IXP4xx: Fix compilation failure with CONFIG_IXP4XX_INDIRECT_PCI.
Instead of including the heavy linux/mm.h for VMALLOC_START, test the addresses against PCI MIN and MAX addresses. Indirect PCI uses 1:1 mapping for MMIO space making this change possible. Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
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@ -55,10 +55,16 @@ extern int ixp4xx_pci_write(u32 addr, u32 cmd, u32 data);
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* access registers. If something outside of PCI is ioremap'd, we
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* fallback to the default.
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*/
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static inline int is_pci_memory(u32 addr)
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{
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return (addr >= PCIBIOS_MIN_MEM) && (addr <= 0x4FFFFFFF);
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}
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static inline void __iomem * __indirect_ioremap(unsigned long addr, size_t size,
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unsigned int mtype)
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{
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if((addr < PCIBIOS_MIN_MEM) || (addr > 0x4fffffff))
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if (!is_pci_memory(addr))
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return __arm_ioremap(addr, size, mtype);
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return (void __iomem *)addr;
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@ -66,7 +72,7 @@ static inline void __iomem * __indirect_ioremap(unsigned long addr, size_t size,
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static inline void __indirect_iounmap(void __iomem *addr)
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{
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if ((__force u32)addr >= VMALLOC_START)
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if (!is_pci_memory((__force u32)addr))
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__iounmap(addr);
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}
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@ -94,7 +100,7 @@ static inline void __indirect_writeb(u8 value, volatile void __iomem *p)
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u32 addr = (u32)p;
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u32 n, byte_enables, data;
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if (addr >= VMALLOC_START) {
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if (!is_pci_memory(addr)) {
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__raw_writeb(value, addr);
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return;
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}
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@ -117,7 +123,7 @@ static inline void __indirect_writew(u16 value, volatile void __iomem *p)
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u32 addr = (u32)p;
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u32 n, byte_enables, data;
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if (addr >= VMALLOC_START) {
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if (!is_pci_memory(addr)) {
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__raw_writew(value, addr);
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return;
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}
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@ -138,7 +144,8 @@ static inline void __indirect_writesw(volatile void __iomem *bus_addr,
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static inline void __indirect_writel(u32 value, volatile void __iomem *p)
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{
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u32 addr = (__force u32)p;
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if (addr >= VMALLOC_START) {
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if (!is_pci_memory(addr)) {
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__raw_writel(value, p);
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return;
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}
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@ -158,7 +165,7 @@ static inline unsigned char __indirect_readb(const volatile void __iomem *p)
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u32 addr = (u32)p;
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u32 n, byte_enables, data;
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if (addr >= VMALLOC_START)
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if (!is_pci_memory(addr))
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return __raw_readb(addr);
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n = addr % 4;
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@ -181,7 +188,7 @@ static inline unsigned short __indirect_readw(const volatile void __iomem *p)
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u32 addr = (u32)p;
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u32 n, byte_enables, data;
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if (addr >= VMALLOC_START)
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if (!is_pci_memory(addr))
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return __raw_readw(addr);
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n = addr % 4;
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@ -204,7 +211,7 @@ static inline unsigned long __indirect_readl(const volatile void __iomem *p)
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u32 addr = (__force u32)p;
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u32 data;
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if (addr >= VMALLOC_START)
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if (!is_pci_memory(addr))
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return __raw_readl(p);
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if (ixp4xx_pci_read(addr, NP_CMD_MEMREAD, &data))
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