From patchwork Sat Oct 2 11:54:12 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ohad Ben Cohen X-Patchwork-Id: 226751 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id o92BvaqL020347 for ; Sat, 2 Oct 2010 11:57:36 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755377Ab0JBL5f (ORCPT ); Sat, 2 Oct 2010 07:57:35 -0400 Received: from mail-fx0-f46.google.com ([209.85.161.46]:33923 "EHLO mail-fx0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754002Ab0JBL5e (ORCPT ); Sat, 2 Oct 2010 07:57:34 -0400 Received: by mail-fx0-f46.google.com with SMTP id 14so1071577fxm.19 for ; Sat, 02 Oct 2010 04:57:33 -0700 (PDT) Received: by 10.223.118.147 with SMTP id v19mr6544423faq.40.1286020653824; Sat, 02 Oct 2010 04:57:33 -0700 (PDT) Received: from localhost.localdomain (46-116-86-31.bb.netvision.net.il [46.116.86.31]) by mx.google.com with ESMTPS id j14sm1159450faa.23.2010.10.02.04.57.31 (version=TLSv1/SSLv3 cipher=RC4-MD5); Sat, 02 Oct 2010 04:57:33 -0700 (PDT) From: Ohad Ben-Cohen To: , Cc: Chris Ball , Nicolas Pitre , Luciano Coelho , Ohad Ben-Cohen Subject: [PATCH v2 08/11] sdio: ensure mmc_sdio_detect is powered Date: Sat, 2 Oct 2010 13:54:12 +0200 Message-Id: <1286020455-28946-9-git-send-email-ohad@wizery.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1286020455-28946-1-git-send-email-ohad@wizery.com> References: <1286020455-28946-1-git-send-email-ohad@wizery.com> Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter1.kernel.org [140.211.167.41]); Sat, 02 Oct 2010 11:57:36 +0000 (UTC) diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c index 85561dd..c3ad105 100644 --- a/drivers/mmc/core/sdio.c +++ b/drivers/mmc/core/sdio.c @@ -546,6 +546,11 @@ static void mmc_sdio_detect(struct mmc_host *host) BUG_ON(!host); BUG_ON(!host->card); + /* Make sure card is powered before detecting it */ + err = pm_runtime_get_sync(&host->card->dev); + if (err < 0) + goto out; + mmc_claim_host(host); /* @@ -555,6 +560,7 @@ static void mmc_sdio_detect(struct mmc_host *host) mmc_release_host(host); +out: if (err) { mmc_sdio_remove(host); @@ -562,6 +568,9 @@ static void mmc_sdio_detect(struct mmc_host *host) mmc_detach_bus(host); mmc_release_host(host); } + + /* Tell PM core that we're done */ + pm_runtime_put(&host->card->dev); } /*