From patchwork Thu Jan 9 03:28:49 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Guo X-Patchwork-Id: 1220130 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) 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; dmarc=fail (p=none dis=none) header.from=linaro.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 47tWmn6snQz9sR0 for ; Thu, 9 Jan 2020 14:28:57 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727524AbgAID24 (ORCPT ); Wed, 8 Jan 2020 22:28:56 -0500 Received: from mail.kernel.org ([198.145.29.99]:47804 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726913AbgAID2z (ORCPT ); Wed, 8 Jan 2020 22:28:55 -0500 Received: from localhost (98.142.130.235.16clouds.com [98.142.130.235]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 4E187206F0; Thu, 9 Jan 2020 03:28:55 +0000 (UTC) From: Shawn Guo To: Lorenzo Pieralisi , Bjorn Helgaas Cc: Jun Nie , linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Shawn Guo Subject: [PATCH v2 0/2] Improve pcie-histb GPIO reset implementation Date: Thu, 9 Jan 2020 11:28:49 +0800 Message-Id: <20200109032851.13377-1-shawn.guo@linaro.org> X-Mailer: git-send-email 2.17.1 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org It switches pcie-histb PCIe reset code use gpio_desc for GPIO configuration, and corrects the GPIO reset operation as per PCI EXPRESS CARD ELECTROMECHANICAL SPECIFICATION. Changes for v2: - Split into two patches - Capitalize the subject - Add some comments for PCIe reset operation Shawn Guo (2): PCI: histb: Use gpio_desc for PCIe GPIO reset PCI: histb: Correct PCIe reset operation drivers/pci/controller/dwc/pcie-histb.c | 41 ++++++++++++------------- 1 file changed, 20 insertions(+), 21 deletions(-)