* [arnd-asm-generic:dma-sync-rework 22/22] arch/hexagon/kernel/dma.c:19:27: error: use of undeclared identifier 'paddr'
@ 2023-03-25 11:40 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-03-25 11:40 UTC (permalink / raw)
To: Arnd Bergmann; +Cc: llvm, oe-kbuild-all, linux-arch
tree: https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git dma-sync-rework
head: 985cd64f3b17b82468e68c6269e09a5556d3720e
commit: 985cd64f3b17b82468e68c6269e09a5556d3720e [22/22] dma-mapping: replace custom code with generic implementation
config: hexagon-randconfig-r003-20230322 (https://download.01.org/0day-ci/archive/20230325/202303251901.qwqJQ37X-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 67409911353323ca5edf2049ef0df54132fa1ca7)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git/commit/?id=985cd64f3b17b82468e68c6269e09a5556d3720e
git remote add arnd-asm-generic https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git
git fetch --no-tags arnd-asm-generic dma-sync-rework
git checkout 985cd64f3b17b82468e68c6269e09a5556d3720e
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303251901.qwqJQ37X-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from arch/hexagon/kernel/dma.c:8:
In file included from include/linux/dma-map-ops.h:9:
In file included from include/linux/dma-mapping.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/hexagon/include/asm/io.h:334:
include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __raw_readb(PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
#define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
^
In file included from arch/hexagon/kernel/dma.c:8:
In file included from include/linux/dma-map-ops.h:9:
In file included from include/linux/dma-mapping.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/hexagon/include/asm/io.h:334:
include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
#define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
^
In file included from arch/hexagon/kernel/dma.c:8:
In file included from include/linux/dma-map-ops.h:9:
In file included from include/linux/dma-mapping.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/hexagon/include/asm/io.h:334:
include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writeb(value, PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
>> arch/hexagon/kernel/dma.c:19:27: error: use of undeclared identifier 'paddr'
hexagon_inv_dcache_range(paddr, paddr + size);
^
arch/hexagon/kernel/dma.c:19:34: error: use of undeclared identifier 'paddr'
hexagon_inv_dcache_range(paddr, paddr + size);
^
>> arch/hexagon/kernel/dma.c:24:2: error: call to undeclared function 'hexagon_flush_dcache_range'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
hexagon_flush_dcache_range(paddr, paddr + size);
^
arch/hexagon/kernel/dma.c:24:2: note: did you mean 'hexagon_clean_dcache_range'?
arch/hexagon/include/asm/cacheflush.h:75:13: note: 'hexagon_clean_dcache_range' declared here
extern void hexagon_clean_dcache_range(unsigned long start, unsigned long end);
^
arch/hexagon/kernel/dma.c:24:29: error: use of undeclared identifier 'paddr'
hexagon_flush_dcache_range(paddr, paddr + size);
^
arch/hexagon/kernel/dma.c:24:36: error: use of undeclared identifier 'paddr'
hexagon_flush_dcache_range(paddr, paddr + size);
^
6 warnings and 5 errors generated.
vim +/paddr +19 arch/hexagon/kernel/dma.c
16
17 static inline void arch_dma_cache_inv(phys_addr_t start, size_t size)
18 {
> 19 hexagon_inv_dcache_range(paddr, paddr + size);
20 }
21
22 static inline void arch_dma_cache_wback_inv(phys_addr_t start, size_t size)
23 {
> 24 hexagon_flush_dcache_range(paddr, paddr + size);
25 }
26
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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