timecounter_read identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Documented in 1 files:

include/linux/timecounter.h, line 106

Defined in 1 files as a prototype:

include/linux/timecounter.h, line 116 (as a prototype)

Defined in 1 files as a function:

kernel/time/timecounter.c, line 52 (as a function)

Referenced in 24 files:

Smatch caller information:

drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c bnx2x_ptp_gettime() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&priv->est_lock
HALF_LOCKED2		&priv->lock
HALF_LOCKED2		flags

drivers/net/can/spi/mcp251xfd/mcp251xfd-ring.c mcp251xfd_ring_init_rx() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
PARAM_VALUE	0	tc->cc	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	tc->cycle_last	0-u64max

drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.c mlxsw_sp1_ptp_adjfine() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&clock->lock
LOCK2		bh
TYPE_LOCK		(struct mlxsw_sp1_ptp_clock)->lock

drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.c mlxsw_sp1_ptp_adjtime() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
PREEMPT_ADD			<- disables preempt
LOCK2		&clock->lock
LOCK2		bh
TYPE_LOCK		(struct mlxsw_sp1_ptp_clock)->lock

drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.c mlxsw_sp1_ptp_clock_overflow() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
PREEMPT_ADD			<- disables preempt
NOCHECK_CALL
LOCK2		&clock->lock
LOCK2		bh
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct mlxsw_sp1_ptp_clock)->lock

drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.c mlxsw_sp1_ptp_settime() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
PARAM_VALUE	0	tc->cc	4096-ptr_max
PARAM_VALUE	0	tc->frac	0
PREEMPT_ADD			<- disables preempt
HOST_DATA	0	tc->cycle_last	0-u64max
USER_DATA	0	tc->nsec	0-8277292035999999999[c]
LOCK2		&clock->lock
LOCK2		bh
TYPE_LOCK		(struct mlxsw_sp1_ptp_clock)->lock

drivers/net/dsa/mv88e6xxx/ptp.c mv88e6xxx_ptp_adjfine() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&chip->reg_lock
TYPE_LOCK		(struct mv88e6xxx_chip)->reg_lock

drivers/net/dsa/mv88e6xxx/ptp.c mv88e6xxx_ptp_gettime() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
LOCK2		&chip->reg_lock
HALF_LOCKED2		&priv->est_lock
HALF_LOCKED2		&priv->lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct mv88e6xxx_chip)->reg_lock

drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c mlx5_ptp_adjfine() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&clock->lock.lock
TYPE_LOCK		(struct seqlock)->lock

drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c mlx5_timestamp_overflow() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
PREEMPT_ADD			<- disables preempt
NOCHECK_CALL
LOCK2		&clock->lock.lock
TYPE_LOCK		(struct seqlock)->lock

drivers/net/ethernet/mellanox/mlx4/en_clock.c mlx4_en_phc_adjfine() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&mdev->clock_lock.lock
TYPE_LOCK		(struct seqlock)->lock

drivers/net/ethernet/mellanox/mlx4/en_clock.c mlx4_en_phc_gettime() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		&mdev->clock_lock.lock
HALF_LOCKED2		&priv->est_lock
HALF_LOCKED2		&priv->lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct seqlock)->lock

drivers/net/ethernet/mellanox/mlx4/en_clock.c mlx4_en_ptp_overflow_check() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
PREEMPT_ADD			<- disables preempt
NOCHECK_CALL
LOCK2		&mdev->clock_lock.lock
LOCK2		&mdev->state_lock
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct mlx4_en_dev)->state_lock
TYPE_LOCK		(struct seqlock)->lock

drivers/net/can/rockchip/rockchip_canfd-timestamp.c rkcanfd_timestamp_work() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
NOCHECK_CALL
HALF_LOCKED2		&pool->lock

drivers/net/ethernet/intel/igb/igb_ptp.c igb_ptp_overflow_check() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
HALF_LOCKED2		&pool->lock

drivers/ptp/ptp_vclock.c ptp_vclock_adjfine() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	3847897229709136128
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&vclock->lock
TYPE_LOCK		(struct ptp_vclock)->lock

drivers/ptp/ptp_vclock.c ptp_vclock_gettime() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
LOCK2		&vclock->lock
HALF_LOCKED2		&priv->est_lock
HALF_LOCKED2		&priv->lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct ptp_vclock)->lock

drivers/net/ethernet/ti/cpts.c cpts_fifo_read() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
PARAM_VALUE	0	tc->cc	4096-ptr_max
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	tc->cycle_last	0-u64max
LOCK2		&cpts->lock
LOCK2		flags
HALF_LOCKED2		&cpts->ptp_clk_mutex
TYPE_LOCK		(struct cpts)->lock

drivers/net/ethernet/ti/cpts.c cpts_overflow_check() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
HOST_DATA	0	tc->cycle_last	0-u64max
LOCK2		&cpts->ptp_clk_mutex
TYPE_LOCK		(struct cpts)->ptp_clk_mutex

drivers/net/ethernet/ti/cpts.c cpts_ptp_gettimeex() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	tc->cycle_last	0-u64max
LOCK2		&cpts->ptp_clk_mutex
TYPE_LOCK		(struct cpts)->ptp_clk_mutex

drivers/net/ethernet/pensando/ionic/ionic_phc.c ionic_phc_adjfine() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&phc->lock
LOCK2		irqflags
TYPE_LOCK		(struct ionic_phc)->lock

drivers/net/ethernet/pensando/ionic/ionic_phc.c ionic_phc_aux_work() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
PREEMPT_ADD			<- disables preempt
NOCHECK_CALL
LOCK2		&phc->lock
LOCK2		irqflags
TYPE_LOCK		(struct ionic_phc)->lock

drivers/net/ethernet/freescale/fec_ptp.c fec_ptp_adjfine() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&fep->tmreg_lock
LOCK2		flags
TYPE_LOCK		(struct fec_enet_private)->tmreg_lock

drivers/net/ethernet/freescale/fec_ptp.c fec_ptp_enable() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		&fep->ptp_clk_mutex
LOCK2		&fep->tmreg_lock
LOCK2		flags
HALF_LOCKED2		&of->mutex
TYPE_LOCK		(struct fec_enet_private)->ptp_clk_mutex
TYPE_LOCK		(struct fec_enet_private)->tmreg_lock

drivers/net/ethernet/freescale/fec_ptp.c fec_ptp_enable_pps() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	tc->cycle_last	0-u64max
HOST_DATA	0	tc->nsec	0-u64max
LOCK2		&fep->tmreg_lock
LOCK2		flags
TYPE_LOCK		(struct fec_enet_private)->tmreg_lock

drivers/net/ethernet/freescale/fec_ptp.c fec_ptp_gettime() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		&fep->ptp_clk_mutex
LOCK2		&fep->tmreg_lock
LOCK2		flags
HALF_LOCKED2		&priv->est_lock
HALF_LOCKED2		&priv->lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct fec_enet_private)->ptp_clk_mutex
TYPE_LOCK		(struct fec_enet_private)->tmreg_lock

drivers/net/ethernet/freescale/fec_ptp.c fec_ptp_pps_perout() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	tc->cycle_last	0-u64max
LOCK2		&fep->tmreg_lock
LOCK2		flags
TYPE_LOCK		(struct fec_enet_private)->tmreg_lock

drivers/net/ethernet/freescale/fec_ptp.c fec_ptp_save_state() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		&fep->tmreg_lock
LOCK2		flags
HALF_LOCKED2		&ndev->tx_global_lock
HALF_LOCKED2		&phydev->lock
HALF_LOCKED2		bh
HALF_LOCKED2		global &rtnl_mutex
TYPE_LOCK		(struct fec_enet_private)->tmreg_lock

drivers/net/ethernet/freescale/fec_ptp.c fec_time_keep() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
PREEMPT_ADD			<- disables preempt
NOCHECK_CALL
LOCK2		&fep->ptp_clk_mutex
LOCK2		&fep->tmreg_lock
LOCK2		flags
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct fec_enet_private)->ptp_clk_mutex
TYPE_LOCK		(struct fec_enet_private)->tmreg_lock

drivers/net/can/spi/mcp251xfd/mcp251xfd-timestamp.c mcp251xfd_timestamp_work() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
NOCHECK_CALL
HALF_LOCKED2		&pool->lock

drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c ixgbe_ptp_overflow_check() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
PREEMPT_ADD			<- disables preempt
NOCHECK_CALL
LOCK2		&adapter->tmreg_lock
LOCK2		flags
TYPE_LOCK		(struct ixgbe_adapter)->tmreg_lock

drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c ixgbe_ptp_setup_sdp_X540() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	tc->cycle_last	0-u64max
HOST_DATA	0	tc->nsec	0-u64max
USER_DATA	0	tc->nsec	0-8277292035999999999[c]
LOCK2		&adapter->tmreg_lock
LOCK2		flags
TYPE_LOCK		(struct ixgbe_adapter)->tmreg_lock

drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c ixgbe_ptp_setup_sdp_X550() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	tc->cycle_last	0-u64max
HOST_DATA	0	tc->nsec	0-u64max
USER_DATA	0	tc->nsec	0-8277292035999999999[c]
LOCK2		&adapter->tmreg_lock
LOCK2		flags
TYPE_LOCK		(struct ixgbe_adapter)->tmreg_lock

drivers/net/ethernet/wangxun/libwx/wx_ptp.c wx_ptp_overflow_check() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
PREEMPT_ADD			<- disables preempt
NOCHECK_CALL
LOCK2		&wx->hw_tc_lock.lock
TYPE_LOCK		(struct seqlock)->lock

drivers/net/ethernet/wangxun/libwx/wx_ptp.c wx_ptp_trigger_calc() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	tc->cycle_last	0-u64max
HOST_DATA	0	tc->nsec	0-u64max
USER_DATA	0	tc->nsec	0-8277292035999999999[c]
LOCK2		&wx->hw_tc_lock.lock
TYPE_LOCK		(struct seqlock)->lock

drivers/net/ethernet/marvell/octeontx2/nic/otx2_ptp.c otx2_ptp_tc_gettime() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
LOCK2		&ptp->nic->mbox.lock
HALF_LOCKED2		&priv->est_lock
HALF_LOCKED2		&priv->lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct mbox)->lock

drivers/net/ethernet/cavium/common/cavium_ptp.c cavium_ptp_gettime() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
PREEMPT_ADD			<- disables preempt
LOCK2		&clock->spin_lock
LOCK2		flags
TYPE_LOCK		(struct cavium_ptp)->spin_lock

drivers/net/ethernet/qlogic/qede/qede_ptp.c qede_ptp_gettime() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		&ptp->lock
LOCK2		bh
HALF_LOCKED2		&priv->est_lock
HALF_LOCKED2		&priv->lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct qede_ptp)->lock

drivers/net/can/usb/gs_usb.c gs_usb_timestamp_work() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
PREEMPT_ADD			<- disables preempt
NOCHECK_CALL
LOCK2		&parent->tc_lock
LOCK2		bh
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct gs_usb)->tc_lock

drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c bnxt_ptp_adjfine() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&ptp->ptp_lock.lock
TYPE_LOCK		(struct seqlock)->lock

drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c bnxt_ptp_ts_aux_work() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
PREEMPT_ADD			<- disables preempt
NOCHECK_CALL
LOCK2		&ptp->ptp_lock.lock
TYPE_LOCK		(struct seqlock)->lock

drivers/ptp/ptp_mock.c mock_phc_adjfine() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
PREEMPT_ADD			<- disables preempt
NOCHECK_CALL
LOCK2		&phc->lock
TYPE_LOCK		(struct mock_phc)->lock

drivers/ptp/ptp_mock.c mock_phc_gettime64() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
PREEMPT_ADD			<- disables preempt
LOCK2		&phc->lock
TYPE_LOCK		(struct mock_phc)->lock

drivers/net/ethernet/intel/e1000e/ptp.c e1000e_systim_overflow_work() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
HALF_LOCKED2		&pool->lock

sound/hda/common/controller.c azx_get_time_info() -> timecounter_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	tc	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&substream->runtime->buffer_mutex
HALF_LOCKED2		&substream->self_group.lock
HALF_LOCKED2		&substream->self_group.mutex