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Date: Wed, 1 Feb 2017 04:49:58 +0800
From: kbuild test robot <lkp@...el.com>
To: Iyappan Subramanian <isubramanian@....com>
Cc: kbuild-all@...org, davem@...emloft.net, netdev@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, patches@....com,
kchudgar@....com, Iyappan Subramanian <isubramanian@....com>
Subject: Re: [PATCH net-next 5/6] drivers: net: xgene-v2: Add transmit and
receive
Hi Iyappan,
[auto build test WARNING on net-next/master]
url: https://github.com/0day-ci/linux/commits/Iyappan-Subramanian/drivers-net-xgene-v2-Add-RGMII-based-1G-driver/20170201-034317
config: parisc-allyesconfig (attached as .config)
compiler: hppa-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=parisc
All warnings (new ones prefixed by >>):
In file included from include/linux/swab.h:4:0,
from include/uapi/linux/byteorder/big_endian.h:12,
from include/linux/byteorder/big_endian.h:4,
from arch/parisc/include/uapi/asm/byteorder.h:4,
from arch/parisc/include/asm/bitops.h:10,
from include/linux/bitops.h:36,
from include/linux/kernel.h:10,
from include/linux/list.h:8,
from include/linux/resource_ext.h:17,
from include/linux/acpi.h:26,
from drivers/net/ethernet/apm/xgene-v2/main.h:25,
from drivers/net/ethernet/apm/xgene-v2/main.c:22:
drivers/net/ethernet/apm/xgene-v2/main.c: In function 'xge_refill_buffers':
drivers/net/ethernet/apm/xgene-v2/main.c:162:20: warning: right shift count >= width of type [-Wshift-count-overflow]
dma_addr >> PKT_ADDRL_LEN));
^
include/uapi/linux/swab.h:129:32: note: in definition of macro '__swab64'
(__builtin_constant_p((__u64)(x)) ? \
^
>> include/linux/byteorder/generic.h:85:21: note: in expansion of macro '__cpu_to_le64'
#define cpu_to_le64 __cpu_to_le64
^~~~~~~~~~~~~
drivers/net/ethernet/apm/xgene-v2/main.c:161:9: note: in expansion of macro 'SET_BITS'
SET_BITS(PKT_ADDRH,
^~~~~~~~
drivers/net/ethernet/apm/xgene-v2/main.c:162:20: warning: right shift count >= width of type [-Wshift-count-overflow]
dma_addr >> PKT_ADDRL_LEN));
^
include/uapi/linux/swab.h:131:12: note: in definition of macro '__swab64'
__fswab64(x))
^
>> include/linux/byteorder/generic.h:85:21: note: in expansion of macro '__cpu_to_le64'
#define cpu_to_le64 __cpu_to_le64
^~~~~~~~~~~~~
drivers/net/ethernet/apm/xgene-v2/main.c:161:9: note: in expansion of macro 'SET_BITS'
SET_BITS(PKT_ADDRH,
^~~~~~~~
drivers/net/ethernet/apm/xgene-v2/main.c: In function 'xge_start_xmit':
drivers/net/ethernet/apm/xgene-v2/main.c:346:19: warning: right shift count >= width of type [-Wshift-count-overflow]
dma_addr >> PKT_ADDRL_LEN));
^
include/uapi/linux/swab.h:129:32: note: in definition of macro '__swab64'
(__builtin_constant_p((__u64)(x)) ? \
^
>> include/linux/byteorder/generic.h:85:21: note: in expansion of macro '__cpu_to_le64'
#define cpu_to_le64 __cpu_to_le64
^~~~~~~~~~~~~
drivers/net/ethernet/apm/xgene-v2/main.c:345:8: note: in expansion of macro 'SET_BITS'
SET_BITS(PKT_ADDRH,
^~~~~~~~
drivers/net/ethernet/apm/xgene-v2/main.c:346:19: warning: right shift count >= width of type [-Wshift-count-overflow]
dma_addr >> PKT_ADDRL_LEN));
^
include/uapi/linux/swab.h:131:12: note: in definition of macro '__swab64'
__fswab64(x))
^
>> include/linux/byteorder/generic.h:85:21: note: in expansion of macro '__cpu_to_le64'
#define cpu_to_le64 __cpu_to_le64
^~~~~~~~~~~~~
drivers/net/ethernet/apm/xgene-v2/main.c:345:8: note: in expansion of macro 'SET_BITS'
SET_BITS(PKT_ADDRH,
^~~~~~~~
drivers/net/ethernet/apm/xgene-v2/main.c: In function 'xge_rx_poll':
drivers/net/ethernet/apm/xgene-v2/main.c:453:23: warning: left shift count >= width of type [-Wshift-count-overflow]
dma_addr = (addr_hi << PKT_ADDRL_LEN) | addr_lo;
^~
vim +/__cpu_to_le64 +85 include/linux/byteorder/generic.h
^1da177e Linus Torvalds 2005-04-16 69 * cpu_to_[bl]eXX(__uXX x)
^1da177e Linus Torvalds 2005-04-16 70 * [bl]eXX_to_cpu(__uXX x)
^1da177e Linus Torvalds 2005-04-16 71 *
^1da177e Linus Torvalds 2005-04-16 72 * The same, but takes a pointer to the value to convert
^1da177e Linus Torvalds 2005-04-16 73 * cpu_to_[bl]eXXp(__uXX x)
^1da177e Linus Torvalds 2005-04-16 74 * [bl]eXX_to_cpup(__uXX x)
^1da177e Linus Torvalds 2005-04-16 75 *
^1da177e Linus Torvalds 2005-04-16 76 * The same, but change in situ
^1da177e Linus Torvalds 2005-04-16 77 * cpu_to_[bl]eXXs(__uXX x)
^1da177e Linus Torvalds 2005-04-16 78 * [bl]eXX_to_cpus(__uXX x)
^1da177e Linus Torvalds 2005-04-16 79 *
^1da177e Linus Torvalds 2005-04-16 80 * See asm-foo/byteorder.h for examples of how to provide
^1da177e Linus Torvalds 2005-04-16 81 * architecture-optimized versions
^1da177e Linus Torvalds 2005-04-16 82 *
^1da177e Linus Torvalds 2005-04-16 83 */
^1da177e Linus Torvalds 2005-04-16 84
^1da177e Linus Torvalds 2005-04-16 @85 #define cpu_to_le64 __cpu_to_le64
^1da177e Linus Torvalds 2005-04-16 86 #define le64_to_cpu __le64_to_cpu
^1da177e Linus Torvalds 2005-04-16 87 #define cpu_to_le32 __cpu_to_le32
^1da177e Linus Torvalds 2005-04-16 88 #define le32_to_cpu __le32_to_cpu
^1da177e Linus Torvalds 2005-04-16 89 #define cpu_to_le16 __cpu_to_le16
^1da177e Linus Torvalds 2005-04-16 90 #define le16_to_cpu __le16_to_cpu
^1da177e Linus Torvalds 2005-04-16 91 #define cpu_to_be64 __cpu_to_be64
^1da177e Linus Torvalds 2005-04-16 92 #define be64_to_cpu __be64_to_cpu
^1da177e Linus Torvalds 2005-04-16 93 #define cpu_to_be32 __cpu_to_be32
:::::: The code at line 85 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2
:::::: TO: Linus Torvalds <torvalds@...970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@...970.osdl.org>
---
0-DAY kernel test infrastructure Open Source Technology Center
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