From patchwork Wed Sep 24 07:27:33 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adrian Hunter X-Patchwork-Id: 4962011 Return-Path: X-Original-To: patchwork-linux-mmc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id A89699F32B for ; Wed, 24 Sep 2014 07:38:19 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 61F482016C for ; Wed, 24 Sep 2014 07:38:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E080D20253 for ; Wed, 24 Sep 2014 07:38:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752157AbaIXHiN (ORCPT ); Wed, 24 Sep 2014 03:38:13 -0400 Received: from mga11.intel.com ([192.55.52.93]:49240 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752926AbaIXHiN (ORCPT ); Wed, 24 Sep 2014 03:38:13 -0400 Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga102.fm.intel.com with ESMTP; 24 Sep 2014 00:38:12 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.04,587,1406617200"; d="scan'208";a="604509053" Received: from ahunter-desktop.fi.intel.com ([10.237.72.97]) by fmsmga002.fm.intel.com with ESMTP; 24 Sep 2014 00:29:05 -0700 From: Adrian Hunter To: Ulf Hansson , Chris Ball Cc: linux-mmc Subject: [PATCH 7/7] mmc: sdhci-pci: Fix Braswell eMMC timeout clock frequency Date: Wed, 24 Sep 2014 10:27:33 +0300 Message-Id: <1411543653-3728-8-git-send-email-adrian.hunter@intel.com> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1411543653-3728-1-git-send-email-adrian.hunter@intel.com> References: <1411543653-3728-1-git-send-email-adrian.hunter@intel.com> Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Spam-Status: No, score=-7.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Braswell eMMC host controller specifies an incorrect timeout clock frequncy in the capabilities registers. The correct value is 1 MHz. Signed-off-by: Adrian Hunter --- drivers/mmc/host/sdhci-pci.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c index 39499fb..9e791e9 100644 --- a/drivers/mmc/host/sdhci-pci.c +++ b/drivers/mmc/host/sdhci-pci.c @@ -272,6 +272,8 @@ static int byt_emmc_probe_slot(struct sdhci_pci_slot *slot) MMC_CAP_HW_RESET | MMC_CAP_1_8V_DDR; slot->host->mmc->caps2 |= MMC_CAP2_HC_ERASE_SZ; slot->hw_reset = sdhci_pci_int_hw_reset; + if (slot->chip->pdev->device == PCI_DEVICE_ID_INTEL_BSW_EMMC) + slot->host->timeout_clk = 1000; /* 1000 kHz i.e. 1 MHz */ return 0; }