1 files changed, 0 insertions, 61 deletions

diff --git a/lib/dma-virt.c b/lib/dma-virt.c
deleted file mode 100644
index 8e61a02ef9ca..000000000000
--- a/lib/dma-virt.c
+++ /dev/null
@@ -1,61 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- *      lib/dma-virt.c
- *
- * DMA operations that map to virtual addresses without flushing memory.
- */
-#include <linux/export.h>
-#include <linux/mm.h>
-#include <linux/dma-mapping.h>
-#include <linux/scatterlist.h>
-
-static void *dma_virt_alloc(struct device *dev, size_t size,
-                            dma_addr_t *dma_handle, gfp_t gfp,
-                            unsigned long attrs)
-{
-        void *ret;
-
-        ret = (void *)__get_free_pages(gfp, get_order(size));
-        if (ret)
-                *dma_handle = (uintptr_t)ret;
-        return ret;
-}
-
-static void dma_virt_free(struct device *dev, size_t size,
-                          void *cpu_addr, dma_addr_t dma_addr,
-                          unsigned long attrs)
-{
-        free_pages((unsigned long)cpu_addr, get_order(size));
-}
-
-static dma_addr_t dma_virt_map_page(struct device *dev, struct page *page,
-                                    unsigned long offset, size_t size,
-                                    enum dma_data_direction dir,
-                                    unsigned long attrs)
-{
-        return (uintptr_t)(page_address(page) + offset);
-}
-
-static int dma_virt_map_sg(struct device *dev, struct scatterlist *sgl,
-                           int nents, enum dma_data_direction dir,
-                           unsigned long attrs)
-{
-        int i;
-        struct scatterlist *sg;
-
-        for_each_sg(sgl, sg, nents, i) {
-                BUG_ON(!sg_page(sg));
-                sg_dma_address(sg) = (uintptr_t)sg_virt(sg);
-                sg_dma_len(sg) = sg->length;
-        }
-
-        return nents;
-}
-
-const struct dma_map_ops dma_virt_ops = {
-        .alloc                  = dma_virt_alloc,
-        .free                   = dma_virt_free,
-        .map_page               = dma_virt_map_page,
-        .map_sg                 = dma_virt_map_sg,
-};
-EXPORT_SYMBOL(dma_virt_ops);