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ARM: 8584/1: floppy: avoid gcc-6 warning
gcc-6.0 warns about comparisons between two identical expressions, which is what we get in the floppy driver when writing to the FD_DOR register: drivers/block/floppy.c: In function 'set_dor': drivers/block/floppy.c:810:44: error: self-comparison always evaluates to true [-Werror=tautological-compare] fd_outb(newdor, FD_DOR); It would be nice to use a static inline function instead of the macro, to avoid the warning, but we cannot do that because the FD_DOR definition is incomplete at this point. Adding a cast to (u32) is a harmless way to shut up the warning, just not very nice. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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@ -17,7 +17,7 @@
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#define fd_outb(val,port) \
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do { \
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if ((port) == FD_DOR) \
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if ((port) == (u32)FD_DOR) \
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fd_setdor((val)); \
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else \
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outb((val),(port)); \
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