MSR_DURATION      504 drivers/soc/amlogic/meson-clk-measure.c 	regmap_update_bits(priv->regmap, MSR_CLK_REG0, MSR_DURATION,
MSR_DURATION      505 drivers/soc/amlogic/meson-clk-measure.c 			   FIELD_PREP(MSR_DURATION, duration - 1));