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From: Benjamin Gaignard <benjamin.gaignard@collabora.com>
To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com,
	ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar,
	p.zabel@pengutronix.de, gregkh@linuxfoundation.org,
	hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com
Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org,
	linux-arm-msm@vger.kernel.org,
	linux-rockchip@lists.infradead.org,
	linux-staging@lists.linux.dev, kernel@collabora.com,
	Benjamin Gaignard <benjamin.gaignard@collabora.com>,
	Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Subject: [PATCH v15 01/56] media: videobuf2: Rename offset parameter
Date: Thu,  9 Nov 2023 17:29:13 +0100	[thread overview]
Message-ID: <20231109163008.179152-2-benjamin.gaignard@collabora.com> (raw)
In-Reply-To: <20231109163008.179152-1-benjamin.gaignard@collabora.com>

Rename 'off' parameter to 'offset' to clarify the code.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Reviewed-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
---
 .../media/common/videobuf2/videobuf2-core.c   | 28 +++++++++----------
 1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/drivers/media/common/videobuf2/videobuf2-core.c b/drivers/media/common/videobuf2/videobuf2-core.c
index 27aee92f3eea..e5fd7ff0dae6 100644
--- a/drivers/media/common/videobuf2/videobuf2-core.c
+++ b/drivers/media/common/videobuf2/videobuf2-core.c
@@ -356,23 +356,23 @@ static void __setup_offsets(struct vb2_buffer *vb)
 {
 	struct vb2_queue *q = vb->vb2_queue;
 	unsigned int plane;
-	unsigned long off = 0;
+	unsigned long offset = 0;
 
 	if (vb->index) {
 		struct vb2_buffer *prev = q->bufs[vb->index - 1];
 		struct vb2_plane *p = &prev->planes[prev->num_planes - 1];
 
-		off = PAGE_ALIGN(p->m.offset + p->length);
+		offset = PAGE_ALIGN(p->m.offset + p->length);
 	}
 
 	for (plane = 0; plane < vb->num_planes; ++plane) {
-		vb->planes[plane].m.offset = off;
+		vb->planes[plane].m.offset = offset;
 
 		dprintk(q, 3, "buffer %d, plane %d offset 0x%08lx\n",
-				vb->index, plane, off);
+				vb->index, plane, offset);
 
-		off += vb->planes[plane].length;
-		off = PAGE_ALIGN(off);
+		offset += vb->planes[plane].length;
+		offset = PAGE_ALIGN(offset);
 	}
 }
 
@@ -2185,10 +2185,10 @@ int vb2_core_streamoff(struct vb2_queue *q, unsigned int type)
 EXPORT_SYMBOL_GPL(vb2_core_streamoff);
 
 /*
- * __find_plane_by_offset() - find plane associated with the given offset off
+ * __find_plane_by_offset() - find plane associated with the given offset
  */
-static int __find_plane_by_offset(struct vb2_queue *q, unsigned long off,
-			unsigned int *_buffer, unsigned int *_plane)
+static int __find_plane_by_offset(struct vb2_queue *q, unsigned long offset,
+				  unsigned int *_buffer, unsigned int *_plane)
 {
 	struct vb2_buffer *vb;
 	unsigned int buffer, plane;
@@ -2218,7 +2218,7 @@ static int __find_plane_by_offset(struct vb2_queue *q, unsigned long off,
 		vb = q->bufs[buffer];
 
 		for (plane = 0; plane < vb->num_planes; ++plane) {
-			if (vb->planes[plane].m.offset == off) {
+			if (vb->planes[plane].m.offset == offset) {
 				*_buffer = buffer;
 				*_plane = plane;
 				return 0;
@@ -2304,7 +2304,7 @@ EXPORT_SYMBOL_GPL(vb2_core_expbuf);
 
 int vb2_mmap(struct vb2_queue *q, struct vm_area_struct *vma)
 {
-	unsigned long off = vma->vm_pgoff << PAGE_SHIFT;
+	unsigned long offset = vma->vm_pgoff << PAGE_SHIFT;
 	struct vb2_buffer *vb;
 	unsigned int buffer = 0, plane = 0;
 	int ret;
@@ -2335,7 +2335,7 @@ int vb2_mmap(struct vb2_queue *q, struct vm_area_struct *vma)
 	 * Find the plane corresponding to the offset passed by userspace. This
 	 * will return an error if not MEMORY_MMAP or file I/O is in progress.
 	 */
-	ret = __find_plane_by_offset(q, off, &buffer, &plane);
+	ret = __find_plane_by_offset(q, offset, &buffer, &plane);
 	if (ret)
 		goto unlock;
 
@@ -2380,7 +2380,7 @@ unsigned long vb2_get_unmapped_area(struct vb2_queue *q,
 				    unsigned long pgoff,
 				    unsigned long flags)
 {
-	unsigned long off = pgoff << PAGE_SHIFT;
+	unsigned long offset = pgoff << PAGE_SHIFT;
 	struct vb2_buffer *vb;
 	unsigned int buffer, plane;
 	void *vaddr;
@@ -2392,7 +2392,7 @@ unsigned long vb2_get_unmapped_area(struct vb2_queue *q,
 	 * Find the plane corresponding to the offset passed by userspace. This
 	 * will return an error if not MEMORY_MMAP or file I/O is in progress.
 	 */
-	ret = __find_plane_by_offset(q, off, &buffer, &plane);
+	ret = __find_plane_by_offset(q, offset, &buffer, &plane);
 	if (ret)
 		goto unlock;
 
-- 
2.39.2


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  reply	other threads:[~2023-11-09 16:32 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-09 16:29 [PATCH v15 00/56] Add DELETE_BUF ioctl Benjamin Gaignard
2023-11-09 16:29 ` Benjamin Gaignard [this message]
2023-11-09 16:29 ` [PATCH v15 02/56] media: videobuf2: Rework offset 'cookie' encoding pattern Benjamin Gaignard
2023-11-09 16:29 ` [PATCH v15 03/56] media: videobuf2: Stop spamming kernel log with all queue counter Benjamin Gaignard
2023-11-09 16:29 ` [PATCH v15 04/56] media: videobuf2: Use vb2_buffer instead of index Benjamin Gaignard
2023-11-09 16:29 ` [PATCH v15 05/56] media: videobuf2: Access vb2_queue bufs array through helper functions Benjamin Gaignard
2023-11-09 16:29 ` [PATCH v15 06/56] media: videobuf2: Remove duplicated index vs q->num_buffers check Benjamin Gaignard
2023-11-09 16:29 ` [PATCH v15 07/56] media: videobuf2: Add helper to get queue number of buffers Benjamin Gaignard
2023-11-09 16:29 ` [PATCH v15 08/56] media: videobuf2: Use vb2_get_num_buffers() helper Benjamin Gaignard
2023-11-09 16:29 ` [PATCH v15 09/56] media: amphion: Use vb2_get_buffer() instead of directly access to buffers array Benjamin Gaignard
2023-11-09 16:29 ` [PATCH v15 10/56] media: amphion: Stop direct calls to queue num_buffers field Benjamin Gaignard
2023-11-09 16:29 ` [PATCH v15 11/56] media: mediatek: jpeg: Use vb2_get_buffer() instead of directly access to buffers array Benjamin Gaignard
2023-11-09 16:29 ` [PATCH v15 12/56] media: mediatek: vdec: Remove useless loop Benjamin Gaignard

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