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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id EB54FC001E0 for ; Wed, 16 Aug 2023 10:20:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=gAWhVjke67cwj49oURa6NGk6kcSSN7VuRjI6FOtxpZA=; b=jjatRxLzAtZ4Pj ywe2NC+MDceyMlr6R+eMg0T/K2awEIXbT+z5K+qZMxWDTNvoJBOPcSKw0fbB5htrjLd7A4h59Av87 yhCoaoXbHvNtTPeG7qx1Lh+ptNRUfUAUgwkhDMM0NgBdtkd/kSe+z/hG7dfR6QIodtstlzGPBT7t+ ZGCt/aGNfDR4+NfgX6GfF0/G6WOk55WV23HbEo+Iyqo//vBfguvDA5/JR2sZZ+6qx/3ZVDMofgNkh nwHpEQJZR0eKYopIdDu6xvCNQ77PTWWgxSu46Qiz/+J7JSScu3bKN1BUqtk/wQs+MQ0ZciG2WBhdz qgS/xVv70pw/GkWVO1tw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qWDdU-003jmk-0Y; Wed, 16 Aug 2023 10:20:20 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qWDdR-003jkt-38 for linux-arm-kernel@lists.infradead.org; Wed, 16 Aug 2023 10:20:19 +0000 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 010A16640C; Wed, 16 Aug 2023 10:20:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6FE55C433C7; Wed, 16 Aug 2023 10:20:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1692181216; bh=ow9tRMf0gu4FTJ9byjkAVUH5QDlP42E17BJRLDwt9RA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=KjXMvG819bch8IgneZCLWkZCSJF80daxdWAssagyRcUVBv9nv+bDoyLEX+1ChG936 Wy/wuHLaFGAClxUGHX6RmKDlbUyFZGU0o2Sz3ZeiyvZoezDdxbjjBN60nxF71esZIi Kri3fioFD/PVEcYygkhx3SR8gOCiY4fDc8RwmBwzC+gH7o4118PgMZ4Cnn1bhUmA8L qdsGVM4nW1ZrA97aCAWP/f3CDFXAP/SNQZ7melJAj8mnx9q8mUi6V3AkxExjw6ecLI xHb0eQB7Ftjz6u3TDq6TFpEFTKwAwSMCBMx1aTwyzh391k1DhguZhqL6hO/OhbHgNi Oj3t4RFxl2RrA== Date: Wed, 16 Aug 2023 12:20:08 +0200 From: Lorenzo Pieralisi To: Frank Li , bhelgaas@google.com Cc: helgaas@kernel.org, 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, mani@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 v11 1/3] PCI: Add macro PCIE_PME_TO_L2_TIMEOUT_US Message-ID: References: <20230809153540.834653-1-Frank.Li@nxp.com> <20230809153540.834653-2-Frank.Li@nxp.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230809153540.834653-2-Frank.Li@nxp.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230816_032018_076916_FDB13A06 X-CRM114-Status: GOOD ( 14.28 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Aug 09, 2023 at 11:35:38AM -0400, Frank Li wrote: > Introduce the PCIE_PME_TO_L2_TIMEOUT_US macro to facilitate checking the > L2 ready timeout in the PCI subsystem. > > Acked-by: Manivannan Sadhasivam > Signed-off-by: Frank Li > --- > drivers/pci/pci.h | 6 ++++++ > 1 file changed, 6 insertions(+) This patch requires Bjorn's ACK. Lorenzo > 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 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel