From patchwork Mon Mar 13 14:22:59 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kishon Vijay Abraham I X-Patchwork-Id: 9621095 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 3FCE3604A9 for ; Mon, 13 Mar 2017 14:27:17 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 32B0626D05 for ; Mon, 13 Mar 2017 14:27:17 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 277EA26E54; Mon, 13 Mar 2017 14:27:17 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B4E5F26D05 for ; Mon, 13 Mar 2017 14:27:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753575AbdCMO0S (ORCPT ); Mon, 13 Mar 2017 10:26:18 -0400 Received: from fllnx209.ext.ti.com ([198.47.19.16]:9547 "EHLO fllnx209.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753560AbdCMO0N (ORCPT ); Mon, 13 Mar 2017 10:26:13 -0400 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by fllnx209.ext.ti.com (8.15.1/8.15.1) with ESMTP id v2DEOeK7018083; Mon, 13 Mar 2017 09:24:40 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ti.com; s=ti-com-17Q1; t=1489415080; bh=7qIEPPYCAPChp7nwgpTFAlXCzejL7xiknMOGJtcS6so=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=UcTLTxsd0HoWSj+Han0P96hCVucY5sZsFfx884hfSQfaX1EfbJ6KF67zFCt91cqyo CaLn5pue3dtrqXFm/424ZW4PxncwcBpa37/TBnsad8ufFvQETT2Oa5Cjisgv7qT8SZ cbb+1P24wXK/slmGsqG5wLZgpNR9D9OKX273OJCI= Received: from DLEE70.ent.ti.com (dlee70.ent.ti.com [157.170.170.113]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id v2DEOZ2j005295; Mon, 13 Mar 2017 09:24:35 -0500 Received: from dlep32.itg.ti.com (157.170.170.100) by DLEE70.ent.ti.com (157.170.170.113) with Microsoft SMTP Server id 14.3.294.0; Mon, 13 Mar 2017 09:24:34 -0500 Received: from a0393678ub.india.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep32.itg.ti.com (8.14.3/8.13.8) with ESMTP id v2DEN3ed003368; Mon, 13 Mar 2017 09:24:31 -0500 From: Kishon Vijay Abraham I To: Bjorn Helgaas , Joao Pinto , , , , , , CC: , , Subject: [PATCH v4 23/23] ARM: DRA7: clockdomain: Change the CLKTRCTRL of CM_PCIE_CLKSTCTRL to SW_WKUP Date: Mon, 13 Mar 2017 19:52:59 +0530 Message-ID: <20170313142259.25397-24-kishon@ti.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170313142259.25397-1-kishon@ti.com> References: <20170313142259.25397-1-kishon@ti.com> MIME-Version: 1.0 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The PCIe programming sequence in TRM suggests CLKSTCTRL of PCIe should be set to SW_WKUP. There are no issues when CLKSTCTRL is set to HW_AUTO in RC mode. However in EP mode, the host system is not able to access the MEMSPACE and setting the CLKSTCTRL to SW_WKUP fixes it. Acked-by: Tony Lindgren Signed-off-by: Kishon Vijay Abraham I --- arch/arm/mach-omap2/clockdomains7xx_data.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/mach-omap2/clockdomains7xx_data.c b/arch/arm/mach-omap2/clockdomains7xx_data.c index 6c679659cda5..67ebff829cf2 100644 --- a/arch/arm/mach-omap2/clockdomains7xx_data.c +++ b/arch/arm/mach-omap2/clockdomains7xx_data.c @@ -524,7 +524,7 @@ static struct clockdomain pcie_7xx_clkdm = { .dep_bit = DRA7XX_PCIE_STATDEP_SHIFT, .wkdep_srcs = pcie_wkup_sleep_deps, .sleepdep_srcs = pcie_wkup_sleep_deps, - .flags = CLKDM_CAN_HWSUP_SWSUP, + .flags = CLKDM_CAN_SWSUP, }; static struct clockdomain atl_7xx_clkdm = {