linux-kernel - [RFC PATCH 1/2] dma-buf: Fix pin callback comment

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Message-ID: <20211007104301.76693-2-galpress@amazon.com>
Date:   Thu, 7 Oct 2021 13:42:59 +0300
From:   Gal Pressman <galpress@...zon.com>
To:     Sumit Semwal <sumit.semwal@...aro.org>,
        Christian König <christian.koenig@....com>,
        Doug Ledford <dledford@...hat.com>,
        Jason Gunthorpe <jgg@...pe.ca>
CC:     <linux-media@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
        <linux-kernel@...r.kernel.org>, <linux-rdma@...r.kernel.org>,
        Oded Gabbay <ogabbay@...ana.ai>,
        Tomer Tayar <ttayar@...ana.ai>,
        Yossi Leybovich <sleybo@...zon.com>,
        Alexander Matushevsky <matua@...zon.com>,
        Leon Romanovsky <leonro@...dia.com>,
        Jianxin Xiong <jianxin.xiong@...el.com>,
        Firas Jahjah <firasj@...zon.com>,
        Gal Pressman <galpress@...zon.com>
Subject: [RFC PATCH 1/2] dma-buf: Fix pin callback comment

The pin callback does not necessarily have to move the memory to system
memory, remove the sentence from the comment.

Signed-off-by: Gal Pressman <galpress@...zon.com>
---
 include/linux/dma-buf.h | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h
index efdc56b9d95f..93830731a9a3 100644
--- a/include/linux/dma-buf.h
+++ b/include/linux/dma-buf.h
@@ -86,9 +86,7 @@ struct dma_buf_ops {
 	 * @pin:
 	 *
 	 * This is called by dma_buf_pin() and lets the exporter know that the
-	 * DMA-buf can't be moved any more. The exporter should pin the buffer
-	 * into system memory to make sure it is generally accessible by other
-	 * devices.
+	 * DMA-buf can't be moved any more.
 	 *
 	 * This is called with the &dmabuf.resv object locked and is mutual
 	 * exclusive with @cache_sgt_mapping.
-- 
2.33.0