From cde9070d9970eef1f7ec2360586c802a16230ad8 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:43:50 +0000
Subject: [PATCH] rtl88x2CE_WiFi_linux driver
---
kernel/drivers/media/v4l2-core/videobuf-vmalloc.c | 31 ++++---------------------------
1 files changed, 4 insertions(+), 27 deletions(-)
diff --git a/kernel/drivers/media/v4l2-core/videobuf-vmalloc.c b/kernel/drivers/media/v4l2-core/videobuf-vmalloc.c
index 45fe781..9b24437 100644
--- a/kernel/drivers/media/v4l2-core/videobuf-vmalloc.c
+++ b/kernel/drivers/media/v4l2-core/videobuf-vmalloc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* helper functions for vmalloc video4linux capture buffers
*
@@ -6,11 +7,7 @@
* into PAGE_SIZE chunks). They also assume the driver does not need
* to touch the video data.
*
- * (c) 2007 Mauro Carvalho Chehab, <mchehab@kernel.org>
- *
- * 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
+ * (c) 2007 Mauro Carvalho Chehab <mchehab@kernel.org>
*/
#include <linux/init.h>
@@ -18,12 +15,12 @@
#include <linux/moduleparam.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
+#include <linux/pgtable.h>
#include <linux/pci.h>
#include <linux/vmalloc.h>
#include <linux/pagemap.h>
#include <asm/page.h>
-#include <asm/pgtable.h>
#include <media/videobuf-vmalloc.h>
@@ -171,7 +168,7 @@
/* All handling should be done by __videobuf_mmap_mapper() */
if (!mem->vaddr) {
- printk(KERN_ERR "memory is not alloced/mmapped.\n");
+ printk(KERN_ERR "memory is not allocated/mmapped.\n");
return -EINVAL;
}
break;
@@ -196,26 +193,6 @@
}
dprintk(1, "vmalloc is at addr %p (%d pages)\n",
mem->vaddr, pages);
-
-#if 0
- int rc;
- /* Kernel userptr is used also by read() method. In this case,
- there's no need to remap, since data will be copied to user
- */
- if (!vb->baddr)
- return 0;
-
- /* FIXME: to properly support USERPTR, remap should occur.
- The code below won't work, since mem->vma = NULL
- */
- /* Try to remap memory */
- rc = remap_vmalloc_range(mem->vma, (void *)vb->baddr, 0);
- if (rc < 0) {
- printk(KERN_ERR "mmap: remap failed with error %d", rc);
- return -ENOMEM;
- }
-#endif
-
break;
case V4L2_MEMORY_OVERLAY:
default:
--
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