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170 	OPT_BOOLEAN('r', "data_rand_walk", &p0.data_rand_walk,	"access the data with random (32bit LFSR) walk"),
669 static inline uint32_t lfsr_32(uint32_t lfsr)
672 	return (lfsr>>1) ^ ((0x0u - (lfsr & 0x1u)) & taps);
728 		u32 lfsr = nr + loop + val;
734 			lfsr = lfsr_32(lfsr);
736 			start = lfsr % words;