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authorTom Rini <trini@konsulko.com>2025-10-06 13:20:24 -0600
committerTom Rini <trini@konsulko.com>2025-10-06 13:20:24 -0600
commit0eaa4b337336dbbe93395d1f2ccc18937eaafea2 (patch)
treec01e661d69181dceca68f56a4849a9bd04608521 /arch/sandbox/include/asm/dma-mapping.h
parente50b1e8715011def8aff1588081a2649a2c6cd47 (diff)
parent4e4a9de31de2a5f395ee25c59e4026422fbcb27e (diff)
Merge branch 'next'
Merge the outstanding changes from the 'next' branch to master.
Diffstat (limited to 'arch/sandbox/include/asm/dma-mapping.h')
-rw-r--r--arch/sandbox/include/asm/dma-mapping.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/sandbox/include/asm/dma-mapping.h b/arch/sandbox/include/asm/dma-mapping.h
index 853b0877b33..410760c2231 100644
--- a/arch/sandbox/include/asm/dma-mapping.h
+++ b/arch/sandbox/include/asm/dma-mapping.h
@@ -1 +1,28 @@
/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copied from arch/arm/include/asm/dma-mapping.h which is:
+ *
+ * (C) Copyright 2007
+ * Stelian Pop <stelian@popies.net>
+ * Lead Tech Design <www.leadtechdesign.com>
+ */
+
+#ifndef __ASM_SANDBOX_DMA_MAPPING_H
+#define __ASM_SANDBOX_DMA_MAPPING_H
+
+#include <asm/cache.h>
+#include <linux/types.h>
+#include <malloc.h>
+
+static inline void *dma_alloc_coherent(size_t len, unsigned long *handle)
+{
+ *handle = (unsigned long)memalign(ARCH_DMA_MINALIGN, ROUND(len, ARCH_DMA_MINALIGN));
+ return (void *)*handle;
+}
+
+static inline void dma_free_coherent(void *addr)
+{
+ free(addr);
+}
+
+#endif