From patchwork Tue Jan 23 15:45:35 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Guo X-Patchwork-Id: 864869 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-pci-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.b="CQ51ZAYO"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3zQt270zBZz9sNV for ; Wed, 24 Jan 2018 02:46:23 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752049AbeAWPqV (ORCPT ); Tue, 23 Jan 2018 10:46:21 -0500 Received: from mail-pg0-f67.google.com ([74.125.83.67]:42265 "EHLO mail-pg0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751530AbeAWPp4 (ORCPT ); Tue, 23 Jan 2018 10:45:56 -0500 Received: by mail-pg0-f67.google.com with SMTP id q67so538060pga.9 for ; Tue, 23 Jan 2018 07:45:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id; bh=QLNGJ8xtuxYLZH9FEFylgwnfaOXYfl1JGEyR8k11CSc=; b=CQ51ZAYOUHKAMpjo2XKILCe9eo+Sjvs2+2T5o23J2E9pR36L23HI/dzhcrGLCfeeal eZnSONtwvV1UyEPTRBNlfjSticSnLEh0lb7HmmkGkbhs7CjqyMu4zS7ybNz57WzCkbno +QAoSTw3Xm7UGaNsKXRdIeLL++ruFWmRKg7D8= 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=QLNGJ8xtuxYLZH9FEFylgwnfaOXYfl1JGEyR8k11CSc=; b=ZYZEB/Z3jEz0ByPQwsiQc9JLO0pONsTTfuXexLbgdxQdDy8BzirNvpPxD7cwjW44xo ndmyceGIN/16BX9gR6qiteWqYBZ6aOkuDOCbOMV7+tnT8tLtkHcwr0va4FkHIrS+wnQr XkJgf/lIZvR6UJKIVRyCfKYolaZsm+JG43ShBF4ChgqBtcn5419Ld+SBwsm4Md8cq8Nr JxRUZP9mVIlLh75H6ZJe1LDQtIODiG/IjSNIHJQUqnB7sdpjofDD4s0sxIiCec96cdyQ EWgknM5usfMu2SzpGtQr7NM4OMv/bMYE8rVHDvGCCWpEVdHdM22Oqx9HVF1Ao18f+ph2 ciFA== X-Gm-Message-State: AKwxytfyBPXc+CHoYBmzuPrX+PDhDPMcXd6e1hFvoIeLLLwcMYjBhlu9 kZ5Kjyo4HZc2FlyUCi4kz1O+HA== X-Google-Smtp-Source: AH8x226SterZt9miQP2tP+VDW6b7p/fkG6kMkpkKE5rs9u3lVbPFApgpmrzNcGcZRZJJPf/rBQcCgA== X-Received: by 2002:a17:902:b2c1:: with SMTP id x1-v6mr5931977plw.85.1516722356331; Tue, 23 Jan 2018 07:45:56 -0800 (PST) Received: from localhost.localdomain ([45.56.152.94]) by smtp.gmail.com with ESMTPSA id v15sm7229037pfa.68.2018.01.23.07.45.52 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 23 Jan 2018 07:45:55 -0800 (PST) From: Shawn Guo To: Bjorn Helgaas Cc: Rob Herring , Fabio Estevam , Jianguo Sun , linux-pci@vger.kernel.org, devicetree@vger.kernel.org, project-aspen-dev@linaro.org, Shawn Guo Subject: [PATCH v2 0/2] Add power control for pcie-histb driver Date: Tue, 23 Jan 2018 23:45:35 +0800 Message-Id: <1516722337-1533-1-git-send-email-shawn.guo@linaro.org> X-Mailer: git-send-email 1.9.1 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org The first patch is a small fix which is useful for the second one. This version basically follows Fabio's suggestion to reimplement the first version patch, using a regulator that can be backed by GPIO to control the power to PCIe port. Shawn Guo (2): PCI: histb: fix error path of histb_pcie_host_enable() PCI: histb: add an optional regulator for PCIe port power control .../bindings/pci/hisilicon-histb-pcie.txt | 1 + drivers/pci/dwc/pcie-histb.c | 28 ++++++++++++++++++---- 2 files changed, 25 insertions(+), 4 deletions(-)