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    ARM: realview: fix sparsemem build · dd94d355
    Arnd Bergmann 提交于
    Commit b713aa0b "ARM: fix asm/memory.h build error" broke some
    configurations on mach-realview with sparsemem enabled, which
    is missing a definition of PHYS_OFFSET:
    
    arch/arm/include/asm/memory.h:268:42: error: 'PHYS_OFFSET' undeclared (first use in this function)
     #define PHYS_PFN_OFFSET ((unsigned long)(PHYS_OFFSET >> PAGE_SHIFT))
    arch/arm/include/asm/dma-mapping.h:104:9: note: in expansion of macro 'PHYS_PFN_OFFSET'
      return PHYS_PFN_OFFSET + dma_to_pfn(dev, *dev->dma_mask);
    
    An easy workaround is for realview to define PHYS_OFFSET itself,
    in the same way we define it for platforms that don't have a private
    __virt_to_phys function.
    Signed-off-by: NArnd Bergmann <arnd@arndb.de>
    Cc: Russell King <linux@arm.linux.org.uk>
    Cc: Linus Walleij <linus.walleij@linaro.org>
    dd94d355
memory.h 2.2 KB