hey!

look at that funky piece of code found in the HAL and also ath9k/ani.c:

#define AR_MIBC_COW          0x00000001
#define AR_MIBC_FMC          0x00000002
#define AR_MIBC_CMC          0x00000004
#define AR_MIBC_MCS          0x00000008 
REG_WRITE(ah, AR_MIBC,
          ~(AR_MIBC_COW | AR_MIBC_FMC | AR_MIBC_CMC | AR_MIBC_MCS)
          & 0x0f);

what a complicated way to express 0 (ZERO)... ;)

bruno
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