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authorAxel Lin <axel.lin@ingics.com>2013-06-28 14:45:06 +0800
committerSonic Zhang <sonic.zhang@analog.com>2013-07-31 16:56:03 +0800
commit9868b1426315fc5ac4883b5267d5337b2dfcbd95 (patch)
treeefbdc234058f9534633c840c00db8129f77b02d4 /arch/blackfin/lib
parent2ced773a1ac20de2bf3d642944eb8de028420573 (diff)
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blackfin: gpio: Use proper mask for comparing function
The function return from P_FUNCT2MUX(per) takes 2 bits, however for BF537_FAMILY with offset != 1 the function is 1 bit. Also has small refactor for better readability. In portmux_setup(), it looks odd having "muxreg &= ~(3 << 1);" while in current code we do muxreg |= (function << offset);. Signed-off-by: Axel Lin <axel.lin@ingics.com>
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