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kernel add
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#ifndef __LINUX_GOLDFISH_H
#define __LINUX_GOLDFISH_H
/* Helpers for Goldfish virtual platform */
static inline void gf_write_ptr(const void *ptr, void __iomem *portl,
void __iomem *porth)
{
writel((u32)(unsigned long)ptr, portl);
#ifdef CONFIG_64BIT
writel((unsigned long)ptr >> 32, porth);
#endif
}
static inline void gf_write_dma_addr(const dma_addr_t addr,
void __iomem *portl,
void __iomem *porth)
{
writel((u32)addr, portl);
#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
writel(addr >> 32, porth);
#endif
}
#endif /* __LINUX_GOLDFISH_H */
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