From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753947AbcGDX5c (ORCPT ); Mon, 4 Jul 2016 19:57:32 -0400 Received: from mail-yw0-f193.google.com ([209.85.161.193]:36169 "EHLO mail-yw0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753670AbcGDX5T (ORCPT ); Mon, 4 Jul 2016 19:57:19 -0400 From: Gustavo Padovan To: dri-devel@lists.freedesktop.org Cc: linux-kernel@vger.kernel.org, Daniel Stone , Daniel Vetter , Rob Clark , Greg Hackmann , John Harrison , laurent.pinchart@ideasonboard.com, seanpaul@google.com, marcheu@google.com, m.chehab@samsung.com, Sumit Semwal , Maarten Lankhorst , Gustavo Padovan , Chris Wilson , =?UTF-8?q?Christian=20K=C3=B6nig?= Subject: [PATCH v3 1/4] dma-buf/fence-array: add fence_is_array() Date: Mon, 4 Jul 2016 20:57:05 -0300 Message-Id: <1467676628-4121-2-git-send-email-gustavo@padovan.org> X-Mailer: git-send-email 2.5.5 In-Reply-To: <1467676628-4121-1-git-send-email-gustavo@padovan.org> References: <1467676628-4121-1-git-send-email-gustavo@padovan.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Gustavo Padovan Add helper to check if fence is array. v2: Comments from Chris Wilson - remove ternary if from ops comparison - add EXPORT_SYMBOL(fence_array_ops) Cc: Chris Wilson Cc: Christian König Signed-off-by: Gustavo Padovan Reviewed-by: Chris Wilson --- drivers/dma-buf/fence-array.c | 1 + include/linux/fence-array.h | 10 ++++++++++ 2 files changed, 11 insertions(+) diff --git a/drivers/dma-buf/fence-array.c b/drivers/dma-buf/fence-array.c index a8731c8..ee50022 100644 --- a/drivers/dma-buf/fence-array.c +++ b/drivers/dma-buf/fence-array.c @@ -99,6 +99,7 @@ const struct fence_ops fence_array_ops = { .wait = fence_default_wait, .release = fence_array_release, }; +EXPORT_SYMBOL(fence_array_ops); /** * fence_array_create - Create a custom fence array diff --git a/include/linux/fence-array.h b/include/linux/fence-array.h index 86baaa4..a44794e 100644 --- a/include/linux/fence-array.h +++ b/include/linux/fence-array.h @@ -52,6 +52,16 @@ struct fence_array { extern const struct fence_ops fence_array_ops; /** + * fence_is_array - check if a fence is from the array subsclass + * + * Return true if it is a fence_array and false otherwise. + */ +static inline bool fence_is_array(struct fence *fence) +{ + return fence->ops == &fence_array_ops; +} + +/** * to_fence_array - cast a fence to a fence_array * @fence: fence to cast to a fence_array * -- 2.5.5