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/linux/Documentation/ABI/testing/
H A Dsysfs-class-rtc75 adjustment. The unit is parts per billion, i.e. The number of
77 clock per billion ticks. A positive value makes a day pass more
H A Dsysfs-ptp34 parts per billion.
/linux/Documentation/devicetree/bindings/clock/
H A Dfixed-clock.yaml32 description: accuracy of clock in ppb (parts per billion).
/linux/include/linux/
H A Dthreads.h32 * [NOTE: PID/TIDs are limited to 2^30 ~= 1 billion, see FUTEX_TID_MASK.]
H A Dclk-provider.h182 * is expressed in ppb (parts per billion). The parent accuracy is
345 * @fixed_accuracy: constant accuracy of clock in ppb (parts per billion)
/linux/drivers/net/ethernet/chelsio/cxgb4/
H A Dcxgb4_ptp.h38 /* Maximum parts-per-billion adjustment that is acceptable */
H A Dcxgb4_ptp.c199 * @scaled_ppm: Desired frequency in scaled parts per billion
/linux/drivers/isdn/hardware/mISDN/
H A Dhfcpci.c2139 {HFC_CCD_2BD0, 0, "CCD/Billion/Asuscom 2BD0"},
2140 {HFC_CCD_B000, 0, "Billion B000"},
2141 {HFC_CCD_B006, 0, "Billion B006"},
2142 {HFC_CCD_B007, 0, "Billion B007"},
2143 {HFC_CCD_B008, 0, "Billion B008"},
2144 {HFC_CCD_B009, 0, "Billion B009"},
2145 {HFC_CCD_B00A, 0, "Billion B00A"},
2146 {HFC_CCD_B00B, 0, "Billion B00B"},
2147 {HFC_CCD_B00C, 0, "Billion B00C"},
H A Dhfcsusb.h358 "Billion tiny USB ISDN TA 128"}),
/linux/Documentation/devicetree/bindings/ptp/
H A Dfsl,ptp.yaml84 Maximum frequency adjustment in parts per billion.
/linux/drivers/rtc/
H A Dinterface.c1031 * rtc_read_offset - Read the amount of rtc offset in parts per billion
1033 * @offset: the offset in parts per billion
1062 * @offset: the offset in parts per billion
H A Drtc-pcf2123.c97 #define OFFSET_STEP (2170) /* Offset step in parts per billion */
/linux/drivers/net/ethernet/pensando/ionic/
H A Dionic_phc.c630 * Here expressed as NORMAL_PPB (1 billion parts per billion). in ionic_lif_alloc_phc()
/linux/drivers/clk/
H A Dclk-eyeq.c201 * that. To get accuracy, convert to ppb (parts per billion). in eqc_pll_parse_registers()
204 * with acc in parts per billion and, in eqc_pll_parse_registers()
/linux/drivers/net/ethernet/ti/icssg/
H A Dicss_iep.c293 /* ppb is amount of frequency we want to adjust in 1GHz (billion) in icss_iep_ptp_adjfine()
295 * i.e. at end of 1 second (1 billion ns) clock time, we should be in icss_iep_ptp_adjfine()
/linux/drivers/net/ethernet/qlogic/qed/
H A Dqed_ptp.c247 /* Adjust the HW clock by a rate given in parts-per-billion (ppb) units.
/linux/kernel/rcu/
H A Dtree_exp.h1115 * more than 2 billion grace periods (and way more on a 64-bit system!),
1142 * more than 2 billion grace periods (and way more on a 64-bit system!),
H A Dtree.c3496 * more than a billion grace periods (and way more on a 64-bit system!).
3538 * for more than a billion grace periods (and way more on a 64-bit
3584 * more than 2 billion grace periods (and way more on a 64-bit system!),
3611 * more than 2 billion grace periods (and way more on a 64-bit system!),
/linux/drivers/net/ethernet/sfc/siena/
H A Dptp.c146 /* Maximum parts-per-billion adjustment that is acceptable */
262 * @adjfreq_ppb_shift: Shift required to convert scaled parts-per-billion
716 * adjustments in parts-per-billion and the fixed-point in efx_ptp_get_attributes()
/linux/drivers/net/ethernet/sfc/
H A Dptp.c145 /* Maximum parts-per-billion adjustment that is acceptable */
271 * @adjfreq_ppb_shift: Shift required to convert scaled parts-per-billion
703 * adjustments in parts-per-billion and the fixed-point in efx_ptp_get_attributes()
/linux/drivers/clk/bcm/
H A Dclk-kona.h18 #define BILLION 1000000000 macro
/linux/net/rxrpc/
H A Dconn_client.c541 * exceeds ~2 billion, we kill the connection after its in rxrpc_expose_client_call()
/linux/drivers/net/ethernet/aquantia/atlantic/
H A Daq_ptp.c273 * @ppb: parts per billion adjustment from base
/linux/drivers/tty/hvc/
H A Dhvcs.c142 * nodes as a sanity check. Theoretically there can be over 1 Billion
/linux/drivers/net/ethernet/intel/ixgbe/
H A Dixgbe_ptp.c125 * measured in parts per billion. Calculating this value is also simple.

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