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Subjectarch/sh/include/asm/io.h:246:32: warning: cast to pointer from integer of different size
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: e6506eb241871d68647c53cb6d0a16299550ae97
commit: ac21fc2dcb405cf250ad3f1228f64f64930d9211 sh: switch to NO_BOOTMEM
date: 6 days ago
config: sh-allmodconfig (attached as .config)
compiler: sh4-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout ac21fc2dcb405cf250ad3f1228f64f64930d9211
# save the attached .config to linux build tree
make.cross ARCH=sh

All warnings (new ones prefixed by >>):

In file included from mm/nobootmem.c:22:0:
mm/nobootmem.c: In function '__alloc_memory_core_early':
>> arch/sh/include/asm/io.h:246:32: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
#define phys_to_virt(address) ((void *)(address))
^
>> mm/nobootmem.c:65:8: note: in expansion of macro 'phys_to_virt'
ptr = phys_to_virt(addr);
^~~~~~~~~~~~

vim +246 arch/sh/include/asm/io.h

959f85f8a include/asm-sh/io.h Paul Mundt 2006-09-27 238
ac490a489 include/asm-sh/io.h Paul Mundt 2007-11-20 239 /* Quad-word real-mode I/O, don't ask.. */
ac490a489 include/asm-sh/io.h Paul Mundt 2007-11-20 240 unsigned long long peek_real_address_q(unsigned long long addr);
ac490a489 include/asm-sh/io.h Paul Mundt 2007-11-20 241 unsigned long long poke_real_address_q(unsigned long long addr,
ac490a489 include/asm-sh/io.h Paul Mundt 2007-11-20 242 unsigned long long val);
ac490a489 include/asm-sh/io.h Paul Mundt 2007-11-20 243
da06b8d05 include/asm-sh/io.h Paul Mundt 2007-11-09 244 #if !defined(CONFIG_MMU)
da06b8d05 include/asm-sh/io.h Paul Mundt 2007-11-09 245 #define virt_to_phys(address) ((unsigned long)(address))
da06b8d05 include/asm-sh/io.h Paul Mundt 2007-11-09 @246 #define phys_to_virt(address) ((void *)(address))
d02b08f6e include/asm-sh/io.h Stuart Menefy 2007-11-30 247 #else
da06b8d05 include/asm-sh/io.h Paul Mundt 2007-11-09 248 #define virt_to_phys(address) (__pa(address))
da06b8d05 include/asm-sh/io.h Paul Mundt 2007-11-09 249 #define phys_to_virt(address) (__va(address))
a2d1a5fae include/asm-sh/io.h Yoshinori Sato 2006-09-27 250 #endif
^1da177e4 include/asm-sh/io.h Linus Torvalds 2005-04-16 251

:::::: The code at line 246 was first introduced by commit
:::::: da06b8d0545a1bf95b9060bf301d6de3400fafd6 sh: Add SH-5 support to io.h.

:::::: TO: Paul Mundt <lethal@linux-sh.org>
:::::: CC: Paul Mundt <lethal@linux-sh.org>

---
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