diff options
Diffstat (limited to 'drivers/media/video/s5p-mfc/s5p_mfc_shm.c')
| -rw-r--r-- | drivers/media/video/s5p-mfc/s5p_mfc_shm.c | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/drivers/media/video/s5p-mfc/s5p_mfc_shm.c b/drivers/media/video/s5p-mfc/s5p_mfc_shm.c deleted file mode 100644 index 91fdbac8..0000000 --- a/drivers/media/video/s5p-mfc/s5p_mfc_shm.c +++ /dev/null @@ -1,47 +0,0 @@ -/* - * linux/drivers/media/video/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; -} - |
