From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752878AbaKLOcn (ORCPT ); Wed, 12 Nov 2014 09:32:43 -0500 Received: from mailout1.w1.samsung.com ([210.118.77.11]:63658 "EHLO mailout1.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752541AbaKLOch (ORCPT ); Wed, 12 Nov 2014 09:32:37 -0500 X-AuditID: cbfec7f4-b7f6c6d00000120b-a0-54636f8234b0 From: Krzysztof Kozlowski To: "Rafael J. Wysocki" , Len Brown , Pavel Machek , Russell King , Dan Williams , Vinod Koul , Ulf Hansson , Alan Stern , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org Cc: Kevin Hilman , Laurent Pinchart , Kyungmin Park , Marek Szyprowski , Bartlomiej Zolnierkiewicz , Krzysztof Kozlowski Subject: [PATCH v11 2/6] amba: Add helpers for (un)preparing AMBA clock Date: Wed, 12 Nov 2014 15:32:24 +0100 Message-id: <1415802748-30530-3-git-send-email-k.kozlowski@samsung.com> X-Mailer: git-send-email 1.9.1 In-reply-to: <1415802748-30530-1-git-send-email-k.kozlowski@samsung.com> References: <1415802748-30530-1-git-send-email-k.kozlowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrHLMWRmVeSWpSXmKPExsVy+t/xq7pN+ckhBkfemFlsnLGe1WL61AuM Fqun/mW1eP3C0OLp5sdMFmeb3rBbdE5cwm4xa8peJovLu+awWXzuPcJocfsyr8XaI3fZLe6e Ospmceb0JVaLCb8vsFkcXxtu8bJvP4uDoEdLcw+bx+yOmawei/e8ZPLYtKqTzePOtT1sHluu trN4zL77g9Gjb8sqRo8Vq7+ze3zeJBfAFcVlk5Kak1mWWqRvl8CVMefyNtaCqRwVWz+dZW9g /M7WxcjBISFgItG1J62LkRPIFJO4cG89UJiLQ0hgKaPE9pY9zBBOH5PEmtMbWUCq2ASMJTYv XwJWJSLQzizRt24qG0iCWWARk0TTVEUQW1jAXeL93ylMIDaLgKrE/2XzwJp5geITv5xghFgn J3Hy2GRWEJtTwEPiy7a/YHOEgGrOXD7IMoGRdwEjwypG0dTS5ILipPRcQ73ixNzi0rx0veT8 3E2MkDD/soNx8TGrQ4wCHIxKPLwVPMkhQqyJZcWVuYcYJTiYlUR4d+UAhXhTEiurUovy44tK c1KLDzEycXBKNTC6PDQViw6wP3swuVS685KFkLJCmsGlmWHOch0TLBc3bmE2NVljI2T5SHSa 8I+mN31Oz6ep2Lx8pXOmtvzWzXLlT7P5EzqzexhYf02NnLrziPGjpzopZwQ3ThEpMJaZsEjk bs/fEOXlZg/y2yKv16woUdcyeqrUen6jh+IVGdMU51eh3OHSgUosxRmJhlrMRcWJAOuXDzdR AgAA 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 d024bd9c9d9b..2afc618b15ce 100644 --- a/include/linux/amba/bus.h +++ b/include/linux/amba/bus.h @@ -98,6 +98,16 @@ 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