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: 3134951 Return-Path: X-Original-To: patchwork-linux-arm@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 E73699F407 for ; Mon, 4 Nov 2013 09:01:59 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id BB2EA2021A for ; Mon, 4 Nov 2013 09:01:58 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 54695201EF for ; Mon, 4 Nov 2013 09:01:57 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VdG10-0005mL-Rl; Mon, 04 Nov 2013 09:00:07 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1VdG0U-0005IH-6d; Mon, 04 Nov 2013 08:59:34 +0000 Received: from mail-db8lp0187.outbound.messaging.microsoft.com ([213.199.154.187] helo=db8outboundpool.messaging.microsoft.com) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VdG01-0005D2-R2 for linux-arm-kernel@lists.infradead.org; Mon, 04 Nov 2013 08:59:07 +0000 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: 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% X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20131104_035906_021036_FF68068A X-CRM114-Status: GOOD ( 11.03 ) X-Spam-Score: -1.9 (-) Cc: ulf.hansson@linaro.org, shawn.guo@linaro.org, s.hauer@pengutronix.de, cjb@laptop.org, b29396@freescale.com, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, 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 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;