Hi Chen, Although "SuperH Timer Support" are never used in our platforms, we can still consider if these functions are necessary. Could you send the config to us?
Best, Lennox 2014-06-18 13:06 GMT+08:00 Chen Gang <[email protected]>: > score did not implement some io map functions when MMU enabled, so need > add generic io map functions, just like some other architectures have > done (e.g. sparc64, s390, and mn10300), or will cause compiling issue. > > The related error (allmodconfig under score): > > CC drivers/clocksource/sh_cmt.o > drivers/clocksource/sh_cmt.c: In function 'sh_cmt_map_memory': > drivers/clocksource/sh_cmt.c:932:2: error: implicit declaration of function > 'ioremap_nocache' [-Werror=implicit-function-declaration] > cmt->mapbase = ioremap_nocache(mem->start, resource_size(mem)); > ^ > drivers/clocksource/sh_cmt.c:932:15: warning: assignment makes pointer from > integer without a cast > cmt->mapbase = ioremap_nocache(mem->start, resource_size(mem)); > ^ > drivers/clocksource/sh_cmt.c: In function 'sh_cmt_map_memory_legacy': > drivers/clocksource/sh_cmt.c:953:18: warning: assignment makes pointer from > integer without a cast > cmt->mapbase_ch = ioremap_nocache(res->start, resource_size(res)); > ^ > drivers/clocksource/sh_cmt.c:963:15: warning: assignment makes pointer from > integer without a cast > cmt->mapbase = ioremap_nocache(res2 ? res2->start : > ^ > drivers/clocksource/sh_cmt.c:968:3: error: implicit declaration of function > 'iounmap' [-Werror=implicit-function-declaration] > iounmap(cmt->mapbase_ch); > ^ > cc1: some warnings being treated as errors > make[2]: *** [drivers/clocksource/sh_cmt.o] Error 1 > make[1]: *** [drivers/clocksource] Error 2 > make: *** [drivers] Error 2 > > Signed-off-by: Chen Gang <[email protected]> > --- > arch/score/include/asm/io.h | 16 ++++++++++++++++ > 1 file changed, 16 insertions(+) > > diff --git a/arch/score/include/asm/io.h b/arch/score/include/asm/io.h > index 574c8827..d67aeea 100644 > --- a/arch/score/include/asm/io.h > +++ b/arch/score/include/asm/io.h > @@ -3,6 +3,22 @@ > > #include <asm-generic/io.h> > > +#ifdef CONFIG_MMU > +static inline void __iomem *ioremap(phys_addr_t offset, unsigned long size) > +{ > + return (void __iomem *) (unsigned long)offset; > +} > + > +#define __ioremap(offset, size, flags) ioremap(offset, size) > + > +#define ioremap_nocache ioremap > +#define ioremap_wc ioremap_nocache > + > +static inline void iounmap(void __iomem *addr) > +{ > +} > +#endif > + > #define virt_to_bus virt_to_phys > #define bus_to_virt phys_to_virt > #endif /* _ASM_SCORE_IO_H */ > -- > 1.9.2.459.g68773ac -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
