Am 17.05.2016 um 12:56 schrieb Paul Burton: > When building for MIPS64 and providing a pointer to _ACAST32_, > optionally via CPHYSADDR or one of the CKSEGxADDR macros, the cast > directly to a 32 bit int leads to compilation warnings such as the > following: > > In file included from ./arch/mips/include/asm/io.h:17:0, > from drivers/net/pcnet.c:14: > drivers/net/pcnet.c: In function ‘pcnet_virt_to_mem’: > ./arch/mips/include/asm/addrspace.h:39:29: warning: cast from pointer to > integer of different size [-Wpointer-to-int-cast] > #define _ACAST32_ (_ATYPE_)(_ATYPE32_) /* widen if necessary */ > ^ > ./arch/mips/include/asm/addrspace.h:51:25: note: in expansion of macro > ‘_ACAST32_’ > #define CPHYSADDR(a) ((_ACAST32_(a)) & 0x1fffffff) > ^ > ./arch/mips/include/asm/addrspace.h:71:25: note: in expansion of macro > ‘CPHYSADDR’ > #define CKSEG0ADDR(a) (CPHYSADDR(a) | CKSEG0) > ^ > drivers/net/pcnet.c:144:23: note: in expansion of macro ‘CKSEG0ADDR’ > virt_addr = (void *)CKSEG0ADDR(addr); > ^ > > Fix this by first casting provided values to a pointer-width integer, > then truncating to a 32 bit int & widening back to pointer-width. > > Signed-off-by: Paul Burton <paul.bur...@imgtec.com> > --- > > arch/mips/include/asm/addrspace.h | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/arch/mips/include/asm/addrspace.h > b/arch/mips/include/asm/addrspace.h > index 0994e96..fe497b5 100644 > --- a/arch/mips/include/asm/addrspace.h > +++ b/arch/mips/include/asm/addrspace.h > @@ -36,8 +36,8 @@ > #define _ACAST32_ > #define _ACAST64_ > #else > -#define _ACAST32_ (_ATYPE_)(_ATYPE32_) /* widen if necessary */ > -#define _ACAST64_ (_ATYPE64_) /* do _not_ narrow */ > +#define _ACAST32_ (_ATYPE_)(_ATYPE32_)(_ATYPE_) /* widen if necessary */ > +#define _ACAST64_ (_ATYPE64_) /* do _not_ narrow */ > #endif > > /* >
could you fix this in the pcnet driver? If possible I want to avoid U-Boot specific changes on files imported from Linux. -- - Daniel
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