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authorArnaldo Carvalho de Melo <acme@redhat.com>2019-11-26 15:06:19 +0100
committerArnaldo Carvalho de Melo <acme@redhat.com>2019-11-26 15:06:19 +0100
commit2ea352d5960ad469f5712cf3e293db97beac4e01 (patch)
treec24ae19073f2884867b310ee193d36a82075b60f /arch/mips/loongson2ef/fuloong-2e/dma.c
parentMerge branch 'x86/core' into perf/core, to resolve conflicts and to pick up c... (diff)
parentMerge tag 'for-linus-5.5-1' of git://github.com/cminyard/linux-ipmi (diff)
downloadlinux-2ea352d5960ad469f5712cf3e293db97beac4e01.tar.xz
linux-2ea352d5960ad469f5712cf3e293db97beac4e01.zip
Merge remote-tracking branch 'torvalds/master' into perf/core
To pick up BPF changes we'll need. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'arch/mips/loongson2ef/fuloong-2e/dma.c')
-rw-r--r--arch/mips/loongson2ef/fuloong-2e/dma.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/mips/loongson2ef/fuloong-2e/dma.c b/arch/mips/loongson2ef/fuloong-2e/dma.c
new file mode 100644
index 000000000000..e122292bf666
--- /dev/null
+++ b/arch/mips/loongson2ef/fuloong-2e/dma.c
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/dma-direct.h>
+
+dma_addr_t __phys_to_dma(struct device *dev, phys_addr_t paddr)
+{
+ return paddr | 0x80000000;
+}
+
+phys_addr_t __dma_to_phys(struct device *dev, dma_addr_t dma_addr)
+{
+ return dma_addr & 0x7fffffff;
+}