From patchwork Mon Nov 4 08:38:28 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aisheng Dong X-Patchwork-Id: 3134891 Return-Path: X-Original-To: patchwork-linux-mmc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 026BABEEB2 for ; Mon, 4 Nov 2013 08:58:48 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 340FC203E6 for ; Mon, 4 Nov 2013 08:58:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2D5FF201EF for ; Mon, 4 Nov 2013 08:58:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752759Ab3KDI6p (ORCPT ); Mon, 4 Nov 2013 03:58:45 -0500 Received: from mail-db8lp0184.outbound.messaging.microsoft.com ([213.199.154.184]:40333 "EHLO db8outboundpool.messaging.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752315Ab3KDI6p (ORCPT ); Mon, 4 Nov 2013 03:58:45 -0500 Received: from mail128-db8-R.bigfish.com (10.174.8.228) by DB8EHSOBE027.bigfish.com (10.174.4.90) with Microsoft SMTP Server id 14.1.225.22; Mon, 4 Nov 2013 08:58:44 +0000 Received: from mail128-db8 (localhost [127.0.0.1]) by mail128-db8-R.bigfish.com (Postfix) with ESMTP id E26D8160222; Mon, 4 Nov 2013 08:58:43 +0000 (UTC) X-Forefront-Antispam-Report: CIP:70.37.183.190; KIP:(null); UIP:(null); IPV:NLI; H:mail.freescale.net; RD:none; EFVD:NLI X-SpamScore: 3 X-BigFish: VS3(zzzz1f42h2148h208ch1ee6h1de0h1fdah2073h2146h1202h1e76h1d1ah1d2ah1fc6h1082kzz1de098h8275bh1de097hz2dh2a8h839hd24he5bhf0ah1288h12a5h12a9h12bdh12e5h137ah139eh13b6h1441h1504h1537h162dh1631h1758h1898h18e1h1946h19b5h1ad9h1b0ah1b2fh2222h1fb3h1d0ch1d2eh1d3fh1dfeh1dffh1e23h1fe8h1ff5h2218h2216h1155h) Received: from mail128-db8 (localhost.localdomain [127.0.0.1]) by mail128-db8 (MessageSwitch) id 1383555522117237_28360; Mon, 4 Nov 2013 08:58:42 +0000 (UTC) Received: from DB8EHSMHS016.bigfish.com (unknown [10.174.8.235]) by mail128-db8.bigfish.com (Postfix) with ESMTP id 180D84E0075; Mon, 4 Nov 2013 08:58:42 +0000 (UTC) Received: from mail.freescale.net (70.37.183.190) by DB8EHSMHS016.bigfish.com (10.174.4.26) with Microsoft SMTP Server (TLS) id 14.16.227.3; Mon, 4 Nov 2013 08:58:41 +0000 Received: from tx30smr01.am.freescale.net (10.81.153.31) by 039-SN1MMR1-002.039d.mgd.msft.net (10.84.1.15) with Microsoft SMTP Server (TLS) id 14.3.158.2; Mon, 4 Nov 2013 08:58:40 +0000 Received: from shlinux2.ap.freescale.net (shlinux2.ap.freescale.net [10.192.224.44]) by tx30smr01.am.freescale.net (8.14.3/8.14.0) with ESMTP id rA48wL4m029914; Mon, 4 Nov 2013 01:58:37 -0700 From: Dong Aisheng To: CC: , , , , , Subject: [PATCH v2 4/5] mmc: sdhci-esdhc-imx: fix runtime pm unblance issue Date: Mon, 4 Nov 2013 16:38:28 +0800 Message-ID: <1383554309-29065-5-git-send-email-b29396@freescale.com> X-Mailer: git-send-email 1.7.2.rc3 In-Reply-To: <1383554309-29065-1-git-send-email-b29396@freescale.com> References: <1383554309-29065-1-git-send-email-b29396@freescale.com> MIME-Version: 1.0 X-OriginatorOrg: freescale.com X-FOPE-CONNECTOR: Id%0$Dn%*$RO%0$TLS%0$FQDN%$TlsDn% Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham 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 Since we're using common esdhc_send_command for tuning commands and the core code will call pm_runtime_put after command is finished. So we add a pm_runtime_get_sync here to get the blance. Signed-off-by: Dong Aisheng --- drivers/mmc/host/sdhci-esdhc-imx.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index 0bd99eb..da8026b 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -698,6 +698,7 @@ static void esdhc_prepare_tuning(struct sdhci_host *host, u32 val) /* FIXME: delay a bit for card to be ready for next tuning due to errors */ mdelay(1); + pm_runtime_get_sync(host->mmc->parent); reg = readl(host->ioaddr + ESDHC_MIX_CTRL); reg |= ESDHC_MIX_CTRL_EXE_TUNE | ESDHC_MIX_CTRL_SMPCLK_SEL | ESDHC_MIX_CTRL_FBCLK_SEL;