1 files changed, 28 insertions, 0 deletions
diff --git a/arch/kvx/include/asm/dma.h b/arch/kvx/include/asm/dma.h
new file mode 100644
index 0000000000..f1b54afe25
--- /dev/null
+++ b/arch/kvx/include/asm/dma.h
@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* SPDX-FileCopyrightText: 2021 Yann Sionneau <ysionneau@kalray.eu>, Kalray Inc. */
+
+#ifndef __ASM_DMA_H
+#define __ASM_DMA_H
+
+#include <linux/types.h>
+#include <linux/build_bug.h>
+#include <malloc.h>
+
+#define DMA_ALIGNMENT	64
+
+#define dma_alloc_coherent dma_alloc_coherent
+static inline void *dma_alloc_coherent(size_t size, dma_addr_t *dma_handle)
+{
+	BUILD_BUG_ON_MSG(1, "dma_alloc_coherent not supported: "
+			"MMU support is required to map uncached pages");
+	return NULL;
+}
+
+#define dma_free_coherent dma_free_coherent
+static inline void dma_free_coherent(void *mem, dma_addr_t dma_handle,
+				     size_t size)
+{
+	free(mem);
+}
+
+#endif /* __ASM_DMA_H */