From: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>
kbuild test robot reports:
In file included from include/linux/skbuff.h:34:0,
from include/linux/tcp.h:21,
from drivers/net/ethernet/amd/xgbe/xgbe-drv.c:119:
include/linux/dma-mapping.h: In function 'dma_map_resource':
>> include/linux/dma-mapping.h:274:22: error: implicit declaration of function '__phys_to_pfn' [-Werror=implicit-function-declaration]
unsigned long pfn = __phys_to_pfn(phys_addr);
^~~~~~~~~~~~~
ia64 does not provide __phys_to_pfn(), use the PHYS_PFN() alias.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>
---
include/linux/dma-mapping.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 6e00c7f..ff7c87f 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -271,7 +271,7 @@ static inline dma_addr_t dma_map_resource(struct device *dev,
unsigned long attrs)
{
struct dma_map_ops *ops = get_dma_ops(dev);
- unsigned long pfn = __phys_to_pfn(phys_addr);
+ unsigned long pfn = PHYS_PFN(phys_addr);
dma_addr_t addr;
BUG_ON(!valid_dma_direction(dir));
--
2.9.3
