From 9370bb92b2d16684ee45cf24e879c93c509162da Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 19 Dec 2024 01:47:39 +0000
Subject: [PATCH] add wifi6 8852be driver
---
kernel/drivers/media/pci/ivtv/ivtv-yuv.c | 33 ++++++++-------------------------
1 files changed, 8 insertions(+), 25 deletions(-)
diff --git a/kernel/drivers/media/pci/ivtv/ivtv-yuv.c b/kernel/drivers/media/pci/ivtv/ivtv-yuv.c
index 1380474..5f7dc97 100644
--- a/kernel/drivers/media/pci/ivtv/ivtv-yuv.c
+++ b/kernel/drivers/media/pci/ivtv/ivtv-yuv.c
@@ -1,21 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
yuv support
Copyright (C) 2007 Ian Armstrong <ian@iarmst.demon.co.uk>
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "ivtv-driver.h"
@@ -42,7 +30,6 @@
struct yuv_playback_info *yi = &itv->yuv_info;
u8 frame = yi->draw_frame;
struct yuv_frame_info *f = &yi->new_frame_info[frame];
- int i;
int y_pages, uv_pages;
unsigned long y_buffer_offset, uv_buffer_offset;
int y_decode_height, uv_decode_height, y_size;
@@ -74,12 +61,12 @@
ivtv_udma_get_page_info (&y_dma, (unsigned long)args->y_source, 720 * y_decode_height);
ivtv_udma_get_page_info (&uv_dma, (unsigned long)args->uv_source, 360 * uv_decode_height);
- /* Get user pages for DMA Xfer */
- y_pages = get_user_pages_unlocked(y_dma.uaddr,
+ /* Pin user pages for DMA Xfer */
+ y_pages = pin_user_pages_unlocked(y_dma.uaddr,
y_dma.page_count, &dma->map[0], FOLL_FORCE);
uv_pages = 0; /* silence gcc. value is set and consumed only if: */
if (y_pages == y_dma.page_count) {
- uv_pages = get_user_pages_unlocked(uv_dma.uaddr,
+ uv_pages = pin_user_pages_unlocked(uv_dma.uaddr,
uv_dma.page_count, &dma->map[y_pages],
FOLL_FORCE);
}
@@ -93,8 +80,7 @@
uv_pages, uv_dma.page_count);
if (uv_pages >= 0) {
- for (i = 0; i < uv_pages; i++)
- put_page(dma->map[y_pages + i]);
+ unpin_user_pages(&dma->map[y_pages], uv_pages);
rc = -EFAULT;
} else {
rc = uv_pages;
@@ -105,12 +91,11 @@
y_pages, y_dma.page_count);
}
if (y_pages >= 0) {
- for (i = 0; i < y_pages; i++)
- put_page(dma->map[i]);
+ unpin_user_pages(dma->map, y_pages);
/*
* Inherit the -EFAULT from rc's
* initialization, but allow it to be
- * overriden by uv_pages above if it was an
+ * overridden by uv_pages above if it was an
* actual errno.
*/
} else {
@@ -124,9 +109,7 @@
/* Fill & map SG List */
if (ivtv_udma_fill_sg_list (dma, &uv_dma, ivtv_udma_fill_sg_list (dma, &y_dma, 0)) < 0) {
IVTV_DEBUG_WARN("could not allocate bounce buffers for highmem userspace buffers\n");
- for (i = 0; i < dma->page_count; i++) {
- put_page(dma->map[i]);
- }
+ unpin_user_pages(dma->map, dma->page_count);
dma->page_count = 0;
return -ENOMEM;
}
--
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