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 3604CC76196 for ; Thu, 6 Apr 2023 21:32:50 +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-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-Transfer-Encoding:Content-ID:Content-Description:Resent-Date :Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=h/YWFX8yCQa6a/DK8P9jdo7JYb/kBbAgQWRP6Q8iLTU=; b=fLUCSfO4jWw8rndrl7ruLAtLpg kb1YCDUUbe8Q6merH2lNnDvpC4d2BJU98miJ0E1iTiPSR66OsCiOHKSBJNBbLUcl4u8pw+i/u/AMQ hUyNHZda6E0nIFoQnseC0BEyiLzMErFL6tOIxFilnr6O+81UEuFzLaAC3qhKQTeBf5tDx7iYeRtrh GUS0LAW/jZnBB+hKOW+zjcYVSmcIwkunKzPH6AyK9d7b4Hgas+ZWEmolWI6qH1/hOecPs3ClSRBbU gVCNiVLIO3H6CtXCVt9TYQ5id/UGAcf/0xoW0XE/suotYyqxJ5is+YxMySLzVSf+xwS8xzXTwnbyh zLwYWWcQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pkXCt-008doW-0X; Thu, 06 Apr 2023 21:31:47 +0000 Received: from stravinsky.debian.org ([2001:41b8:202:deb::311:108]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pkXCp-008dmr-2G; Thu, 06 Apr 2023 21:31:45 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=debian.org; s=smtpauto.stravinsky; h=X-Debian-User:In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=5lYMx1AJfwdjuXMvx33uKHvBVXBN3hKr68FwdEgC5KY=; b=C4Hkc9uodAPp0nt7zWvcGENzK9 yXg8OLttG/vkoj3n8yhB9v9cbmay7wCYj2BOcEc9rtc1SmDo4r4wXqnFtoKmj/doMwwGK3CEzabLv cuSrpFieMIWOOmf3tm3/ffrfm5TvAeTyNS3HxZeuYIILTf4konjQnaA20ITp1m9Tm1ITQnyc3iv4v 5IFZbpHa1k4BHVtGAtAS2J6KuLY7RRxxuXng6zNHEptulc8alJhDvhwlIn3gXA3wpEoQwYUWTWrZP jKDLU64zY9LmT1GJy1lzvNRgC+B/09qsF5Fk+WQ2sucaMYc6yI1oQxKTunr95PdmIT1fxkFgA4Qwi etWzcG3w==; Received: from authenticated user by stravinsky.debian.org with esmtpsa (TLS1.3:ECDHE_SECP256R1__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.94.2) (envelope-from ) id 1pkXCY-00CCYR-DM; Thu, 06 Apr 2023 21:31:27 +0000 Date: Thu, 6 Apr 2023 23:31:23 +0200 From: Cyril Brulebois To: Jim Quinlan Cc: linux-pci@vger.kernel.org, Nicolas Saenz Julienne , Bjorn Helgaas , Lorenzo Pieralisi , Phil Elwell , bcm-kernel-feedback-list@broadcom.com, james.quinlan@broadcom.com, "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" , open list , "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" , Rob Herring , Hank Barta Subject: Re: [PATCH v1 0/3] PCI: brcmstb: Clkreq# accomodations of downstream device Message-ID: <20230406213123.wcztrbmhdpukoby2@mraw.org> Organization: Debian References: <20230406124625.41325-1-jim2101024@gmail.com> MIME-Version: 1.0 In-Reply-To: <20230406124625.41325-1-jim2101024@gmail.com> X-Debian-User: kibi X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230406_143143_738930_61BE2E73 X-CRM114-Status: GOOD ( 11.86 ) 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: multipart/mixed; boundary="===============2668177977844052780==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============2668177977844052780== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="huvxf4pce7occ4no" Content-Disposition: inline --huvxf4pce7occ4no Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi Jim, Jim Quinlan (2023-04-06): > The current driver assumes the downstream devices can provide clkreq# for > ASPM. These commits accomodate devices w/ or w/o clkreq# and also handle > L1SS-capable devices. >=20 > The Raspian Linux folks have already been using a PCIe RC property > "brcm,enable-l1ss". These commits use the same property, in a > backward-compatible manner, and the implementaion adds more detail and al= so > automatically identifies devices w/o a clkreq# signal, i.e. most devices > plugged into an RPi CM4 IO board. >=20 > Jim Quinlan (3): > dt-bindings: PCI: brcmstb: Add two optional props > PCI: brcmstb: Clkreq# accomodations of downstream device > PCI: brcmstb: Allow setting the completion timeout >=20 > .../bindings/pci/brcm,stb-pcie.yaml | 12 +++ > drivers/pci/controller/pcie-brcmstb.c | 93 +++++++++++++++++-- > 2 files changed, 95 insertions(+), 10 deletions(-) >=20 >=20 > base-commit: 99ddf2254febae9eab7fb0bcc02c5322243f5c49 I've just verified with the exact same hardware as in Bugzilla#217276 that latest master (v6.3-rc5-137-gf2afccfefe7b) still gets a kernel panic at boot, which goes away once those 3 patches are applied. Do you need any extra information, log excerpt, or something like that? Cheers, --=20 Cyril Brulebois (kibi@debian.org) D-I release manager -- Release team member -- Freelance Consultant --huvxf4pce7occ4no Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEtg6/KYRFPHDXTPR4/5FK8MKzVSAFAmQvOicACgkQ/5FK8MKz VSBVCw/+MGW7YQ5aLMIMlsR3WkQfONllYhPGqTdxSLKft0xScIntkoX19WwNK9sk VsMzs461n5ZQQbjJfN9GlKjkPBYOa24nTn0u6Sqa/tDEmBWzvoNSmXut7ak8Dh2t 4ih/LWqRmqbWlu9zb2dNeJG4w0jWHyeYlKRsoLxAXViH2LpPdHXTq7aBci4rSV7g Ui6wTO2FMhv9LPehezB6lFi2HqT18zTQnsZqalFufang4esARaqCKVGGZ6ZQ5ugH fW0rI6Ept0CXH5nmFjzP696vGNNrps7HD7RzDFPzY/rOgjbDh6UuyntFW79qIRkY k/bV0vTlS0PNkHdKXc2w4eVgIDWDL2QsxsCckOIw4DDtzz/KMcaeIlD5ueuDt16t EA3otoIiOMkei/kWKJRb2Z0ow3dDdWW/5P/0JqZc1S6zPO+5KQuhwe1LBfGrnZbL KEGU4KBmV6WvkyL9ZDZHP37R3CnD9afe/w6AJWZqNiNKSde0VqPgzSY6cqMwRGPS FttoeN9VHMZjesviHdCH0mXiB2c75ihvcsX18eWXSbWHpE7KU6B8aH5ye1zhEw7r PdPTBd19gnOlSMYZEAG5q0dVkdsC0ja4mmwL73xAx0kYHHO1Qq5sM3IY3qhi+4T6 OhYQlKu2FrD1qZkVnugXOIwyragOmlBrSbvHnWOMFcj/d8VK9K0= =pyNy -----END PGP SIGNATURE----- --huvxf4pce7occ4no-- --===============2668177977844052780== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============2668177977844052780==--