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Commit b7c54fbb authored by Tharun Kumar Merugu's avatar Tharun Kumar Merugu
Browse files

msm: adsprpc: allocate remote heap memory with no kernel map 



Allocate memory for remote heap use case with NO_KERNEL_MAPPING
attribute set.

Change-Id: Ia2ef7862d6afa5b119240d40151fc812e4363643
Acked-by: default avatarHimateja Reddy <hmreddy@qti.qualcomm.com>
Signed-off-by: default avatarTharun Kumar Merugu <mtharu@codeaurora.org>
parent 23cc55e8

drivers/char/adsprpc.c

+4 −3
Original line number Diff line number Diff line
@@ -707,8 +707,8 @@ static void fastrpc_mmap_free(struct fastrpc_mmap *map, uint32_t flags) 
			return;

		}

		if (map->phys) {

			dma_free_coherent(me->dev, map->size,

				(void *)map->va, (dma_addr_t)map->phys);

			dma_free_attrs(me->dev, map->size, (void *)map->va,

			(dma_addr_t)map->phys, (unsigned long)map->attr);

		}

	} else if (map->flags == FASTRPC_DMAHANDLE_NOMAP) {

		if (!IS_ERR_OR_NULL(map->table))
@@ -781,8 +781,9 @@ static int fastrpc_mmap_create(struct fastrpc_file *fl, int fd, 
				mflags == ADSP_MMAP_REMOTE_HEAP_ADDR) {

		map->apps = me;

		map->fl = NULL;

		map->attr |= DMA_ATTR_SKIP_ZEROING | DMA_ATTR_NO_KERNEL_MAPPING;

		VERIFY(err, !dma_alloc_memory(&region_phys, &region_vaddr,

						 len, 0));

					len, (unsigned long) map->attr));

		if (err)

			goto bail;

		map->phys = (uintptr_t)region_phys;