Messages in this thread | | | Date | Wed, 26 Aug 2020 01:05:39 +0800 | From | kernel test robot <> | Subject | drivers/i2c/busses/i2c-iop3xx.c:405:29: sparse: expected void |
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Hi Krzysztof,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 6a9dc5fd6170d0a41c8a14eb19e63d94bea5705a commit: 4a2d5f663dab6614772d8e28ca190b127ba46d9d i2c: Enable compile testing for more drivers date: 7 months ago config: openrisc-randconfig-s032-20200825 (attached as .config) compiler: or1k-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: v0.6.2-191-g10164920-dirty git checkout 4a2d5f663dab6614772d8e28ca190b127ba46d9d # 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=openrisc
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
drivers/i2c/busses/i2c-iop3xx.c:405:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *addr @@ got void [noderef] <asn:2> *ioaddr @@ >> drivers/i2c/busses/i2c-iop3xx.c:405:29: sparse: expected void *addr drivers/i2c/busses/i2c-iop3xx.c:405:29: sparse: got void [noderef] <asn:2> *ioaddr drivers/i2c/busses/i2c-iop3xx.c:504:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *addr @@ got void [noderef] <asn:2> *ioaddr @@ drivers/i2c/busses/i2c-iop3xx.c:504:29: sparse: expected void *addr drivers/i2c/busses/i2c-iop3xx.c:504:29: sparse: got void [noderef] <asn:2> *ioaddr
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4a2d5f663dab6614772d8e28ca190b127ba46d9d git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 4a2d5f663dab6614772d8e28ca190b127ba46d9d vim +405 drivers/i2c/busses/i2c-iop3xx.c
^1da177e4c3f415 Linus Torvalds 2005-04-16 388 ^1da177e4c3f415 Linus Torvalds 2005-04-16 389 static int 3ae5eaec1d2d9c0 Russell King 2005-11-09 390 iop3xx_i2c_remove(struct platform_device *pdev) ^1da177e4c3f415 Linus Torvalds 2005-04-16 391 { 3ae5eaec1d2d9c0 Russell King 2005-11-09 392 struct i2c_adapter *padapter = platform_get_drvdata(pdev); ^1da177e4c3f415 Linus Torvalds 2005-04-16 393 struct i2c_algo_iop3xx_data *adapter_data = ^1da177e4c3f415 Linus Torvalds 2005-04-16 394 (struct i2c_algo_iop3xx_data *)padapter->algo_data; ^1da177e4c3f415 Linus Torvalds 2005-04-16 395 struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); ^1da177e4c3f415 Linus Torvalds 2005-04-16 396 unsigned long cr = __raw_readl(adapter_data->ioaddr + CR_OFFSET); ^1da177e4c3f415 Linus Torvalds 2005-04-16 397 ^1da177e4c3f415 Linus Torvalds 2005-04-16 398 /* ^1da177e4c3f415 Linus Torvalds 2005-04-16 399 * Disable the actual HW unit ^1da177e4c3f415 Linus Torvalds 2005-04-16 400 */ ^1da177e4c3f415 Linus Torvalds 2005-04-16 401 cr &= ~(IOP3XX_ICR_ALD_IE | IOP3XX_ICR_BERR_IE | ^1da177e4c3f415 Linus Torvalds 2005-04-16 402 IOP3XX_ICR_RXFULL_IE | IOP3XX_ICR_TXEMPTY_IE); ^1da177e4c3f415 Linus Torvalds 2005-04-16 403 __raw_writel(cr, adapter_data->ioaddr + CR_OFFSET); ^1da177e4c3f415 Linus Torvalds 2005-04-16 404 747fcc91cb5bade Aaro Koskinen 2010-11-29 @405 iounmap(adapter_data->ioaddr); ^1da177e4c3f415 Linus Torvalds 2005-04-16 406 release_mem_region(res->start, IOP3XX_I2C_IO_SIZE); ^1da177e4c3f415 Linus Torvalds 2005-04-16 407 kfree(adapter_data); ^1da177e4c3f415 Linus Torvalds 2005-04-16 408 kfree(padapter); ^1da177e4c3f415 Linus Torvalds 2005-04-16 409 ^1da177e4c3f415 Linus Torvalds 2005-04-16 410 return 0; ^1da177e4c3f415 Linus Torvalds 2005-04-16 411 } ^1da177e4c3f415 Linus Torvalds 2005-04-16 412
:::::: The code at line 405 was first introduced by commit :::::: 747fcc91cb5bade1f681b3a8d0e6d4f697d865fd i2c-iop3xx: add iomem annotation
:::::: TO: Aaro Koskinen <aaro.koskinen@iki.fi> :::::: CC: Ben Dooks <ben-linux@fluff.org>
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