From patchwork Wed Nov 16 16:00:45 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ritesh Harjani X-Patchwork-Id: 9432027 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 D8D1360469 for ; Wed, 16 Nov 2016 16:02:57 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C7BF427D29 for ; Wed, 16 Nov 2016 16:02:57 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id BB9D728F70; Wed, 16 Nov 2016 16:02:57 +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=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID 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 62AC827D29 for ; Wed, 16 Nov 2016 16:02:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932721AbcKPQCz (ORCPT ); Wed, 16 Nov 2016 11:02:55 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:48522 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932458AbcKPQCx (ORCPT ); Wed, 16 Nov 2016 11:02:53 -0500 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 00A4361562; Wed, 16 Nov 2016 16:02:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1479312172; bh=G4TgMJ64lhP5pSjKXhB6mxO7rgB7+n6X1GZMkezi7N0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VFXHPVrmuITYYRqsxAcfEyMGa1ly9sChr5InVWw7y1VCIZHiY2RfxPoiz7IktEuwn bGDOw7BVy7ueWdImrK5NJGsDIp5ayvYSOmCPu1FfmoIsIBWJT3gMrGPPbch1QhgIja wEY73D1fSKP9Opc0y8TxibOwLzGeakS/o8277eQs= Received: from rharjani-linux.qualcomm.com (unknown [202.46.23.54]) (using TLSv1.1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: riteshh@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 8F6A261563; Wed, 16 Nov 2016 16:02:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1479312170; bh=G4TgMJ64lhP5pSjKXhB6mxO7rgB7+n6X1GZMkezi7N0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YpPdKFir0gWFnb5guQNmRHYYF/bMVCVEUtiTi9+2H6hRgl1zhqRIc6g0DtaHwqTdk RthJiu9vaepXJAO4yC13l/aolzSnP/eVVnL262dQaEcKYI8qtHnwnZAUtiog2+lwwl l9AJUKtvkdH8nNevth5DCdflbM5a1YhnnrGThdrA= DMARC-Filter: OpenDMARC Filter v1.3.1 smtp.codeaurora.org 8F6A261563 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=pass smtp.mailfrom=riteshh@codeaurora.org From: Ritesh Harjani To: ulf.hansson@linaro.org, linux-mmc@vger.kernel.org, adrian.hunter@intel.com, sboyd@codeaurora.org, andy.gross@linaro.org Cc: shawn.lin@rock-chips.com, devicetree@vger.kernel.org, linux-clk@vger.kernel.org, david.brown@linaro.org, linux-arm-msm@vger.kernel.org, georgi.djakov@linaro.org, alex.lemberg@sandisk.com, mateusz.nowak@intel.com, Yuliy.Izrailov@sandisk.com, asutoshd@codeaurora.org, david.griego@linaro.org, stummala@codeaurora.org, venkatg@codeaurora.org, rnayak@codeaurora.org, pramod.gurav@linaro.org, jeremymc@redhat.com, Ritesh Harjani Subject: [PATCH v8 09/16] mmc: sdhci: Factor out sdhci_enable_clock Date: Wed, 16 Nov 2016 21:30:45 +0530 Message-Id: <1479312052-22396-10-git-send-email-riteshh@codeaurora.org> X-Mailer: git-send-email 1.8.2.1 In-Reply-To: <1479312052-22396-1-git-send-email-riteshh@codeaurora.org> References: <1479312052-22396-1-git-send-email-riteshh@codeaurora.org> 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 Factor out sdhci_enable_clock from sdhci_set_clock and make it EXPORT_SYMBOL so that it can be called. Signed-off-by: Ritesh Harjani --- drivers/mmc/host/sdhci.c | 28 +++++++++++++++++----------- drivers/mmc/host/sdhci.h | 1 + 2 files changed, 18 insertions(+), 11 deletions(-) diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index d08d507..8a89d89 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1344,20 +1344,10 @@ u16 sdhci_calc_clk(struct sdhci_host *host, unsigned int clock, } EXPORT_SYMBOL_GPL(sdhci_calc_clk); -void sdhci_set_clock(struct sdhci_host *host, unsigned int clock) +void sdhci_enable_clock(struct sdhci_host *host, unsigned short clk) { - u16 clk; unsigned long timeout; - host->mmc->actual_clock = 0; - - sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL); - - if (clock == 0) - return; - - clk = sdhci_calc_clk(host, clock, &host->mmc->actual_clock); - clk |= SDHCI_CLOCK_INT_EN; sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL); @@ -1378,6 +1368,22 @@ void sdhci_set_clock(struct sdhci_host *host, unsigned int clock) clk |= SDHCI_CLOCK_CARD_EN; sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL); } +EXPORT_SYMBOL_GPL(sdhci_enable_clock); + +void sdhci_set_clock(struct sdhci_host *host, unsigned int clock) +{ + u16 clk; + + host->mmc->actual_clock = 0; + + sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL); + + if (clock == 0) + return; + + clk = sdhci_calc_clk(host, clock, &host->mmc->actual_clock); + sdhci_enable_clock(host, clk); +} EXPORT_SYMBOL_GPL(sdhci_set_clock); static void sdhci_set_power_reg(struct sdhci_host *host, unsigned char mode, diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index 766df17..8e77a3b 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -681,6 +681,7 @@ static inline bool sdhci_sdio_irq_enabled(struct sdhci_host *host) u16 sdhci_calc_clk(struct sdhci_host *host, unsigned int clock, unsigned int *actual_clock); void sdhci_set_clock(struct sdhci_host *host, unsigned int clock); +void sdhci_enable_clock(struct sdhci_host *host, unsigned short clk); void sdhci_set_power(struct sdhci_host *host, unsigned char mode, unsigned short vdd); void sdhci_set_power_noreg(struct sdhci_host *host, unsigned char mode,