reference_period_ps 645 drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c unsigned int period_ps, reference_period_ps; reference_period_ps 689 drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c reference_period_ps = period_ps / 2; reference_period_ps 692 drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c reference_period_ps = period_ps; reference_period_ps 698 drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c sample_delay_factor = sample_delay_ps / reference_period_ps;