZ/VkHmtWhyHX8ov0j+8tiwFQYPMgGL4K4s4KZI5nbm1gUXPDZFFvXuSqOR6MC 7R3jZmMtCR8WQ== Date: Mon, 7 Aug 2023 18:49:18 +0530 From: Manivannan Sadhasivam To: Frank Li Cc: helgaas@kernel.org, bhelgaas@google.com, devicetree@vger.kernel.org, gustavo.pimentel@synopsys.com, imx@lists.linux.dev, kw@linux.com, leoyang.li@nxp.com, linux-arm-kernel@lists.infradead.org, linux-imx@nxp.com, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, lorenzo.pieralisi@arm.com, lpieralisi@kernel.org, manivannan.sadhasivam@linaro.org, minghuan.lian@nxp.com, mingkai.hu@nxp.com, robh+dt@kernel.org, roy.zang@nxp.com, shawnguo@kernel.org, zhiqiang.hou@nxp.com Subject: Re: [PATCH v9 1/3] PCI: Add macro PCIE_PME_TO_L2_TIMEOUT_US Message-ID: <20230807131918.GC18257@thinkpad> References: <20230804180637.462573-1-Frank.Li@nxp.com> <20230804180637.462573-2-Frank.Li@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20230804180637.462573-2-Frank.Li@nxp.com> Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Fri, Aug 04, 2023 at 02:06:35PM -0400, Frank Li wrote: > Introduces the PCIE_PME_TO_L2_TIMEOUT_US macro to facilitate checking the s/Introduces/Introduce > PME (Power Management Event) timeout in the PCI subsystem. > L2 ready timeout > Signed-off-by: Frank Li With above changes, Acked-by: Manivannan Sadhasivam - Mani > --- > drivers/pci/pci.h | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h > index a4c3974340576..da8156663c825 100644 > --- a/drivers/pci/pci.h > +++ b/drivers/pci/pci.h > @@ -13,6 +13,12 @@ > > #define PCIE_LINK_RETRAIN_TIMEOUT_MS 1000 > > +/* > + * PCIe r6.0, sec 5.3.3.2.1 > + * Recommends 1ms to 10ms timeout to check L2 ready. > + */ > +#define PCIE_PME_TO_L2_TIMEOUT_US 10000 > + > extern const unsigned char pcie_link_speed[]; > extern bool pci_early_dump; > > -- > 2.34.1 > -- மணிவண்ணன் சதாசிவம்