From patchwork Sat Feb 6 05:47:47 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: John Stultz X-Patchwork-Id: 12071961 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2CA38C433DB for ; Sat, 6 Feb 2021 05:48:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CF2CD64FCD for ; Sat, 6 Feb 2021 05:48:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229618AbhBFFsg (ORCPT ); Sat, 6 Feb 2021 00:48:36 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51178 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229565AbhBFFsc (ORCPT ); Sat, 6 Feb 2021 00:48:32 -0500 Received: from mail-pl1-x631.google.com (mail-pl1-x631.google.com [IPv6:2607:f8b0:4864:20::631]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9F6EFC06174A for ; Fri, 5 Feb 2021 21:47:52 -0800 (PST) Received: by mail-pl1-x631.google.com with SMTP id b8so4631841plh.12 for ; Fri, 05 Feb 2021 21:47:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=BAE/HnEoeH/I6AsDCMIiIUVtpfPBxI4oEAjjMlMZGXc=; b=ZfBYm49eLFIQVfzYokXITH5vfeUno9/jvuNet9pJQuW3syR/+XH3/YZk7qYsGlaarI Av8bjd9ybfZ2NrBbkKoH6TkHKgDOozMgh5AfXNz2vBQO/CjBCUCqnALvXpYGfT4saEch /9wCs2JEHatTpiiTbSS0/jeDneToQGX/UbC/riRDR9KDRuze2GzoJovxK+sDxxU3D58G e6dBr1bcw9JY0uhHo7cPlIcQKBZT5TBvifUlt8hsQ+C5nQX5APkE6jPwT6fKeY5Wkcw1 Cy44UKqKF6aOMe5F/BWJyDL454r9LYEwH4Vtz9CEhfiKHMks6kN+2bQt3ndo/gu0Myi9 yXZA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=BAE/HnEoeH/I6AsDCMIiIUVtpfPBxI4oEAjjMlMZGXc=; b=AdSuiUwVCX4AgWClDn8GveHYikXot4D7XYdOpzRoi7rb2yk0eS/ELGJyvSq/aopOgY xz/ZTzr/uzUzCdkovfrGHc/yoaGltrl2af67k2YErK9dSgJRp9p6gUygLX6t0h1TnGtY Nf4v56jrFgpw5q6VaTgm1wuve/sE2FLFLG4wj7vQ9O5YiVEJ7MKaX2+lyckNvfZPnEmK NZ5kRb7/oxGXcoCEXl+UDSTJpo0qM0r2Q0og03P/njDWpN2nMJqQZIc8B8X6ynZLGd/x PmKaNjG6vhKogGxXZMBxhSXOvQx76yk57dwC3ROQKxNpT+xHUSKmZ5kuQk3z2Eu1VOHd K1Aw== X-Gm-Message-State: AOAM530FFmbRPFqOe9p42sanx4s6rTJWWNRJE4Ai2YZ0JXqrGvDahGhr aydlYAtGMcYuuyO/4bxJ9h7tRg== X-Google-Smtp-Source: ABdhPJy2np2futESbWx4VSlBPWGsf9xnPAKiXfTrc46U4XfKehlJZOZJ93yJOyYV7fxA8/jLvmM9vw== X-Received: by 2002:a17:90b:4d09:: with SMTP id mw9mr7553358pjb.199.1612590472244; Fri, 05 Feb 2021 21:47:52 -0800 (PST) Received: from localhost.localdomain ([2601:1c2:680:1319:692:26ff:feda:3a81]) by smtp.gmail.com with ESMTPSA id ob6sm9200211pjb.30.2021.02.05.21.47.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 05 Feb 2021 21:47:51 -0800 (PST) From: John Stultz To: lkml Cc: John Stultz , Daniel Vetter , Sumit Semwal , Liam Mark , Chris Goldsworthy , Laura Abbott , Brian Starkey , Hridya Valsaraju , Suren Baghdasaryan , Sandeep Patil , Daniel Mentz , =?utf-8?q?=C3=98rjan_Eide?= , Robin Murphy , Ezequiel Garcia , Simon Ser , James Jones , linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: [RFC][PATCH 1/2] dma-buf: dma-heap: Provide accessor to get heap name Date: Sat, 6 Feb 2021 05:47:47 +0000 Message-Id: <20210206054748.378300-1-john.stultz@linaro.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org It can be useful to access the name for the heap, so provide an accessor to do so. Cc: Daniel Vetter Cc: Sumit Semwal Cc: Liam Mark Cc: Chris Goldsworthy Cc: Laura Abbott Cc: Brian Starkey Cc: Hridya Valsaraju Cc: Suren Baghdasaryan Cc: Sandeep Patil Cc: Daniel Mentz Cc: Ørjan Eide Cc: Robin Murphy Cc: Ezequiel Garcia Cc: Simon Ser Cc: James Jones Cc: linux-media@vger.kernel.org Cc: dri-devel@lists.freedesktop.org Signed-off-by: John Stultz --- drivers/dma-buf/dma-heap.c | 13 +++++++++++++ include/linux/dma-heap.h | 9 +++++++++ 2 files changed, 22 insertions(+) diff --git a/drivers/dma-buf/dma-heap.c b/drivers/dma-buf/dma-heap.c index afd22c9dbdcf..6c746ea67676 100644 --- a/drivers/dma-buf/dma-heap.c +++ b/drivers/dma-buf/dma-heap.c @@ -190,6 +190,19 @@ void *dma_heap_get_drvdata(struct dma_heap *heap) return heap->priv; } + +/** + * dma_heap_get_name() - get heap name + * @heap: DMA-Heap to retrieve private data for + * + * Returns: + * The char* for the heap name. + */ +char *dma_heap_get_name(struct dma_heap *heap) +{ + return heap->name; +} + struct dma_heap *dma_heap_add(const struct dma_heap_export_info *exp_info) { struct dma_heap *heap, *h, *err_ret; diff --git a/include/linux/dma-heap.h b/include/linux/dma-heap.h index 454e354d1ffb..b91778291fb1 100644 --- a/include/linux/dma-heap.h +++ b/include/linux/dma-heap.h @@ -50,6 +50,15 @@ struct dma_heap_export_info { */ void *dma_heap_get_drvdata(struct dma_heap *heap); +/** + * dma_heap_get_name() - get heap name + * @heap: DMA-Heap to retrieve private data for + * + * Returns: + * The char* for the heap name. + */ +char *dma_heap_get_name(struct dma_heap *heap); + /** * dma_heap_add - adds a heap to dmabuf heaps * @exp_info: information needed to register this heap