[Feature] add GA346 baseline version
Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/include/asm-generic/dma-mapping.h b/src/kernel/linux/v4.19/include/asm-generic/dma-mapping.h
new file mode 100644
index 0000000..ad28682
--- /dev/null
+++ b/src/kernel/linux/v4.19/include/asm-generic/dma-mapping.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_GENERIC_DMA_MAPPING_H
+#define _ASM_GENERIC_DMA_MAPPING_H
+
+static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
+{
+ /*
+ * Use the non-coherent ops if available. If an architecture wants a
+ * more fine-grained selection of operations it will have to implement
+ * get_arch_dma_ops itself or use the per-device dma_ops.
+ */
+#ifdef CONFIG_DMA_NONCOHERENT_OPS
+ return &dma_noncoherent_ops;
+#else
+ return &dma_direct_ops;
+#endif
+}
+
+#endif /* _ASM_GENERIC_DMA_MAPPING_H */