From patchwork Mon May 22 14:19:19 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kieran Bingham X-Patchwork-Id: 9741637 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 5D3A060210 for ; Tue, 23 May 2017 01:00:30 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 52885286EC for ; Tue, 23 May 2017 01:00:30 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4774F28779; Tue, 23 May 2017 01:00:30 +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=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id CA8D2286EC for ; Tue, 23 May 2017 01:00:29 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EF2DC6E2E8; Tue, 23 May 2017 00:59:45 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by gabe.freedesktop.org (Postfix) with ESMTPS id D29B06E0DF for ; Mon, 22 May 2017 14:19:27 +0000 (UTC) Received: from CookieMonster.cookiemonster.local (cpc89242-aztw30-2-0-cust488.18-1.cable.virginm.net [86.31.129.233]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D7AD7239E4; Mon, 22 May 2017 14:19:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D7AD7239E4 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com Authentication-Results: mail.kernel.org; spf=fail smtp.mailfrom=kieran.bingham+renesas@ideasonboard.com From: Kieran Bingham To: dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org Subject: [PATCH v3 2/5] v4l: rcar-fcp: Add an API to retrieve the FCP device Date: Mon, 22 May 2017 15:19:19 +0100 Message-Id: X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: X-Mailman-Approved-At: Tue, 23 May 2017 00:59:38 +0000 Cc: laurent.pinchart@ideasonboard.com, kieran.bingham@ideasonboard.com X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Laurent Pinchart The new rcar_fcp_get_device() function retrieves the struct device related to the FCP device. This is useful to handle DMA mapping through the right device. Signed-off-by: Laurent Pinchart Reviewed-by: Kieran Bingham Signed-off-by: Kieran Bingham --- drivers/media/platform/rcar-fcp.c | 6 ++++++ include/media/rcar-fcp.h | 5 +++++ 2 files changed, 11 insertions(+) diff --git a/drivers/media/platform/rcar-fcp.c b/drivers/media/platform/rcar-fcp.c index e9f609edf513..2988031d285d 100644 --- a/drivers/media/platform/rcar-fcp.c +++ b/drivers/media/platform/rcar-fcp.c @@ -78,6 +78,12 @@ void rcar_fcp_put(struct rcar_fcp_device *fcp) } EXPORT_SYMBOL_GPL(rcar_fcp_put); +struct device *rcar_fcp_get_device(struct rcar_fcp_device *fcp) +{ + return fcp->dev; +} +EXPORT_SYMBOL_GPL(rcar_fcp_get_device); + /** * rcar_fcp_enable - Enable an FCP * @fcp: The FCP instance diff --git a/include/media/rcar-fcp.h b/include/media/rcar-fcp.h index 8723f05c6321..b60a7b176c37 100644 --- a/include/media/rcar-fcp.h +++ b/include/media/rcar-fcp.h @@ -19,6 +19,7 @@ struct rcar_fcp_device; #if IS_ENABLED(CONFIG_VIDEO_RENESAS_FCP) struct rcar_fcp_device *rcar_fcp_get(const struct device_node *np); void rcar_fcp_put(struct rcar_fcp_device *fcp); +struct device *rcar_fcp_get_device(struct rcar_fcp_device *fcp); int rcar_fcp_enable(struct rcar_fcp_device *fcp); void rcar_fcp_disable(struct rcar_fcp_device *fcp); #else @@ -27,6 +28,10 @@ static inline struct rcar_fcp_device *rcar_fcp_get(const struct device_node *np) return ERR_PTR(-ENOENT); } static inline void rcar_fcp_put(struct rcar_fcp_device *fcp) { } +static inline struct device *rcar_fcp_get_device(struct rcar_fcp_device *fcp) +{ + return NULL; +} static inline int rcar_fcp_enable(struct rcar_fcp_device *fcp) { return 0;