From patchwork Fri Apr 30 15:21:53 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jim Quinlan X-Patchwork-Id: 12233657 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6D8E0C433B4 for ; Fri, 30 Apr 2021 15:22:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 31EB560FE4 for ; Fri, 30 Apr 2021 15:22:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230315AbhD3PWx (ORCPT ); Fri, 30 Apr 2021 11:22:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59134 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230286AbhD3PWx (ORCPT ); Fri, 30 Apr 2021 11:22:53 -0400 Received: from mail-pg1-x531.google.com (mail-pg1-x531.google.com [IPv6:2607:f8b0:4864:20::531]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E26D9C06174A; Fri, 30 Apr 2021 08:22:04 -0700 (PDT) Received: by mail-pg1-x531.google.com with SMTP id s22so28527317pgk.6; Fri, 30 Apr 2021 08:22:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=poX0jQnUQhk/AWMVNFRISSgK6EmCwe0MNgMyHC82XII=; b=CCd2idsJSI0zZznIi6jQkuNv6NT2ZOGhkKAhxxT7RhkX1tohE6I049n5PvJhISot71 v7iuOgmfFQ0sOf/ekj41jebUFQAzBNgRgdwmQWQWhy9sgVyU6mlrtAAXMsMl/HcteIqx L7wGV1sZ77SH3rEd+d7peCrDcWfEiR2D0VE0Ou3k9AOK189dpfFWu8RjSIDE4CQ2Gy9q W9lArQBnmTBHg5Iak9VKk14CJhrXJv5OMEojdBMh78Vn/PB+V0u0qdeAME6zz6cNzBAc aw8Vq4c26N30p0sh7twWsXGCGSecTg+jOaUO/30aj3BwBaUa0ZIxve6uZQP+WFVwGqnS 6e1w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=poX0jQnUQhk/AWMVNFRISSgK6EmCwe0MNgMyHC82XII=; b=F11xOsPLcj1az0PsDCHFyFxJ4t6/cQ31toJglLBniumPFB9R9GIHbbADROzlmHf6uX DjGRcGFCbrR/7hKBCMOiqk+8O2MlDMdiNJyVbWlP9ulWgvLHARcIVF+U1FVRRoDcydqV 8hq/H6gdhdl5M4YuGbzpOiKprZj60neJ54v0rFJXVvZ7swOPBFh9MM01fmRYAfGUrohN DhCm7Oi+vx2uzcwKEKZ97MUXqApq3jO+Wk9xnaIf+JFc9JtudHRCLMzHLpmqnM9MP+AK DKEbd43akY6grBWBvRdc8f6Wyqa0pGe0ZGhBz4F/tU6YeW7TCMzJbddFIEHlO6aLaTHE 2zoQ== X-Gm-Message-State: AOAM5332gZ8tdEwCbVW2GfA/q4as0pgva0380tojzKOM0I66F8GvfJ4e jjPm1U+HU/iKfD7eBk1ICxg= X-Google-Smtp-Source: ABdhPJy4bYpCylHtfAMkcEImKNWx/yD0v+z4IVFEl4ZrDL5pZFkYJrA6dzm5Varx6Sw69FWCyStT7g== X-Received: by 2002:a65:6855:: with SMTP id q21mr5223531pgt.131.1619796124576; Fri, 30 Apr 2021 08:22:04 -0700 (PDT) Received: from stbsrv-and-01.and.broadcom.net ([192.19.231.250]) by smtp.gmail.com with ESMTPSA id q128sm2543034pfb.67.2021.04.30.08.22.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 30 Apr 2021 08:22:03 -0700 (PDT) From: Jim Quinlan To: Bjorn Helgaas , Amjad Ouled-Ameur , Philipp Zabel , linux-pci@vger.kernel.org, Nicolas Saenz Julienne , bcm-kernel-feedback-list@broadcom.com, james.quinlan@broadcom.com, jim2101024@gmail.com Cc: Florian Fainelli , Hans de Goede , Jens Axboe , Jim Quinlan , linux-arm-kernel@lists.infradead.org (moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE), linux-ide@vger.kernel.org (open list:LIBATA SUBSYSTEM (Serial and Parallel ATA drivers)), linux-kernel@vger.kernel.org (open list), linux-rpi-kernel@lists.infradead.org (moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE), Lorenzo Pieralisi , Rob Herring Subject: [PATCH v6 0/3] ata: ahci_brcm: Fix use of BCM7216 reset controller Date: Fri, 30 Apr 2021 11:21:53 -0400 Message-Id: <20210430152156.21162-1-jim2101024@gmail.com> X-Mailer: git-send-email 2.17.1 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org v6 -- Added new commit which adds a missing function to the reset API. This fixes 557acb3d2cd9 and should be destined for linux stable. v5 -- Improved (I hope) commit description (Bjorn). -- Rnamed error labels (Krzyszt). -- Fixed typos. v4 -- does not rely on a pending commit, unlike v3. v3 -- discard commit from v2; instead rely on the new function reset_control_rearm provided in a recent commit [1] applied to reset/next. -- New commit to correct pcie-brcmstb.c usage of a reset controller to use reset/rearm verses deassert/assert. v2 -- refactor rescal-reset driver to implement assert/deassert rather than reset because the reset call only fires once per lifetime and we need to reset after every resume from S2 or S3. -- Split the use of "ahci" and "rescal" controllers in separate fields to keep things simple. v1 -- original Jim Quinlan (3): reset: add missing empty function reset_control_rearm() ata: ahci_brcm: Fix use of BCM7216 reset controller PCI: brcmstb: Use reset/rearm instead of deassert/assert drivers/ata/ahci_brcm.c | 46 +++++++++++++-------------- drivers/pci/controller/pcie-brcmstb.c | 19 +++++++---- include/linux/reset.h | 5 +++ 3 files changed, 41 insertions(+), 29 deletions(-)