From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Mon, 6 May 2024 03:02:30 +0200
Subject: Adding upstream version 4.19.249.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 arch/sparc/include/asm/dma-mapping.h | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 arch/sparc/include/asm/dma-mapping.h

(limited to 'arch/sparc/include/asm/dma-mapping.h')

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
-- 
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