tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 4da9f3302615f4191814f826054846bf843e24fa commit: 670d0a4b10704667765f7d18f7592993d02783aa sparse: use identifiers to define address spaces date: 7 weeks ago config: arm64-randconfig-s031-20200805 (attached as .config) compiler: aarch64-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: v0.6.2-117-g8c7aee71-dirty git checkout 670d0a4b10704667765f7d18f7592993d02783aa # 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=arm64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>
sparse warnings: (new ones prefixed by >>)
>> drivers/firmware/tegra/bpmp-tegra210.c:148:11: sparse: sparse: incorrect
>> type in assignment (different address spaces) @@ expected void *p @@
>> got void [noderef] __iomem * @@
drivers/firmware/tegra/bpmp-tegra210.c:148:11: sparse: expected void *p
>> drivers/firmware/tegra/bpmp-tegra210.c:148:11: sparse: got void
>> [noderef] __iomem *
vim +148 drivers/firmware/tegra/bpmp-tegra210.c
139251fc220830c Timo Alho 2019-01-24 134
139251fc220830c Timo Alho 2019-01-24 135 static int
tegra210_bpmp_channel_init(struct tegra_bpmp_channel *channel,
139251fc220830c Timo Alho 2019-01-24 136
struct tegra_bpmp *bpmp,
139251fc220830c Timo Alho 2019-01-24 137
unsigned int index)
139251fc220830c Timo Alho 2019-01-24 138 {
139251fc220830c Timo Alho 2019-01-24 139 struct tegra210_bpmp *priv =
bpmp->priv;
139251fc220830c Timo Alho 2019-01-24 140 u32 address;
139251fc220830c Timo Alho 2019-01-24 141 void *p;
139251fc220830c Timo Alho 2019-01-24 142
139251fc220830c Timo Alho 2019-01-24 143 /* Retrieve channel base
address from BPMP */
139251fc220830c Timo Alho 2019-01-24 144 writel(index <<
TRIGGER_ID_SHIFT | TRIGGER_CMD_GET,
139251fc220830c Timo Alho 2019-01-24 145 priv->atomics +
TRIGGER_OFFSET);
139251fc220830c Timo Alho 2019-01-24 146 address = readl(priv->atomics +
RESULT_OFFSET(index));
139251fc220830c Timo Alho 2019-01-24 147
139251fc220830c Timo Alho 2019-01-24 @148 p = devm_ioremap(bpmp->dev,
address, 0x80);
139251fc220830c Timo Alho 2019-01-24 149 if (!p)
139251fc220830c Timo Alho 2019-01-24 150 return -ENOMEM;
139251fc220830c Timo Alho 2019-01-24 151
139251fc220830c Timo Alho 2019-01-24 152 channel->ib = p;
139251fc220830c Timo Alho 2019-01-24 153 channel->ob = p;
139251fc220830c Timo Alho 2019-01-24 154 channel->index = index;
139251fc220830c Timo Alho 2019-01-24 155
init_completion(&channel->completion);
139251fc220830c Timo Alho 2019-01-24 156 channel->bpmp = bpmp;
139251fc220830c Timo Alho 2019-01-24 157
139251fc220830c Timo Alho 2019-01-24 158 return 0;
139251fc220830c Timo Alho 2019-01-24 159 }
139251fc220830c Timo Alho 2019-01-24 160
:::::: The code at line 148 was first introduced by commit
:::::: 139251fc220830cc49b71331d281a8ad03a08ab7 firmware: tegra: add bpmp
driver for Tegra210
:::::: TO: Timo Alho <ta...@nvidia.com>
:::::: CC: Thierry Reding <tred...@nvidia.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
