serdev_device_write_buf identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Documented in 1 files:

drivers/tty/serdev/core.c, line 213

Defined in 1 files as a prototype:

include/linux/serdev.h, line 199 (as a prototype)

Defined in 2 files as a function:

Referenced in 13 files:

Smatch caller information:

drivers/bluetooth/hci_qca.c qca_send_power_pulse() -> serdev_device_write_buf()

Type	Parameter	Key	Value
PARAM_VALUE	0	serdev->ctrl	0,4096-ptr_max
PARAM_VALUE	0	serdev->ctrl->dev.power.wakeirq->status	0-4294967295
PARAM_VALUE	0	serdev->ctrl->ops->close	4096-ptr_max
PARAM_VALUE	0	serdev->ctrl->ops->open	4096-ptr_max
PARAM_VALUE	0	serdev->ops->receive_buf	4096-ptr_max
PARAM_VALUE	1	buf	311758818010480640
PARAM_VALUE	1	*buf	192,252
PARAM_VALUE	2	count	1
RX_PATH
TASK_NOT_RUNNING
UNITS	2	count	unit_byte
HALF_LOCKED2		&hdev->req_lock

drivers/bluetooth/hci_qca.c qca_serdev_shutdown() -> serdev_device_write_buf()

Type	Parameter	Key	Value
PARAM_VALUE	0	serdev	4096-ptr_max
PARAM_VALUE	0	serdev->ctrl	0,4096-ptr_max
PARAM_VALUE	1	buf	4096-ptr_max
PARAM_VALUE	2	count	1
DATA_SOURCE	0	serdev	$0
RX_PATH
TASK_NOT_RUNNING
UNITS	2	count	unit_byte
LOCK2		&dev->mutex
HALF_LOCKED2		&parent->mutex
HALF_LOCKED2		global &system_transition_mutex
TYPE_LOCK		(struct device)->mutex

drivers/bluetooth/hci_qca.c qca_serdev_shutdown() -> serdev_device_write_buf()

Type	Parameter	Key	Value
PARAM_VALUE	0	serdev	4096-ptr_max
PARAM_VALUE	0	serdev->ctrl	4096-ptr_max
PARAM_VALUE	1	buf	4096-ptr_max
PARAM_VALUE	2	count	5
BUF_SIZE	1	buf	5
DATA_SOURCE	0	serdev	$0
RX_PATH
TASK_NOT_RUNNING
UNITS	2	count	unit_byte
LOCK2		&dev->mutex
HALF_LOCKED2		&parent->mutex
HALF_LOCKED2		global &system_transition_mutex
TYPE_LOCK		(struct device)->mutex

drivers/bluetooth/hci_qca.c qca_suspend() -> serdev_device_write_buf()

Type	Parameter	Key	Value
PARAM_VALUE	0	serdev	4096-ptr_max
PARAM_VALUE	0	serdev->ctrl	0,4096-ptr_max
PARAM_VALUE	1	buf	142567237267316736
PARAM_VALUE	1	*buf	254
PARAM_VALUE	2	count	1
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
UNITS	2	count	unit_byte
LOCK2		&qca->hci_ibs_lock
LOCK2		flags
TYPE_LOCK		(struct qca_data)->hci_ibs_lock

drivers/platform/chrome/cros_ec_uart.c cros_ec_uart_pkt_xfer() -> serdev_device_write_buf()

Type	Parameter	Key	Value
BUF_SIZE	1	buf	s32min-(-2),1-s32max
CAPPED_DATA	2	count	1
DATA_SOURCE	2	count	r cros_ec_prepare_tx
BIT_INFO	2	count	0x0,0x7fffffff
NOSPEC	2	count
RX_PATH
TASK_NOT_RUNNING
USER_DATA	1	buf->checksum	0-255
USER_DATA	2	count	5-65543[c]
HALF_LOCKED2		&ec_dev->lock

drivers/net/ethernet/qualcomm/qca_uart.c qcauart_netdev_xmit() -> serdev_device_write_buf()

Type	Parameter	Key	Value
PARAM_VALUE	1	buf	0,4096-ptr_max
BUF_SIZE	1	buf	1528
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		&qca->lock
HALF_LOCKED2		&dev->tx_global_lock
HALF_LOCKED2		&txq->_xmit_lock
HALF_LOCKED2		bh
HALF_LOCKED2		flags
HALF_LOCKED2		rcu_read
TYPE_LOCK		(struct qcauart)->lock

drivers/net/ethernet/qualcomm/qca_uart.c qcauart_transmit() -> serdev_device_write_buf()

Type	Parameter	Key	Value
PARAM_VALUE	2	count	1-s32max
PREEMPT_ADD			<- disables preempt
LOCK2		&qca->lock
LOCK2		bh
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct qcauart)->lock

drivers/greybus/gb-beagleplay.c cc1352_bootloader_crc32() -> serdev_device_write_buf()

Type	Parameter	Key	Value
PARAM_VALUE	0	serdev->ctrl->ops->close	4096-ptr_max
PARAM_VALUE	0	serdev->ctrl->ops->open	4096-ptr_max
PARAM_VALUE	1	buf	1011482202414194688
PARAM_VALUE	2	count	3
BUF_SIZE	1	buf	3
NOCHECK_CALL
UNITS	2	count	unit_byte
HALF_LOCKED2		&pool->lock

drivers/greybus/gb-beagleplay.c cc1352_bootloader_crc32() -> serdev_device_write_buf()

Type	Parameter	Key	Value
PARAM_VALUE	0	serdev	4096-ptr_max
PARAM_VALUE	0	serdev->ctrl	0,4096-ptr_max
PARAM_VALUE	0	serdev->ctrl->ops->close	4096-ptr_max
PARAM_VALUE	0	serdev->ctrl->ops->open	4096-ptr_max
PARAM_VALUE	1	buf	7667218092239679488
PARAM_VALUE	2	count	12
BUF_SIZE	1	buf	12
NOCHECK_CALL
UNITS	2	count	unit_byte
HALF_LOCKED2		&pool->lock

drivers/greybus/gb-beagleplay.c cc1352_bootloader_download() -> serdev_device_write_buf()

Type	Parameter	Key	Value
PARAM_VALUE	1	buf	3537129250624778240
PARAM_VALUE	2	count	3
BUF_SIZE	1	buf	3
NOCHECK_CALL
UNITS	2	count	unit_byte
HALF_LOCKED2		&pool->lock

drivers/greybus/gb-beagleplay.c cc1352_bootloader_download() -> serdev_device_write_buf()

Type	Parameter	Key	Value
PARAM_VALUE	0	serdev	4096-ptr_max
PARAM_VALUE	0	serdev->ctrl	0,4096-ptr_max
PARAM_VALUE	1	buf	1234738368128294912
PARAM_VALUE	2	count	8
BUF_SIZE	1	buf	8
NOCHECK_CALL
UNITS	2	count	unit_byte
HALF_LOCKED2		&pool->lock

drivers/greybus/gb-beagleplay.c cc1352_bootloader_erase() -> serdev_device_write_buf()

Type	Parameter	Key	Value
PARAM_VALUE	0	serdev	4096-ptr_max
PARAM_VALUE	0	serdev->ctrl	0,4096-ptr_max
PARAM_VALUE	0	serdev->ctrl->ops->close	4096-ptr_max
PARAM_VALUE	0	serdev->ctrl->ops->open	4096-ptr_max
PARAM_VALUE	0	serdev->dev.bus	0,4096-ptr_max
PARAM_VALUE	0	serdev->dev.class	0,4096-ptr_max
PARAM_VALUE	0	serdev->dev.driver	0,4096-ptr_max
PARAM_VALUE	1	buf	2239012398523944960
PARAM_VALUE	2	count	3
BUF_SIZE	1	buf	3
NOCHECK_CALL
UNITS	2	count	unit_byte
HALF_LOCKED2		&pool->lock

drivers/greybus/gb-beagleplay.c cc1352_bootloader_get_status() -> serdev_device_write_buf()

Type	Parameter	Key	Value
PARAM_VALUE	0	serdev	4096-ptr_max
PARAM_VALUE	0	serdev->ctrl	0,4096-ptr_max
PARAM_VALUE	0	serdev->ctrl->ops->close	4096-ptr_max
PARAM_VALUE	0	serdev->ctrl->ops->open	4096-ptr_max
PARAM_VALUE	1	buf	2216470546531635200
PARAM_VALUE	2	count	3
BUF_SIZE	1	buf	3
NOCHECK_CALL
UNITS	2	count	unit_byte
HALF_LOCKED2		&pool->lock

drivers/greybus/gb-beagleplay.c cc1352_bootloader_reset() -> serdev_device_write_buf()

Type	Parameter	Key	Value
PARAM_VALUE	0	serdev->ctrl->ops->close	4096-ptr_max
PARAM_VALUE	0	serdev->ctrl->ops->open	4096-ptr_max
PARAM_VALUE	1	buf	7054190654646321152
PARAM_VALUE	2	count	3
BUF_SIZE	1	buf	3
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	2	count	unit_byte

drivers/greybus/gb-beagleplay.c cc1352_bootloader_send_ack() -> serdev_device_write_buf()

Type	Parameter	Key	Value
PARAM_VALUE	1	buf	4096-ptr_max
PARAM_VALUE	2	count	2
BUF_SIZE	1	buf	2
NOCHECK_CALL
UNITS	2	count	unit_byte
LOCK2		&buf->lock
LOCK2		&pool->lock
TYPE_LOCK		(struct tty_bufhead)->lock

drivers/greybus/gb-beagleplay.c cc1352_bootloader_send_data() -> serdev_device_write_buf()

Type	Parameter	Key	Value
PARAM_VALUE	1	buf	2594476125953503232
PARAM_VALUE	2	count	3
BUF_SIZE	1	buf	3
NOCHECK_CALL
UNITS	2	count	unit_byte
HALF_LOCKED2		&pool->lock

drivers/greybus/gb-beagleplay.c cc1352_bootloader_send_data() -> serdev_device_write_buf()

Type	Parameter	Key	Value
PARAM_VALUE	0	serdev	4096-ptr_max
PARAM_VALUE	0	serdev->ctrl	0,4096-ptr_max
PARAM_VALUE	1	buf	4096-ptr_max
PARAM_VALUE	2	count	1-252
CAPPED_DATA	2	count	1
DATA_SOURCE	1	buf	$1
NOCHECK_CALL
UNITS	2	count	unit_byte
HALF_LOCKED2		&pool->lock

drivers/greybus/gb-beagleplay.c cc1352_bootloader_send_nack() -> serdev_device_write_buf()

Type	Parameter	Key	Value
PARAM_VALUE	0	serdev->dev.bus	0,4096-ptr_max
PARAM_VALUE	0	serdev->dev.class	0,4096-ptr_max
PARAM_VALUE	0	serdev->dev.driver	0,4096-ptr_max
PARAM_VALUE	1	buf	4096-ptr_max
PARAM_VALUE	2	count	2
BUF_SIZE	1	buf	2
NOCHECK_CALL
UNITS	2	count	unit_byte
LOCK2		&buf->lock
LOCK2		&pool->lock
TYPE_LOCK		(struct tty_bufhead)->lock

drivers/greybus/gb-beagleplay.c cc1352_bootloader_sync() -> serdev_device_write_buf()

Type	Parameter	Key	Value
PARAM_VALUE	0	serdev	4096-ptr_max
PARAM_VALUE	0	serdev->ctrl	0,4096-ptr_max
PARAM_VALUE	0	serdev->ctrl->ops->close	4096-ptr_max
PARAM_VALUE	0	serdev->ctrl->ops->open	4096-ptr_max
PARAM_VALUE	0	serdev->dev.bus	0,4096-ptr_max
PARAM_VALUE	0	serdev->dev.class	0,4096-ptr_max
PARAM_VALUE	0	serdev->dev.driver	0,4096-ptr_max
PARAM_VALUE	1	buf	4096-ptr_max
PARAM_VALUE	2	count	2
BUF_SIZE	1	buf	2
NOCHECK_CALL
UNITS	2	count	unit_byte
HALF_LOCKED2		&pool->lock

drivers/greybus/gb-beagleplay.c hdlc_write() -> serdev_device_write_buf()

Type	Parameter	Key	Value
PARAM_VALUE	1	buf	4096-ptr_max
PARAM_VALUE	2	count	1-1023
CAPPED_DATA	2	count	1
PREEMPT_ADD
UNITS	2	count	unit_byte
LOCK2		&bg->tx_consumer_lock
LOCK2		bh
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct gb_beagleplay)->tx_consumer_lock

drivers/bluetooth/btmtkuart.c btmtkuart_change_baudrate() -> serdev_device_write_buf()

Type	Parameter	Key	Value
PARAM_VALUE	0	serdev	4096-ptr_max
PARAM_VALUE	0	serdev->ctrl	0,4096-ptr_max
PARAM_VALUE	1	buf	142110301699309568
PARAM_VALUE	1	*buf	255
PARAM_VALUE	2	count	1
RX_PATH
TASK_NOT_RUNNING
UNITS	2	count	unit_byte
LOCK2		&hdev->req_lock
TYPE_LOCK		(struct hci_dev)->req_lock

drivers/bluetooth/btmtkuart.c btmtkuart_tx_work() -> serdev_device_write_buf()

Type	Parameter	Key	Value
BUF_SIZE	1	buf	1-s32max
UNITS	1	buf	unit_byte
UNITS	2	count	unit_byte
HALF_LOCKED2		&pool->lock

drivers/platform/surface/aggregator/ssh_packet_layer.c ssh_ptl_write_buf() -> serdev_device_write_buf()

Type	Parameter	Key	Value
PARAM_VALUE	1	buf	1-u64max
DATA_SOURCE	1	buf	$2
DATA_SOURCE	2	count	$3
UNITS	1	buf	unit_byte
UNITS	2	count	unit_byte

drivers/bluetooth/hci_serdev.c hci_uart_write_work() -> serdev_device_write_buf()

Type	Parameter	Key	Value
BUF_SIZE	1	buf	1-s32max
UNITS	1	buf	unit_byte
UNITS	2	count	unit_byte
HALF_LOCKED2		&pool->lock

drivers/platform/x86/lenovo/yoga-tab2-pro-1380-fastcharger.c yt2_1380_fc_worker() -> serdev_device_write_buf()

Type	Parameter	Key	Value
PARAM_VALUE	1	buf	4470703376024530944
PARAM_VALUE	2	count	2
BUF_SIZE	1	buf	3
STR_LEN	0	serdev	2
TERMINATED	1	buf	1
HALF_LOCKED2		&pool->lock

sound/drivers/serial-generic.c snd_serial_generic_tx_work() -> serdev_device_write_buf()

Type	Parameter	Key	Value
PARAM_VALUE	2	count	0-s32max,18446744071562067968-u64max
BUF_SIZE	1	buf	256
DATA_SOURCE	2	count	r snd_rawmidi_transmit_peek
HALF_LOCKED2		&pool->lock

drivers/bluetooth/btnxpuart.c btnxpuart_tx_work() -> serdev_device_write_buf()

Type	Parameter	Key	Value
BUF_SIZE	1	buf	1-s32max
UNITS	1	buf	unit_byte
UNITS	2	count	unit_byte
HALF_LOCKED2		&pool->lock

drivers/bluetooth/btnxpuart.c nxp_fw_change_baudrate() -> serdev_device_write_buf()

Type	Parameter	Key	Value
PARAM_VALUE	1	buf	1887120266642038784
PARAM_VALUE	2	count	16
BUF_SIZE	1	buf	16
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	2	count	unit_byte
HALF_LOCKED2		&pool->lock

drivers/bluetooth/btnxpuart.c nxp_fw_change_baudrate() -> serdev_device_write_buf()

Type	Parameter	Key	Value
PARAM_VALUE	1	buf	3538898341584646144
PARAM_VALUE	2	count	52
BUF_SIZE	1	buf	52
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	2	count	unit_byte
HALF_LOCKED2		&pool->lock

drivers/bluetooth/btnxpuart.c nxp_fw_change_timeout() -> serdev_device_write_buf()

Type	Parameter	Key	Value
PARAM_VALUE	1	buf	899133564863389696
PARAM_VALUE	2	count	16
BUF_SIZE	1	buf	16
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	2	count	unit_byte
HALF_LOCKED2		&pool->lock

drivers/bluetooth/btnxpuart.c nxp_handle_fw_download_error() -> serdev_device_write_buf()

Type	Parameter	Key	Value
PARAM_VALUE	2	count	2
BUF_SIZE	1	buf	2
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	2	count	unit_byte
HALF_LOCKED2		&pool->lock

drivers/bluetooth/btnxpuart.c nxp_handle_fw_download_error() -> serdev_device_write_buf()

Type	Parameter	Key	Value
PARAM_VALUE	2	count	6
BUF_SIZE	1	buf	6
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	2	count	unit_byte
HALF_LOCKED2		&pool->lock

drivers/bluetooth/btnxpuart.c nxp_recv_fw_req_v1() -> serdev_device_write_buf()

Type	Parameter	Key	Value
PARAM_VALUE	1	buf	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	1	buf	unit_byte
HALF_LOCKED2		&pool->lock

drivers/bluetooth/btnxpuart.c nxp_recv_fw_req_v3() -> serdev_device_write_buf()

Type	Parameter	Key	Value
PARAM_VALUE	1	buf	4096-ptr_max
PARAM_VALUE	2	count	1-u16max
CAPPED_DATA	2	count	1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	1	buf	unit_byte
UNITS	2	count	unit_byte
HALF_LOCKED2		&pool->lock

drivers/bluetooth/btnxpuart.c nxp_send_ack() -> serdev_device_write_buf()

Type	Parameter	Key	Value
PARAM_VALUE	1	buf	4096-ptr_max
PARAM_VALUE	2	count	1-2
BUF_SIZE	1	buf	2
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&pool->lock

drivers/w1/masters/w1-uart.c w1_uart_serdev_tx_rx() -> serdev_device_write_buf()

Type	Parameter	Key	Value
PARAM_VALUE	0	serdev	4096-ptr_max
PARAM_VALUE	0	serdev->ctrl	0,4096-ptr_max
PARAM_VALUE	1	buf	4096-ptr_max
PARAM_VALUE	2	count	1
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&dev->bus_mutex

drivers/platform/x86/dell/dell-uart-backlight.c dell_uart_bl_command() -> serdev_device_write_buf()

Type	Parameter	Key	Value
PARAM_VALUE	1	buf	4096-ptr_max
PARAM_VALUE	2	count	3-4
BUF_SIZE	1	buf	3-4
BUF_SIZE	1	buf	3-4
DATA_SOURCE	1	buf	$1
DATA_SOURCE	2	count	$2
RX_PATH
TASK_NOT_RUNNING
LOCK2		&dell_bl->mutex
TYPE_LOCK		(struct dell_uart_backlight)->mutex