11:17 a.m.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git nvme-platform
head: 7dc06cf18b266aa30ab60ffd33ac7cfce46bf06d
commit: aacd239d9ab8edf623e68063b6a96218a1c029f9 [25/35] of/address: Add infrastructure to
declare MMIO as non-posted
config: parisc-randconfig-r004-20210214 (attached as .config)
compiler: hppa-linux-gcc (GCC) 9.3.0
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://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git/commi...
git remote add arnd-playground
https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git
git fetch --no-tags arnd-playground nvme-platform
git checkout aacd239d9ab8edf623e68063b6a96218a1c029f9
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=parisc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All error/warnings (new ones prefixed by >>):
drivers/of/address.c: In function 'of_iomap':
> drivers/of/address.c:903:10: error: implicit declaration of
function 'ioremap_np'; did you mean 'ioremap_uc'?
[-Werror=implicit-function-declaration]
903 | return ioremap_np(res.start,
resource_size(&res));
| ^~~~~~~~~~
| ioremap_uc
> drivers/of/address.c:903:10: warning: returning 'int'
from a function with return type 'void *' makes pointer from integer without a
cast [-Wint-conversion]
903 | return ioremap_np(res.start,
resource_size(&res));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/of/address.c: In function 'of_io_request_and_map':
> drivers/of/address.c:938:7: warning: assignment to 'void
*' from 'int' makes pointer from integer without a cast [-Wint-conversion]
938 | mem = ioremap_np(res.start, resource_size(&res));
| ^
cc1: some warnings being treated as errors
vim +903 drivers/of/address.c
887
888 /**
889 * of_iomap - Maps the memory mapped IO for a given device_node
890 * @np: the device whose io range will be mapped
891 * @index: index of the io range
892 *
893 * Returns a pointer to the mapped memory
894 */
895 void __iomem *of_iomap(struct device_node *np, int index)
896 {
897 struct resource res;
898
899 if (of_address_to_resource(np, index, &res))
900 return NULL;
901
902 if (res.flags & IORESOURCE_MEM_NONPOSTED)
903 return ioremap_np(res.start, resource_size(&res));
904 else
905 return ioremap(res.start, resource_size(&res));
906 }
907 EXPORT_SYMBOL(of_iomap);
908
909 /*
910 * of_io_request_and_map - Requests a resource and maps the memory mapped IO
911 * for a given device_node
912 * @device: the device whose io range will be mapped
913 * @index: index of the io range
914 * @name: name "override" for the memory region request or NULL
915 *
916 * Returns a pointer to the requested and mapped memory or an ERR_PTR() encoded
917 * error code on failure. Usage example:
918 *
919 * base = of_io_request_and_map(node, 0, "foo");
920 * if (IS_ERR(base))
921 * return PTR_ERR(base);
922 */
923 void __iomem *of_io_request_and_map(struct device_node *np, int index,
924 const char *name)
925 {
926 struct resource res;
927 void __iomem *mem;
928
929 if (of_address_to_resource(np, index, &res))
930 return IOMEM_ERR_PTR(-EINVAL);
931
932 if (!name)
933 name = res.name;
934 if (!request_mem_region(res.start, resource_size(&res), name))
935 return IOMEM_ERR_PTR(-EBUSY);
936
937 if (res.flags & IORESOURCE_MEM_NONPOSTED)
938 mem = ioremap_np(res.start, resource_size(&res));
939 else
940 mem = ioremap(res.start, resource_size(&res));
941
942 if (!mem) {
943 release_mem_region(res.start, resource_size(&res));
944 return IOMEM_ERR_PTR(-ENOMEM);
945 }
946
947 return mem;
948 }
949 EXPORT_SYMBOL(of_io_request_and_map);
950
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org