1:29 a.m.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 06a4ec1d9dc652e17ee3ac2ceb6c7cf6c2b75cdd
commit: a66cbdd6573db8515735d37793c22605432c346d mt76: mt7615: introduce mt7663s support
date: 4 weeks ago
config: nios2-randconfig-s031-20200818 (attached as .config)
compiler: nios2-linux-gcc (GCC) 9.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.2-183-gaa6ede3b-dirty
git checkout a66cbdd6573db8515735d37793c22605432c346d
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1
CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=nios2
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
sparse warnings: (new ones prefixed by >>)
> drivers/net/wireless/mediatek/mt76/mt7615/sdio_mcu.c:78:62:
sparse: sparse: Using plain integer as NULL pointer
drivers/net/wireless/mediatek/mt76/mt7615/sdio_mcu.c:110:62: sparse: sparse: Using plain
integer as NULL pointer
--
> drivers/net/wireless/mediatek/mt76/mt7615/sdio_txrx.c:243:58:
sparse: sparse: Using plain integer as NULL pointer
drivers/net/wireless/mediatek/mt76/mt7615/sdio_txrx.c:270:58: sparse: sparse: Using plain
integer as NULL pointer
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit...
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout a66cbdd6573db8515735d37793c22605432c346d
vim +78 drivers/net/wireless/mediatek/mt76/mt7615/sdio_mcu.c
65
66 int mt7663s_driver_own(struct mt7615_dev *dev)
67 {
68 struct sdio_func *func = dev->mt76.sdio.func;
69 struct mt76_phy *mphy = &dev->mt76.phy;
70 u32 status;
71 int ret;
72
73 if (!test_and_clear_bit(MT76_STATE_PM, &mphy->state))
74 goto out;
75
76 sdio_claim_host(func);
77
78 sdio_writel(func, WHLPCR_FW_OWN_REQ_CLR, MCR_WHLPCR, 0);
79
80 ret = readx_poll_timeout(mt7663s_read_pcr, dev, status,
81 status & WHLPCR_IS_DRIVER_OWN, 2000, 1000000);
82 if (ret < 0) {
83 dev_err(dev->mt76.dev, "Cannot get ownership from device");
84 set_bit(MT76_STATE_PM, &mphy->state);
85 sdio_release_host(func);
86
87 return ret;
88 }
89
90 sdio_release_host(func);
91
92 out:
93 dev->pm.last_activity = jiffies;
94
95 return 0;
96 }
97
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org