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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/drivers/net/ethernet/intel/e1000e/
H A De1000.h373 * new_incval = base_incval + (base_incval * adjustment) / 1billion
376 * max_incval = base_incval + (base_incval * max_adj) / billion
379 * max_adj = floor(((max_incval - base_incval) * 1billion) / 1billion)
/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.h217 * is expressed in ppb (parts per billion). The parent accuracy is
380 * @fixed_accuracy: constant accuracy of clock in ppb (parts per billion)
H A Dclk.h124 * clk_get_accuracy - obtain the clock accuracy 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/rtc/
H A Dinterface.c1098 * rtc_read_offset - Read the amount of rtc offset in parts per billion
1100 * @offset: the offset in parts per billion
1129 * @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/qlogic/qed/
H A Dqed_ptp.c247 /* Adjust the HW clock by a rate given in parts-per-billion (ppb) units.
/linux/fs/xfs/scrub/
H A Ddirtree.c168 * If this path is more than 2 billion steps long, this directory tree in xchk_dirpath_append()
229 * If there are more than 2 billion actual parent pointers for this in xchk_dirtree_create_path()
H A Dinode_repair.c1764 /* Nanosecond counters can't have more than 1 billion. */
/linux/tools/testing/selftests/kvm/x86/
H A Dxapic_ipi_test.c173 * billion ticks per second. in sender_guest_code()
/linux/kernel/rcu/
H A Dtree_exp.h1083 * more than 2 billion grace periods (and way more on a 64-bit system!),
1110 * more than 2 billion grace periods (and way more on a 64-bit system!),
H A Dtree.c3584 * more than a billion grace periods (and way more on a 64-bit system!).
3644 * for more than a billion grace periods (and way more on a 64-bit
3685 * more than 2 billion grace periods (and way more on a 64-bit system!),
3712 * 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/intel/ixgbe/
H A Dixgbe_ptp.c125 * measured in parts per billion. Calculating this value is also simple.
/linux/drivers/tty/hvc/
H A Dhvcs.c142 * nodes as a sanity check. Theoretically there can be over 1 Billion
/linux/drivers/clk/
H A Dclk-eyeq.c265 * is half the spread value expressed in parts per billion. in eqc_pll_parse_fracg()
/linux/drivers/net/ethernet/intel/ice/
H A Dice_ptp_hw.c3382 * c) 1 second per 1 billion nanoseconds
3390 * second | 1 billion ns | cycle | 66 UIs
3395 * (freq * incval * 6600 LINE_UI ) / ( 100 * 1 billion)

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