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: 377643 Delivered-To: patches@linaro.org Received: by 2002:a02:b18a:0:0:0:0:0 with SMTP id t10csp2897685jah; Fri, 5 Feb 2021 21:47:53 -0800 (PST) X-Received: by 2002:a17:902:8349:b029:df:d13d:bf83 with SMTP id z9-20020a1709028349b02900dfd13dbf83mr7443054pln.69.1612590473055; Fri, 05 Feb 2021 21:47:53 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1612590473; cv=none; d=google.com; s=arc-20160816; b=PG1UZJHH3D9l+IKBv3gtkkSppMGj7xc97tjziltgKMdX5JlP25FaQvZgiM+jMPeszK iUSj7GV9KuG6u5Xa2YD6g0SbZJAHZ3JwSYaZA3KTx7ZjiQOP+4sInBoJOBSZT8zBiG/Z 8yP+D4DWulVGIVdKKnypru3SIAimZtvpyPeqAm29TB3oiiCgnBAYHpxXPGt/gmvwIh8D 8JWySHzp7PH5Nqu/Qi+UsrX0hWIvfQKMDdVeWFluw/BarWU7zfO+eWRsghkCcQ6OOVbT ED1FBK9XYsoTLL5R1AMzfiaMOXon7O3ckqpoq5yrrduoe8fnbNnIm5TconFv1yoU8ITd PVUw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:dkim-signature; bh=BAE/HnEoeH/I6AsDCMIiIUVtpfPBxI4oEAjjMlMZGXc=; b=V7zSwCmu3ZzslX3H4ZX18fn773zwj9EtmTlZCbVnyvAw7kXGpRdNoYhYm+enFMGhb+ hgh5E8y1NuD5hjDRBlF8oH6uhWdI/+mAa3bzWaXful05ZPedDqVfTXHDsMg9JChabzg4 LLT8U1EJbli3rK5MOxtI9H5+wVHOBHJ1UQXRa1E8L11U+IDcGKXcce1/QAHBmft//wrv fsHQ3DturbAr6QB4zZljPQoLgs+9LyBwFFf52cwmaAwnNgAC7Wr1d28mZ17WhRi0WCy2 eXR+DyKWj3l9QXPH3o1pkPSPyZwdpc5H+4hDTJBjC+s34vpJQdSR30oSu/ALJgFJBL3q dXVA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=ZfBYm49e; spf=pass (google.com: domain of john.stultz@linaro.org designates 209.85.220.41 as permitted sender) smtp.mailfrom=john.stultz@linaro.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from mail-sor-f41.google.com (mail-sor-f41.google.com. [209.85.220.41]) by mx.google.com with SMTPS id 41sor6076289pjo.23.2021.02.05.21.47.52 for (Google Transport Security); Fri, 05 Feb 2021 21:47:52 -0800 (PST) Received-SPF: pass (google.com: domain of john.stultz@linaro.org designates 209.85.220.41 as permitted sender) client-ip=209.85.220.41; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=ZfBYm49e; spf=pass (google.com: domain of john.stultz@linaro.org designates 209.85.220.41 as permitted sender) smtp.mailfrom=john.stultz@linaro.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org 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=pCCsbaA/X+69GU+F9rCNXn/lgVWwQbEDa9odFnWg2IjH4h2zgr7HBCFNqhm52OxvHw Zu8qYiDR9JQPLEOWdPNLuD6uhtC1MtKyih1XteGK2lLSDe9IPFzIqpncTtzyxBdb9hoX B5JNPlatxYoOGQ576jETr98jpI7GJp+xmynadbyp/ZIhVQztDwIaJEEPLiVaYd6c+YQ2 cAwgvAYhK/yOU+1pbfoNIYftMINKbM/nqraz/3RXKVqtUF2NpiH15I9B6Lp8PYdX5S8n 4nNWN1NiPggfo8dYQMhr9xa1JrB4C3NKyrFx1DnlkSEaCBOHYYMBl9YKSVpzXKkND0at C7ZA== X-Gm-Message-State: AOAM5329U5+xUoY4/se0tvA9keDJFVROR3bucwNIjjnJ6hccgFyR/QmS +85AIcGUF/jwkFVIfD9AYAcBUuah 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) Return-Path: 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 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(+) -- 2.25.1 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