add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/drivers/rknpu/rknpu_mem.c
..
..
@@ -15,6 +15,8 @@
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 #include "rknpu_ioctl.h"
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 #include "rknpu_mem.h"
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17
 
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+#ifdef CONFIG_ROCKCHIP_RKNPU_DMA_HEAP
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+
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 int rknpu_mem_create_ioctl(struct rknpu_device *rknpu_dev, unsigned long data,
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 			   struct file *file)
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 {
..
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@@ -107,22 +109,27 @@
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 			  __LINE__, &phys, length);
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 	}
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-	page_count = length >> PAGE_SHIFT;
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-	pages = kmalloc_array(page_count, sizeof(struct page), GFP_KERNEL);
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-	if (!pages) {
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-		LOG_ERROR("alloc pages failed\n");
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-		ret = -ENOMEM;
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-		goto err_detach_dma_buf;
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-	}
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+	if (args.flags & RKNPU_MEM_KERNEL_MAPPING) {
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+		page_count = length >> PAGE_SHIFT;
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+		pages = vmalloc(page_count * sizeof(struct page));
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+		if (!pages) {
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+			LOG_ERROR("alloc pages failed\n");
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+			ret = -ENOMEM;
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+			goto err_detach_dma_buf;
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+		}
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120
 
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-	for (i = 0; i < page_count; i++)
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-		pages[i] = &page[i];
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+		for (i = 0; i < page_count; i++)
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+			pages[i] = &page[i];
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123
 
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-	rknpu_obj->kv_addr = vmap(pages, page_count, VM_MAP, PAGE_KERNEL);
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-	if (!rknpu_obj->kv_addr) {
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-		LOG_ERROR("vmap pages addr failed\n");
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-		ret = -ENOMEM;
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-		goto err_free_pages;
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+		rknpu_obj->kv_addr =
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+			vmap(pages, page_count, VM_MAP, PAGE_KERNEL);
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+		if (!rknpu_obj->kv_addr) {
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+			LOG_ERROR("vmap pages addr failed\n");
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+			ret = -ENOMEM;
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+			goto err_free_pages;
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+		}
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+		vfree(pages);
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+		pages = NULL;
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 	}
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134
 
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 	rknpu_obj->size = PAGE_ALIGN(args.size);
..
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@@ -146,7 +153,6 @@
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 		goto err_unmap_kv_addr;
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 	}
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155
 
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-	kfree(pages);
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 	dma_buf_unmap_attachment(attachment, table, DMA_BIDIRECTIONAL);
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 	dma_buf_detach(dmabuf, attachment);
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..
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@@ -169,7 +175,8 @@
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 	rknpu_obj->kv_addr = NULL;
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 err_free_pages:
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-	kfree(pages);
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+	vfree(pages);
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+	pages = NULL;
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 err_detach_dma_buf:
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 	dma_buf_unmap_attachment(attachment, table, DMA_BIDIRECTIONAL);
..
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@@ -292,7 +299,9 @@
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 {
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 	struct rknpu_mem_object *rknpu_obj = NULL;
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 	struct rknpu_mem_sync args;
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+#ifdef CONFIG_DMABUF_PARTIAL
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 	struct dma_buf *dmabuf;
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+#endif
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 	int ret = -EFAULT;
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 	if (unlikely(copy_from_user(&args, (struct rknpu_mem_sync *)data,
..
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@@ -310,7 +319,6 @@
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 	}
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 	rknpu_obj = (struct rknpu_mem_object *)(uintptr_t)args.obj_addr;
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-	dmabuf = rknpu_obj->dmabuf;
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322
 
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 #ifndef CONFIG_DMABUF_PARTIAL
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 	if (args.flags & RKNPU_MEM_SYNC_TO_DEVICE) {
..
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@@ -322,6 +330,7 @@
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 				   DMA_FROM_DEVICE, true);
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 	}
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 #else
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+	dmabuf = rknpu_obj->dmabuf;
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 	if (args.flags & RKNPU_MEM_SYNC_TO_DEVICE) {
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 		dmabuf->ops->end_cpu_access_partial(dmabuf, DMA_TO_DEVICE,
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 						    args.offset, args.size);
..
..
@@ -334,3 +343,5 @@
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343
 
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 	return 0;
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 }
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+
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+#endif