From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753659AbaKDMxP (ORCPT ); Tue, 4 Nov 2014 07:53:15 -0500 Received: from mailout1.w1.samsung.com ([210.118.77.11]:49767 "EHLO mailout1.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751160AbaKDMxH (ORCPT ); Tue, 4 Nov 2014 07:53:07 -0500 X-AuditID: cbfec7f4-b7f6c6d00000120b-8e-5458cc2f2c29 From: Krzysztof Kozlowski To: "Rafael J. Wysocki" , Len Brown , Pavel Machek , Jonathan Corbet , Russell King , Dan Williams , Vinod Koul , Ulf Hansson , Alan Stern , Krzysztof Kozlowski , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, Lars-Peter Clausen , Michal Simek Cc: Kevin Hilman , Laurent Pinchart , Kyungmin Park , Marek Szyprowski , Bartlomiej Zolnierkiewicz Subject: [PATCH v9 1/4] amba: Add helpers for (un)preparing AMBA clock Date: Tue, 04 Nov 2014 13:52:47 +0100 Message-id: <1415105570-7871-2-git-send-email-k.kozlowski@samsung.com> X-Mailer: git-send-email 1.9.1 In-reply-to: <1415105570-7871-1-git-send-email-k.kozlowski@samsung.com> References: <1415105570-7871-1-git-send-email-k.kozlowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrFLMWRmVeSWpSXmKPExsVy+t/xq7r6ZyJCDFb81rPYOGM9q8WTA+2M FtOnXmC0WD31L6vF6xeGFk83P2ayONv0ht1iyeT5rBadE5ewW8yaspfJ4vKuOWwWn3uPMFrc vsxrsfbIXXaLdy8jLO6eOspmceb0JVaLCb8vsFkcXxtu8bJvP4uDiEdLcw+bx+yOmawei/e8 ZPLYtKqTzePOtT1sHov7JrN6LHlziNVjy9V2Fo/Zd38wevRtWcXosWL1d3aPz5vkPPZ+/s0S wBvFZZOSmpNZllqkb5fAlXHn72XWgqkcFRO+6TUwfmfrYuTgkBAwkfg+RamLkRPIFJO4cG89 UJiLQ0hgKaPExylnGUESQgJ9TBIb26VAbDYBY4nNy5eAFYkIrGKReLXnOpjDLPCRUeLm6o3M IFXCAm4Sn6/NZgWxWQRUJeb/msEOYvMCxRtffGSCWCcncfLYZLAaTgF3ia0b97FBbHOTePPo DdsERt4FjAyrGEVTS5MLipPScw31ihNzi0vz0vWS83M3MULi48sOxsXHrA4xCnAwKvHwZqhH hAixJpYVV+YeYpTgYFYS4TXeDRTiTUmsrEotyo8vKs1JLT7EyMTBKdXAaMKfwM3/04Nn50We GUvnff1z1H5ZSNubIEkPPYObZkfaOLsdZK7M1vpdUuXHxZDAyjdh20/GSa4GK+tfGU2YHntR mH2GdeqvU9XL8ksv/Jh109EgW7jb6MVu5Z1xBbc4LjzUeKk+u0HXfp8OW/yWtQEb+GaFrZVw 38Q7yWFHT8fSa+UibGsqlViKMxINtZiLihMBzSBEim0CAAA= Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add amba_pclk_prepare() and amba_pclk_unprepare() inline functions for handling the AMBA bus clock by device drivers. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Ulf Hansson --- include/linux/amba/bus.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h index c324f5700d1a..ac02f9bd63dc 100644 --- a/include/linux/amba/bus.h +++ b/include/linux/amba/bus.h @@ -97,6 +97,16 @@ void amba_release_regions(struct amba_device *); #define amba_pclk_disable(d) \ do { if (!IS_ERR((d)->pclk)) clk_disable((d)->pclk); } while (0) +static inline int amba_pclk_prepare(struct amba_device *dev) +{ + return clk_prepare(dev->pclk); +} + +static inline void amba_pclk_unprepare(struct amba_device *dev) +{ + clk_unprepare(dev->pclk); +} + /* Some drivers don't use the struct amba_device */ #define AMBA_CONFIG_BITS(a) (((a) >> 24) & 0xff) #define AMBA_REV_BITS(a) (((a) >> 20) & 0x0f) -- 1.9.1