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Date: Tue, 11 Oct 2022 23:42:16 +0800
From: kernel test robot <lkp@...el.com>
To: Luo bin <luobin9@...wei.com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:618:22: sparse:
sparse: cast to restricted __be64
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 60bb8154d1d77042a5d43d335a68fdb202302cbe
commit: a425b6e1c69ba907b72b737a4d44f8cfbc43ce3c hinic: add mailbox function support
date: 2 years, 6 months ago
config: x86_64-randconfig-s032-20221010
compiler: gcc-11 (Debian 11.3.0-5) 11.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.4-39-gce1a6720-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a425b6e1c69ba907b72b737a4d44f8cfbc43ce3c
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout a425b6e1c69ba907b72b737a4d44f8cfbc43ce3c
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
sparse warnings: (new ones prefixed by >>)
drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:543:54: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got unsigned char [usertype] * @@
drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:543:54: sparse: expected void volatile [noderef] <asn:2> *addr
drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:543:54: sparse: got unsigned char [usertype] *
drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:566:58: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got unsigned char [usertype] * @@
drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:566:58: sparse: expected void volatile [noderef] <asn:2> *addr
drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:566:58: sparse: got unsigned char [usertype] *
drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:601:6: sparse: sparse: symbol 'dump_mox_reg' was not declared. Should it be static?
>> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:618:22: sparse: sparse: cast to restricted __be64
>> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:618:22: sparse: sparse: cast to restricted __be64
>> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:618:22: sparse: sparse: cast to restricted __be64
>> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:618:22: sparse: sparse: cast to restricted __be64
>> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:618:22: sparse: sparse: cast to restricted __be64
>> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:618:22: sparse: sparse: cast to restricted __be64
>> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:618:22: sparse: sparse: cast to restricted __be64
>> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:618:22: sparse: sparse: cast to restricted __be64
>> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:618:22: sparse: sparse: cast to restricted __be64
>> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:618:22: sparse: sparse: cast to restricted __be64
drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:1057:25: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected unsigned char [usertype] *data @@ got void [noderef] <asn:2> * @@
drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:1057:25: sparse: expected unsigned char [usertype] *data
drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:1057:25: sparse: got void [noderef] <asn:2> *
drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c: note: in included file:
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __be32 [usertype] @@
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: expected unsigned int val
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: got restricted __be32 [usertype]
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __be32 [usertype] @@
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: expected unsigned int val
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: got restricted __be32 [usertype]
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __be32 [usertype] @@
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: expected unsigned int val
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: got restricted __be32 [usertype]
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __be32 [usertype] @@
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: expected unsigned int val
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: got restricted __be32 [usertype]
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __be32 [usertype] @@
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: expected unsigned int val
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: got restricted __be32 [usertype]
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __be32 [usertype] @@
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: expected unsigned int val
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: got restricted __be32 [usertype]
vim +618 drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c
614
615 static u16 get_mbox_status(struct hinic_send_mbox *mbox)
616 {
617 /* write back is 16B, but only use first 4B */
> 618 u64 wb_val = be64_to_cpu(*mbox->wb_status);
619
620 rmb(); /* verify reading before check */
621
622 return (u16)(wb_val & MBOX_WB_STATUS_ERRCODE_MASK);
623 }
624
--
0-DAY CI Kernel Test Service
https://01.org/lkp
View attachment "config" of type "text/plain" (131693 bytes)
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