* [intel-tdx:guest 38/108] drivers/pci/msi.c:685:9: warning: returning 'int' from a function with return type 'void *' makes pointer from integer without a cast
@ 2021-07-26 21:33 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2021-07-26 21:33 UTC (permalink / raw)
To: Andi Kleen; +Cc: kbuild-all, linux-kernel, Kuppuswamy Sathyanarayanan
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tree: https://github.com/intel/tdx.git guest
head: 47f59bba16441d093f6f44da93c3a4e31701eb74
commit: 387bdd802cc9ef2bdcd9242a0b7d8475aad57d5b [38/108] pci: Mark MSI data shared
config: parisc-randconfig-r026-20210726 (attached as .config)
compiler: hppa64-linux-gcc (GCC) 10.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/intel/tdx/commit/387bdd802cc9ef2bdcd9242a0b7d8475aad57d5b
git remote add intel-tdx https://github.com/intel/tdx.git
git fetch --no-tags intel-tdx guest
git checkout 387bdd802cc9ef2bdcd9242a0b7d8475aad57d5b
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=parisc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
drivers/pci/msi.c: In function 'msix_map_region':
drivers/pci/msi.c:685:9: error: implicit declaration of function 'ioremap_shared'; did you mean 'pci_iomap_shared'? [-Werror=implicit-function-declaration]
685 | return ioremap_shared(phys_addr, nr_entries * PCI_MSIX_ENTRY_SIZE);
| ^~~~~~~~~~~~~~
| pci_iomap_shared
>> drivers/pci/msi.c:685:9: warning: returning 'int' from a function with return type 'void *' makes pointer from integer without a cast [-Wint-conversion]
685 | return ioremap_shared(phys_addr, nr_entries * PCI_MSIX_ENTRY_SIZE);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +685 drivers/pci/msi.c
667
668 static void __iomem *msix_map_region(struct pci_dev *dev, unsigned nr_entries)
669 {
670 resource_size_t phys_addr;
671 u32 table_offset;
672 unsigned long flags;
673 u8 bir;
674
675 pci_read_config_dword(dev, dev->msix_cap + PCI_MSIX_TABLE,
676 &table_offset);
677 bir = (u8)(table_offset & PCI_MSIX_TABLE_BIR);
678 flags = pci_resource_flags(dev, bir);
679 if (!flags || (flags & IORESOURCE_UNSET))
680 return NULL;
681
682 table_offset &= PCI_MSIX_TABLE_OFFSET;
683 phys_addr = pci_resource_start(dev, bir) + table_offset;
684
> 685 return ioremap_shared(phys_addr, nr_entries * PCI_MSIX_ENTRY_SIZE);
686 }
687
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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