change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/include/asm-generic/iomap.h
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@@ -26,14 +26,25 @@
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  * in the low address range. Architectures for which this is not
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  * true can't use this generic implementation.
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  */
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-extern unsigned int ioread8(void __iomem *);
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-extern unsigned int ioread16(void __iomem *);
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-extern unsigned int ioread16be(void __iomem *);
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-extern unsigned int ioread32(void __iomem *);
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-extern unsigned int ioread32be(void __iomem *);
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+extern unsigned int ioread8(const void __iomem *);
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+extern unsigned int ioread16(const void __iomem *);
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+extern unsigned int ioread16be(const void __iomem *);
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+extern unsigned int ioread32(const void __iomem *);
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+extern unsigned int ioread32be(const void __iomem *);
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 #ifdef CONFIG_64BIT
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-extern u64 ioread64(void __iomem *);
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-extern u64 ioread64be(void __iomem *);
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+extern u64 ioread64(const void __iomem *);
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+extern u64 ioread64be(const void __iomem *);
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+#endif
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+
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+#ifdef readq
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+#define ioread64_lo_hi ioread64_lo_hi
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+#define ioread64_hi_lo ioread64_hi_lo
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+#define ioread64be_lo_hi ioread64be_lo_hi
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+#define ioread64be_hi_lo ioread64be_hi_lo
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+extern u64 ioread64_lo_hi(const void __iomem *addr);
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+extern u64 ioread64_hi_lo(const void __iomem *addr);
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+extern u64 ioread64be_lo_hi(const void __iomem *addr);
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+extern u64 ioread64be_hi_lo(const void __iomem *addr);
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 #endif
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 extern void iowrite8(u8, void __iomem *);
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@@ -44,6 +55,17 @@
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 #ifdef CONFIG_64BIT
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 extern void iowrite64(u64, void __iomem *);
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 extern void iowrite64be(u64, void __iomem *);
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+#endif
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+
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+#ifdef writeq
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+#define iowrite64_lo_hi iowrite64_lo_hi
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+#define iowrite64_hi_lo iowrite64_hi_lo
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+#define iowrite64be_lo_hi iowrite64be_lo_hi
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+#define iowrite64be_hi_lo iowrite64be_hi_lo
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+extern void iowrite64_lo_hi(u64 val, void __iomem *addr);
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+extern void iowrite64_hi_lo(u64 val, void __iomem *addr);
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+extern void iowrite64be_lo_hi(u64 val, void __iomem *addr);
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+extern void iowrite64be_hi_lo(u64 val, void __iomem *addr);
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 #endif
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 /*
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@@ -57,9 +79,9 @@
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  * memory across multiple ports, use "memcpy_toio()"
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  * and friends.
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  */
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-extern void ioread8_rep(void __iomem *port, void *buf, unsigned long count);
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-extern void ioread16_rep(void __iomem *port, void *buf, unsigned long count);
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-extern void ioread32_rep(void __iomem *port, void *buf, unsigned long count);
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+extern void ioread8_rep(const void __iomem *port, void *buf, unsigned long count);
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+extern void ioread16_rep(const void __iomem *port, void *buf, unsigned long count);
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+extern void ioread32_rep(const void __iomem *port, void *buf, unsigned long count);
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 extern void iowrite8_rep(void __iomem *port, const void *buf, unsigned long count);
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 extern void iowrite16_rep(void __iomem *port, const void *buf, unsigned long count);
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@@ -72,11 +94,11 @@
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 #endif
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 #ifndef ARCH_HAS_IOREMAP_WC
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-#define ioremap_wc ioremap_nocache
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+#define ioremap_wc ioremap
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 #endif
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 #ifndef ARCH_HAS_IOREMAP_WT
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-#define ioremap_wt ioremap_nocache
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+#define ioremap_wt ioremap
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 #endif
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 #ifdef CONFIG_PCI