m68k: Double cast io functions to unsigned long
m68k builds fail widely with errors such as arch/m68k/include/asm/raw_io.h:20:19: error: cast to pointer from integer of different size arch/m68k/include/asm/raw_io.h:30:32: error: cast to pointer from integer of different size [-Werror=int-to-p On m68k, io functions are defined as macros. The problem is seen if the macro parameter variable size differs from the size of a pointer. Cast the parameter of all io macros to unsigned long before casting it to a pointer to fix the problem. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Link: https://lore.kernel.org/r/20210907060729.2391992-1-linux@roeck-us.net Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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@ -17,21 +17,21 @@
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* two accesses to memory, which may be undesirable for some devices.
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*/
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#define in_8(addr) \
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({ u8 __v = (*(__force volatile u8 *) (addr)); __v; })
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({ u8 __v = (*(__force volatile u8 *) (unsigned long)(addr)); __v; })
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#define in_be16(addr) \
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({ u16 __v = (*(__force volatile u16 *) (addr)); __v; })
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({ u16 __v = (*(__force volatile u16 *) (unsigned long)(addr)); __v; })
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#define in_be32(addr) \
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({ u32 __v = (*(__force volatile u32 *) (addr)); __v; })
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({ u32 __v = (*(__force volatile u32 *) (unsigned long)(addr)); __v; })
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#define in_le16(addr) \
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({ u16 __v = le16_to_cpu(*(__force volatile __le16 *) (addr)); __v; })
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({ u16 __v = le16_to_cpu(*(__force volatile __le16 *) (unsigned long)(addr)); __v; })
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#define in_le32(addr) \
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({ u32 __v = le32_to_cpu(*(__force volatile __le32 *) (addr)); __v; })
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({ u32 __v = le32_to_cpu(*(__force volatile __le32 *) (unsigned long)(addr)); __v; })
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#define out_8(addr,b) (void)((*(__force volatile u8 *) (addr)) = (b))
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#define out_be16(addr,w) (void)((*(__force volatile u16 *) (addr)) = (w))
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#define out_be32(addr,l) (void)((*(__force volatile u32 *) (addr)) = (l))
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#define out_le16(addr,w) (void)((*(__force volatile __le16 *) (addr)) = cpu_to_le16(w))
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#define out_le32(addr,l) (void)((*(__force volatile __le32 *) (addr)) = cpu_to_le32(l))
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#define out_8(addr,b) (void)((*(__force volatile u8 *) (unsigned long)(addr)) = (b))
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#define out_be16(addr,w) (void)((*(__force volatile u16 *) (unsigned long)(addr)) = (w))
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#define out_be32(addr,l) (void)((*(__force volatile u32 *) (unsigned long)(addr)) = (l))
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#define out_le16(addr,w) (void)((*(__force volatile __le16 *) (unsigned long)(addr)) = cpu_to_le16(w))
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#define out_le32(addr,l) (void)((*(__force volatile __le32 *) (unsigned long)(addr)) = cpu_to_le32(l))
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#define raw_inb in_8
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#define raw_inw in_be16
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