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 2C27FC433F5 for ; Wed, 11 May 2022 12:51:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242779AbiEKMv5 (ORCPT ); Wed, 11 May 2022 08:51:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59614 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240793AbiEKMvt (ORCPT ); Wed, 11 May 2022 08:51:49 -0400 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 29EB46833A for ; Wed, 11 May 2022 05:51:48 -0700 (PDT) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id F1A3CED1; Wed, 11 May 2022 05:51:47 -0700 (PDT) Received: from e123427-lin.arm.com (unknown [10.57.1.148]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id D77273F66F; Wed, 11 May 2022 05:51:45 -0700 (PDT) From: Lorenzo Pieralisi To: Lucas Stach , Pengutronix Kernel Team , =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= , Francesco Dolcini , Richard Zhu , Fabio Estevam , NXP Linux Team , Rob Herring Cc: Lorenzo Pieralisi , Shawn Guo , Bjorn Helgaas , linux-arm-kernel@lists.infradead.org, Sascha Hauer , linux-pci@vger.kernel.org Subject: Re: [PATCH v3] PCI: imx6: Fix PERST# start-up sequence Date: Wed, 11 May 2022 13:51:39 +0100 Message-Id: <165227348638.11227.1444036865071474526.b4-ty@arm.com> X-Mailer: git-send-email 2.31.0 In-Reply-To: <20220404081509.94356-1-francesco.dolcini@toradex.com> References: <20220404081509.94356-1-francesco.dolcini@toradex.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Mon, 4 Apr 2022 10:15:09 +0200, Francesco Dolcini wrote: > According to the PCIe standard the PERST# signal (reset-gpio in > fsl,imx* compatible dts) should be kept asserted for at least 100 usec > before the PCIe refclock is stable, should be kept asserted for at > least 100 msec after the power rails are stable and the host should wait > at least 100 msec after it is de-asserted before accessing the > configuration space of any attached device. > > [...] Applied to pci/imx6, thanks! [1/1] PCI: imx6: Fix PERST# start-up sequence https://git.kernel.org/lpieralisi/pci/c/a6809941c1 Thanks, Lorenzo 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 E5143C433EF for ; Wed, 11 May 2022 12:52:55 +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:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=+3LCI19RGfS6mqPRTbJFFh939CApZy2acx3Q5kiTNV8=; b=qfqiyofGIlNrpI 6FEb2dk7s2vifD+EioyMCPB3jarIXHe6Z3MWebCYP+rXai00hKvimvwVxlkhrSplM2ZkZuQgCcOz/ MRawh3z8lukDsHMb2gyxhqpnRHLG+BmzfAwVyBowuQafgGRiyQCngKwClhqS7iNMdJqdyn69fo/Q0 lSTQUph1x957BjZLqZwzzWdJH0TjG4lxOdmEkCB9S9iEidG7xaW6b57gbt1vXJ0srLo6GJGQS2jrJ S+AzDI9O/SpQXdEazFC7J9DQcQYdP6JOd6OA2Z99Nk+mPHzBmSi7BG6pgTJ7Bz9pNx8kmo+OOUvKT 1gzT76IhxoTKw4rCoQ4w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nolon-006qbc-N6; Wed, 11 May 2022 12:51:53 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1noloj-006qZt-58 for linux-arm-kernel@lists.infradead.org; Wed, 11 May 2022 12:51:51 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id F1A3CED1; Wed, 11 May 2022 05:51:47 -0700 (PDT) Received: from e123427-lin.arm.com (unknown [10.57.1.148]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id D77273F66F; Wed, 11 May 2022 05:51:45 -0700 (PDT) From: Lorenzo Pieralisi To: Lucas Stach , Pengutronix Kernel Team , =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= , Francesco Dolcini , Richard Zhu , Fabio Estevam , NXP Linux Team , Rob Herring Cc: Lorenzo Pieralisi , Shawn Guo , Bjorn Helgaas , linux-arm-kernel@lists.infradead.org, Sascha Hauer , linux-pci@vger.kernel.org Subject: Re: [PATCH v3] PCI: imx6: Fix PERST# start-up sequence Date: Wed, 11 May 2022 13:51:39 +0100 Message-Id: <165227348638.11227.1444036865071474526.b4-ty@arm.com> X-Mailer: git-send-email 2.31.0 In-Reply-To: <20220404081509.94356-1-francesco.dolcini@toradex.com> References: <20220404081509.94356-1-francesco.dolcini@toradex.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220511_055149_285911_9426F49C X-CRM114-Status: UNSURE ( 7.24 ) X-CRM114-Notice: Please train this message. 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 Mon, 4 Apr 2022 10:15:09 +0200, Francesco Dolcini wrote: > According to the PCIe standard the PERST# signal (reset-gpio in > fsl,imx* compatible dts) should be kept asserted for at least 100 usec > before the PCIe refclock is stable, should be kept asserted for at > least 100 msec after the power rails are stable and the host should wait > at least 100 msec after it is de-asserted before accessing the > configuration space of any attached device. > > [...] Applied to pci/imx6, thanks! [1/1] PCI: imx6: Fix PERST# start-up sequence https://git.kernel.org/lpieralisi/pci/c/a6809941c1 Thanks, Lorenzo _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel