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-rw-r--r--arch/sparc/include/asm/dma-mapping.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/dma-mapping.h b/arch/sparc/include/asm/dma-mapping.h
new file mode 100644
index 000000000..e17566376
--- /dev/null
+++ b/arch/sparc/include/asm/dma-mapping.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef ___ASM_SPARC_DMA_MAPPING_H
+#define ___ASM_SPARC_DMA_MAPPING_H
+
+#include <linux/scatterlist.h>
+#include <linux/mm.h>
+#include <linux/dma-debug.h>
+
+extern const struct dma_map_ops *dma_ops;
+
+extern struct bus_type pci_bus_type;
+
+static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
+{
+#ifdef CONFIG_SPARC_LEON
+ if (sparc_cpu_model == sparc_leon)
+ return &dma_noncoherent_ops;
+#endif
+#if defined(CONFIG_SPARC32) && defined(CONFIG_PCI)
+ if (bus == &pci_bus_type)
+ return &dma_noncoherent_ops;
+#endif
+ return dma_ops;
+}
+
+#endif