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path: root/drivers/media/platform/s5p-mfc/s5p_mfc_shm.c
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Diffstat (limited to 'drivers/media/platform/s5p-mfc/s5p_mfc_shm.c')
-rw-r--r--drivers/media/platform/s5p-mfc/s5p_mfc_shm.c47
1 files changed, 0 insertions, 47 deletions
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_shm.c b/drivers/media/platform/s5p-mfc/s5p_mfc_shm.c
deleted file mode 100644
index b5933d233a4b..000000000000
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_shm.c
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * linux/drivers/media/platform/s5p-mfc/s5p_mfc_shm.c
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- * http://www.samsung.com/
- *
- * 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.
- */
-
-#ifdef CONFIG_ARCH_EXYNOS4
-#include <linux/dma-mapping.h>
-#endif
-#include <linux/io.h>
-#include "s5p_mfc_common.h"
-#include "s5p_mfc_debug.h"
-
-int s5p_mfc_init_shm(struct s5p_mfc_ctx *ctx)
-{
- struct s5p_mfc_dev *dev = ctx->dev;
- void *shm_alloc_ctx = dev->alloc_ctx[MFC_BANK1_ALLOC_CTX];
-
- ctx->shm_alloc = vb2_dma_contig_memops.alloc(shm_alloc_ctx,
- SHARED_BUF_SIZE);
- if (IS_ERR(ctx->shm_alloc)) {
- mfc_err("failed to allocate shared memory\n");
- return PTR_ERR(ctx->shm_alloc);
- }
- /* shm_ofs only keeps the offset from base (port a) */
- ctx->shm_ofs = s5p_mfc_mem_cookie(shm_alloc_ctx, ctx->shm_alloc)
- - dev->bank1;
- BUG_ON(ctx->shm_ofs & ((1 << MFC_BANK1_ALIGN_ORDER) - 1));
- ctx->shm = vb2_dma_contig_memops.vaddr(ctx->shm_alloc);
- if (!ctx->shm) {
- vb2_dma_contig_memops.put(ctx->shm_alloc);
- ctx->shm_ofs = 0;
- ctx->shm_alloc = NULL;
- mfc_err("failed to virt addr of shared memory\n");
- return -ENOMEM;
- }
- memset((void *)ctx->shm, 0, SHARED_BUF_SIZE);
- wmb();
- return 0;
-}
-