diff options
Diffstat (limited to 'arch/loongarch/include/asm/io.h')
| -rw-r--r-- | arch/loongarch/include/asm/io.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/loongarch/include/asm/io.h b/arch/loongarch/include/asm/io.h index c2f9979b2979..5e95a60df180 100644 --- a/arch/loongarch/include/asm/io.h +++ b/arch/loongarch/include/asm/io.h @@ -25,10 +25,16 @@ extern void __init early_iounmap(void __iomem *addr, unsigned long size); static inline void __iomem *ioremap_prot(phys_addr_t offset, unsigned long size, unsigned long prot_val) { - if (prot_val & _CACHE_CC) + switch (prot_val & _CACHE_MASK) { + case _CACHE_CC: return (void __iomem *)(unsigned long)(CACHE_BASE + offset); - else + case _CACHE_SUC: return (void __iomem *)(unsigned long)(UNCACHE_BASE + offset); + case _CACHE_WUC: + return (void __iomem *)(unsigned long)(WRITECOMBINE_BASE + offset); + default: + return NULL; + } } #define ioremap(offset, size) \ |