From patchwork Thu Jun 9 11:52:36 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adrian Hunter X-Patchwork-Id: 9166873 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 20E1660467 for ; Thu, 9 Jun 2016 11:59:13 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1187C2766D for ; Thu, 9 Jun 2016 11:59:13 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 05EFC28342; Thu, 9 Jun 2016 11:59:13 +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=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham 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 85AA92766D for ; Thu, 9 Jun 2016 11:59:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750846AbcFIL7L (ORCPT ); Thu, 9 Jun 2016 07:59:11 -0400 Received: from mga01.intel.com ([192.55.52.88]:48207 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750917AbcFIL7K (ORCPT ); Thu, 9 Jun 2016 07:59:10 -0400 Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga101.fm.intel.com with ESMTP; 09 Jun 2016 04:59:10 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.26,444,1459839600"; d="scan'208";a="998504276" Received: from ahunter-desktop.fi.intel.com ([10.237.72.168]) by fmsmga002.fm.intel.com with ESMTP; 09 Jun 2016 04:59:06 -0700 From: Adrian Hunter To: Ulf Hansson Cc: linux-mmc , Alex Lemberg , Mateusz Nowak , Yuliy Izrailov , Jaehoon Chung , Dong Aisheng , Das Asutosh , Zhangfei Gao , Sujit Reddy Thumma , Dorfman Konstantin , David Griego , Sahitya Tummala , Harjani Ritesh Subject: [PATCH RFC 36/46] mmc: core: Export mmc_retune_hold() and mmc_retune_release() Date: Thu, 9 Jun 2016 14:52:36 +0300 Message-Id: <1465473166-22532-37-git-send-email-adrian.hunter@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1465473166-22532-1-git-send-email-adrian.hunter@intel.com> References: <1465473166-22532-1-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-Virus-Scanned: ClamAV using ClamSMTP Re-tuning can only be done when the Command Queue is empty, when means holding and releasing re-tuning from the block driver, so export those functions. Signed-off-by: Adrian Hunter --- drivers/mmc/core/host.c | 2 ++ drivers/mmc/core/host.h | 2 -- include/linux/mmc/core.h | 3 +++ 3 files changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index d7e86f9b3dab..946692cc0a06 100644 --- a/drivers/mmc/core/host.c +++ b/drivers/mmc/core/host.c @@ -112,6 +112,7 @@ void mmc_retune_hold(struct mmc_host *host) host->retune_now = 1; host->hold_retune += 1; } +EXPORT_SYMBOL(mmc_retune_hold); void mmc_retune_release(struct mmc_host *host) { @@ -120,6 +121,7 @@ void mmc_retune_release(struct mmc_host *host) else WARN_ON(1); } +EXPORT_SYMBOL(mmc_retune_release); int mmc_retune(struct mmc_host *host) { diff --git a/drivers/mmc/core/host.h b/drivers/mmc/core/host.h index 992bf5397633..0787b3002481 100644 --- a/drivers/mmc/core/host.h +++ b/drivers/mmc/core/host.h @@ -17,8 +17,6 @@ void mmc_unregister_host_class(void); void mmc_retune_enable(struct mmc_host *host); void mmc_retune_disable(struct mmc_host *host); -void mmc_retune_hold(struct mmc_host *host); -void mmc_retune_release(struct mmc_host *host); int mmc_retune(struct mmc_host *host); #endif diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h index 63dc01257852..4c6d131cafc2 100644 --- a/include/linux/mmc/core.h +++ b/include/linux/mmc/core.h @@ -204,6 +204,9 @@ extern int mmc_flush_cache(struct mmc_card *); extern int mmc_detect_card_removed(struct mmc_host *host); +extern void mmc_retune_hold(struct mmc_host *host); +extern void mmc_retune_release(struct mmc_host *host); + /** * mmc_claim_host - exclusively claim a host * @host: mmc host to claim