pxa2xx_spi_write identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

drivers/spi/spi-pxa2xx.h, line 84 (as a function)

Referenced in 3 files:

Smatch caller information:

drivers/spi/spi-pxa2xx-dma.c clear_SSCR1_bits() -> pxa2xx_spi_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	drv_data	4096-ptr_max
PARAM_VALUE	0	drv_data->ssp	4096-ptr_max
PARAM_VALUE	1	reg	4
BUF_SIZE	0	drv_data	s32min-(-1),1-s32max
BUF_SIZE	0	drv_data	s32min-(-1),1-s32max
CAPPED_DATA	2	val	1
DATA_SOURCE	0	drv_data	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	2	val	0-u32max
UNITS	0	drv_data	unit_byte

drivers/spi/spi-pxa2xx-dma.c pxa2xx_spi_dma_transfer_complete() -> pxa2xx_spi_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	drv_data	4096-ptr_max
PARAM_VALUE	0	drv_data->ssp	4096-ptr_max
PARAM_VALUE	1	reg	40
PARAM_VALUE	2	val	0
BUF_SIZE	0	drv_data	s32min-(-1),1-s32max
BUF_SIZE	0	drv_data	s32min-(-1),1-s32max
DATA_SOURCE	0	drv_data	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	0	drv_data	unit_byte

drivers/spi/spi-pxa2xx-dma.c write_SSSR_CS() -> pxa2xx_spi_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	drv_data	4096-ptr_max
PARAM_VALUE	0	drv_data->ssp	4096-ptr_max
PARAM_VALUE	1	reg	8
BUF_SIZE	0	drv_data	s32min-(-1),1-s32max
BUF_SIZE	0	drv_data	s32min-(-1),1-s32max
DATA_SOURCE	0	drv_data	$0
DATA_SOURCE	2	val	$1 [m]
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	2	val	0-u32max[c]
UNITS	0	drv_data	unit_byte

drivers/spi/spi-pxa2xx.c cs_assert() -> pxa2xx_spi_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	drv_data	4096-ptr_max
PARAM_VALUE	1	reg	8
PARAM_VALUE	2	val	0-255
BUF_SIZE	0	drv_data	s32min-(-2),1-s32max
BUF_SIZE	0	drv_data	s32min-(-2),1-s32max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	0	drv_data	unit_byte
HALF_LOCKED2		&ctlr->io_mutex
HALF_LOCKED2		&spi->controller->bus_lock_mutex
HALF_LOCKED2		&spi->controller->io_mutex
TYPE_LOCK		(struct spi_controller)->io_mutex

drivers/spi/spi-pxa2xx.c int_stop_and_reset() -> pxa2xx_spi_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	drv_data	4096-ptr_max
PARAM_VALUE	0	drv_data->ssp	4096-ptr_max
PARAM_VALUE	1	reg	40
PARAM_VALUE	2	val	0
BUF_SIZE	0	drv_data	s32min-(-1),1-s32max
BUF_SIZE	0	drv_data	s32min-(-1),1-s32max
DATA_SOURCE	0	drv_data	$0
STR_LEN	0	drv_data	(-1),16,32-33
STR_LEN	0	drv_data	(-1),16,32-33
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	0	drv_data	unit_byte
HALF_LOCKED2		&controller->io_mutex

drivers/spi/spi-pxa2xx.c interrupt_transfer() -> pxa2xx_spi_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	drv_data	4096-ptr_max
PARAM_VALUE	0	drv_data->ssp	4096-ptr_max
PARAM_VALUE	1	reg	8
PARAM_VALUE	2	val	524288
DATA_SOURCE	0	drv_data	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
HALF_LOCKED2		irq

drivers/spi/spi-pxa2xx.c interrupt_transfer() -> pxa2xx_spi_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	drv_data	4096-ptr_max
PARAM_VALUE	0	drv_data->ssp	4096-ptr_max
PARAM_VALUE	1	reg	4
CAPPED_DATA	0	drv_data->tx	1
CAPPED_DATA	0	drv_data->tx_end	1
DATA_SOURCE	0	drv_data	$0
PARAM_COMPARE	0	drv_data->tx	== $0->tx_end
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	2	val	0-u32max[c]
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
HALF_LOCKED2		irq

drivers/spi/spi-pxa2xx.c null_writer() -> pxa2xx_spi_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	drv_data	4096-ptr_max
PARAM_VALUE	0	drv_data->ssp	4096-ptr_max
PARAM_VALUE	1	reg	16
PARAM_VALUE	2	val	0
BUF_SIZE	0	drv_data	s32min-(-1),1-s32max
BUF_SIZE	0	drv_data	s32min-(-1),1-s32max
BUF_SIZE	0	drv_data->rx	s32min-(-1),1-s32max
BUF_SIZE	0	drv_data->tx	s32min-(-1),1-s32max
DATA_SOURCE	0	drv_data	$0
PARAM_COMPARE	0	drv_data->tx	!= $0->tx_end
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&controller->io_mutex

drivers/spi/spi-pxa2xx.c pxa2xx_spi_probe() -> pxa2xx_spi_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	drv_data	4096-ptr_max
PARAM_VALUE	0	drv_data->ssp	4096-ptr_max
PARAM_VALUE	1	reg	4
PARAM_VALUE	2	val	960
BUF_SIZE	0	drv_data	s32min-(-2),1-s32max
BUF_SIZE	0	drv_data	s32min-(-2),1-s32max
BUF_SIZE	0	drv_data->controller	2888-5752
BUF_SIZE	0	drv_data->controller_info	1-s32max
BUF_SIZE	0	drv_data->ssp	(-1),80
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA	0	drv_data->controller_info->ssp.port_id	s32min-s32max
USER_DATA	0	drv_data->ssp->port_id	s32min-s32max
UNITS	0	drv_data	unit_byte

drivers/spi/spi-pxa2xx.c pxa2xx_spi_probe() -> pxa2xx_spi_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	drv_data	4096-ptr_max
PARAM_VALUE	0	drv_data->ssp	4096-ptr_max
PARAM_VALUE	1	reg	0
PARAM_VALUE	2	val	7
BUF_SIZE	0	drv_data	s32min-(-2),1-s32max
BUF_SIZE	0	drv_data	s32min-(-2),1-s32max
BUF_SIZE	0	drv_data->controller	2888-5752
BUF_SIZE	0	drv_data->controller_info	1-s32max
BUF_SIZE	0	drv_data->ssp	(-1),80
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA	0	drv_data->controller_info->ssp.port_id	s32min-s32max
USER_DATA	0	drv_data->ssp->port_id	s32min-s32max
UNITS	0	drv_data	unit_byte

drivers/spi/spi-pxa2xx.c pxa2xx_spi_probe() -> pxa2xx_spi_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	drv_data	4096-ptr_max
PARAM_VALUE	0	drv_data->ssp	4096-ptr_max
PARAM_VALUE	1	reg	4
PARAM_VALUE	2	val	1088
BUF_SIZE	0	drv_data	s32min-(-2),1-s32max
BUF_SIZE	0	drv_data	s32min-(-2),1-s32max
BUF_SIZE	0	drv_data->controller	2888-5752
BUF_SIZE	0	drv_data->controller_info	1-s32max
BUF_SIZE	0	drv_data->ssp	(-1),80
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA	0	drv_data->controller_info->ssp.port_id	s32min-s32max
USER_DATA	0	drv_data->ssp->port_id	s32min-s32max
UNITS	0	drv_data	unit_byte

drivers/spi/spi-pxa2xx.c pxa2xx_spi_probe() -> pxa2xx_spi_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	drv_data	4096-ptr_max
PARAM_VALUE	0	drv_data->ssp	4096-ptr_max
PARAM_VALUE	1	reg	0
PARAM_VALUE	2	val	519
BUF_SIZE	0	drv_data	s32min-(-2),1-s32max
BUF_SIZE	0	drv_data	s32min-(-2),1-s32max
BUF_SIZE	0	drv_data->controller	2888-5752
BUF_SIZE	0	drv_data->controller_info	1-s32max
BUF_SIZE	0	drv_data->ssp	(-1),80
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA	0	drv_data->controller_info->ssp.port_id	s32min-s32max
USER_DATA	0	drv_data->ssp->port_id	s32min-s32max
UNITS	0	drv_data	unit_byte

drivers/spi/spi-pxa2xx.c pxa2xx_spi_probe() -> pxa2xx_spi_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	drv_data	4096-ptr_max
PARAM_VALUE	0	drv_data->ssp	4096-ptr_max
PARAM_VALUE	1	reg	4
PARAM_VALUE	2	val	7616,318768144
BUF_SIZE	0	drv_data	s32min-(-2),1-s32max
BUF_SIZE	0	drv_data	s32min-(-2),1-s32max
BUF_SIZE	0	drv_data->controller	2888-5752
BUF_SIZE	0	drv_data->controller_info	1-s32max
BUF_SIZE	0	drv_data->ssp	(-1),80
FUZZY_MAX	2	val	318768144
BIT_INFO	0	drv_data->clear_sr	0x80,0xffffffffffffffff
BIT_INFO	0	drv_data->dma_cr1	0x0,0x700000
BIT_INFO	0	drv_data->int_cr1	0x3,0xffffffffffffffff
BIT_INFO	0	drv_data->mask_sr	0xe0,0xffffffffffffffff
BIT_INFO	2	val	0x400,0x13001dd0
HARD_MAX	2	val	318768144
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA	0	drv_data->controller_info->ssp.port_id	s32min-s32max
USER_DATA	0	drv_data->ssp->port_id	s32min-s32max
UNITS	0	drv_data	unit_byte

drivers/spi/spi-pxa2xx.c pxa2xx_spi_probe() -> pxa2xx_spi_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	drv_data	4096-ptr_max
PARAM_VALUE	0	drv_data->ssp	4096-ptr_max
PARAM_VALUE	1	reg	0
PARAM_VALUE	2	val	7,519
BUF_SIZE	0	drv_data	s32min-(-2),1-s32max
BUF_SIZE	0	drv_data	s32min-(-2),1-s32max
BUF_SIZE	0	drv_data->controller	2888-5752
BUF_SIZE	0	drv_data->controller_info	1-s32max
BUF_SIZE	0	drv_data->ssp	(-1),80
FUZZY_MAX	2	val	7
BIT_INFO	0	drv_data->clear_sr	0x80,0xffffffffffffffff
BIT_INFO	0	drv_data->dma_cr1	0x0,0x700000
BIT_INFO	0	drv_data->int_cr1	0x3,0xffffffffffffffff
BIT_INFO	0	drv_data->mask_sr	0xe0,0xffffffffffffffff
BIT_INFO	2	val	0x7,0x207
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA	0	drv_data->controller_info->ssp.port_id	s32min-s32max
USER_DATA	0	drv_data->ssp->port_id	s32min-s32max
UNITS	0	drv_data	unit_byte

drivers/spi/spi-pxa2xx.c pxa2xx_spi_probe() -> pxa2xx_spi_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	drv_data	4096-ptr_max
PARAM_VALUE	0	drv_data->ssp	4096-ptr_max
PARAM_VALUE	1	reg	40
PARAM_VALUE	2	val	0
BUF_SIZE	0	drv_data	s32min-(-2),1-s32max
BUF_SIZE	0	drv_data	s32min-(-2),1-s32max
BUF_SIZE	0	drv_data->controller	2888-5752
BUF_SIZE	0	drv_data->controller_info	1-s32max
BUF_SIZE	0	drv_data->ssp	(-1),80
BIT_INFO	0	drv_data->clear_sr	0x80,0xffffffffffffffff
BIT_INFO	0	drv_data->dma_cr1	0x0,0x700000
BIT_INFO	0	drv_data->int_cr1	0x3,0xffffffffffffffff
BIT_INFO	0	drv_data->mask_sr	0xe0,0xffffffffffffffff
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA	0	drv_data->controller_info->ssp.port_id	s32min-s32max
USER_DATA	0	drv_data->ssp->port_id	s32min-s32max
UNITS	0	drv_data	unit_byte

drivers/spi/spi-pxa2xx.c pxa2xx_spi_probe() -> pxa2xx_spi_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	drv_data	4096-ptr_max
PARAM_VALUE	0	drv_data->ssp	4096-ptr_max
PARAM_VALUE	1	reg	44
PARAM_VALUE	2	val	0
BUF_SIZE	0	drv_data	s32min-(-2),1-s32max
BUF_SIZE	0	drv_data	s32min-(-2),1-s32max
BUF_SIZE	0	drv_data->controller	2888-5752
BUF_SIZE	0	drv_data->controller_info	1-s32max
BUF_SIZE	0	drv_data->ssp	(-1),80
BIT_INFO	0	drv_data->clear_sr	0x80,0xffffffffffffffff
BIT_INFO	0	drv_data->dma_cr1	0x0,0x700000
BIT_INFO	0	drv_data->int_cr1	0x3,0xffffffffffffffff
BIT_INFO	0	drv_data->mask_sr	0xe0,0xffffffffffffffff
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA	0	drv_data->controller_info->ssp.port_id	s32min-s32max
USER_DATA	0	drv_data->ssp->port_id	s32min-s32max
UNITS	0	drv_data	unit_byte

drivers/spi/spi-pxa2xx.c pxa2xx_spi_transfer_one() -> pxa2xx_spi_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	drv_data	4096-ptr_max
PARAM_VALUE	0	drv_data->ssp	4096-ptr_max
PARAM_VALUE	1	reg	8
BUF_SIZE	0	drv_data	s32min-(-2),1-s32max
BUF_SIZE	0	drv_data	s32min-(-2),1-s32max
BUF_SIZE	0	drv_data->rx	s32min-(-2),1-s32max
BUF_SIZE	0	drv_data->tx	s32min-(-2),1-s32max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	0	drv_data	unit_byte
LOCK2		&controller->io_mutex
HALF_LOCKED2		&controller->dev.driver_data->op_lock
TYPE_LOCK		(struct spi_controller)->io_mutex

drivers/spi/spi-pxa2xx.c pxa2xx_spi_transfer_one() -> pxa2xx_spi_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	drv_data	4096-ptr_max
PARAM_VALUE	0	drv_data->ssp	4096-ptr_max
PARAM_VALUE	1	reg	40
PARAM_VALUE	2	val	1000
BUF_SIZE	0	drv_data	s32min-(-2),1-s32max
BUF_SIZE	0	drv_data	s32min-(-2),1-s32max
BUF_SIZE	0	drv_data->rx	s32min-(-2),1-s32max
BUF_SIZE	0	drv_data->tx	s32min-(-2),1-s32max
BIT_INFO	0	drv_data->transfer_handler	0x482b00014c900000,0xffffffffffffffff
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	0	drv_data	unit_byte
LOCK2		&controller->io_mutex
HALF_LOCKED2		&controller->dev.driver_data->op_lock
TYPE_LOCK		(struct spi_controller)->io_mutex

drivers/spi/spi-pxa2xx.c pxa2xx_spi_transfer_one() -> pxa2xx_spi_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	drv_data	4096-ptr_max
PARAM_VALUE	0	drv_data->ssp	4096-ptr_max
PARAM_VALUE	1	reg	4
BUF_SIZE	0	drv_data	s32min-(-2),1-s32max
BUF_SIZE	0	drv_data	s32min-(-2),1-s32max
BUF_SIZE	0	drv_data->rx	s32min-(-2),1-s32max
BUF_SIZE	0	drv_data->tx	s32min-(-1),1-s32max
BIT_INFO	0	drv_data->transfer_handler	0x482b00014c900000,0xffffffffffffffff
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	0	drv_data	unit_byte
LOCK2		&controller->io_mutex
HALF_LOCKED2		&controller->dev.driver_data->op_lock
TYPE_LOCK		(struct spi_controller)->io_mutex

drivers/spi/spi-pxa2xx.c pxa2xx_spi_update() -> pxa2xx_spi_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	drv_data	4096-ptr_max
PARAM_VALUE	0	drv_data->ssp	4096-ptr_max
PARAM_VALUE	1	reg	0,4,40,68,72,108
BUF_SIZE	0	drv_data	s32min-(-1),1-s32max
BUF_SIZE	0	drv_data	s32min-(-1),1-s32max
BUF_SIZE	0	drv_data->rx	s32min-(-1),1-s32max
BUF_SIZE	0	drv_data->tx	s32min-(-1),1-s32max
CAPPED_DATA	2	val	1
DATA_SOURCE	0	drv_data	$0
DATA_SOURCE	1	reg	$1
STR_LEN	0	drv_data	(-1),16,32-33
STR_LEN	0	drv_data	(-1),16,32-33
HARD_MAX	1	reg	108
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	0	drv_data	unit_byte
HALF_LOCKED2		&controller->io_mutex

drivers/spi/spi-pxa2xx.c ssp_int() -> pxa2xx_spi_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	drv_data	4096-ptr_max
PARAM_VALUE	0	drv_data->ssp	4096-ptr_max
PARAM_VALUE	1	reg	4
CAPPED_DATA	2	val	1
DATA_SOURCE	0	drv_data	$1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	2	val	0-u32max
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		flags

drivers/spi/spi-pxa2xx.c ssp_int() -> pxa2xx_spi_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	drv_data	4096-ptr_max
PARAM_VALUE	0	drv_data->ssp	4096-ptr_max
PARAM_VALUE	1	reg	4
DATA_SOURCE	0	drv_data	$1
DATA_SOURCE	2	val	r pxa2xx_spi_read
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	2	val	0-u32max
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		flags

drivers/spi/spi-pxa2xx.c u16_writer() -> pxa2xx_spi_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	drv_data	4096-ptr_max
PARAM_VALUE	0	drv_data->ssp	4096-ptr_max
PARAM_VALUE	1	reg	16
PARAM_VALUE	2	val	0-u16max
BUF_SIZE	0	drv_data	s32min-(-1),1-s32max
BUF_SIZE	0	drv_data	s32min-(-1),1-s32max
BUF_SIZE	0	drv_data->rx	s32min-(-1),1-s32max
BUF_SIZE	0	drv_data->tx	s32min-(-1),1-s32max
DATA_SOURCE	0	drv_data	$0
PARAM_COMPARE	0	drv_data->tx	!= $0->tx_end
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&controller->io_mutex

drivers/spi/spi-pxa2xx.c u32_writer() -> pxa2xx_spi_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	drv_data	4096-ptr_max
PARAM_VALUE	0	drv_data->ssp	4096-ptr_max
PARAM_VALUE	1	reg	16
BUF_SIZE	0	drv_data	s32min-(-1),1-s32max
BUF_SIZE	0	drv_data	s32min-(-1),1-s32max
BUF_SIZE	0	drv_data->rx	s32min-(-1),1-s32max
BUF_SIZE	0	drv_data->tx	s32min-(-1),1-s32max
DATA_SOURCE	0	drv_data	$0
PARAM_COMPARE	0	drv_data->tx	!= $0->tx_end
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&controller->io_mutex

drivers/spi/spi-pxa2xx.c u8_writer() -> pxa2xx_spi_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	drv_data	4096-ptr_max
PARAM_VALUE	0	drv_data->ssp	4096-ptr_max
PARAM_VALUE	1	reg	16
PARAM_VALUE	2	val	0-255
BUF_SIZE	0	drv_data	s32min-(-1),1-s32max
BUF_SIZE	0	drv_data	s32min-(-1),1-s32max
BUF_SIZE	0	drv_data->rx	s32min-(-1),1-s32max
BUF_SIZE	0	drv_data->tx	s32min-(-1),1-s32max
DATA_SOURCE	0	drv_data	$0
PARAM_COMPARE	0	drv_data->tx	!= $0->tx_end
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&controller->io_mutex

drivers/spi/spi-pxa2xx.c write_SSSR_CS() -> pxa2xx_spi_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	drv_data	4096-ptr_max
PARAM_VALUE	1	reg	8
BUF_SIZE	0	drv_data	s32min-(-1),1-s32max
BUF_SIZE	0	drv_data	s32min-(-1),1-s32max
BUF_SIZE	0	drv_data->rx	s32min-(-1),1-s32max
BUF_SIZE	0	drv_data->tx	s32min-(-1),1-s32max
DATA_SOURCE	0	drv_data	$0
DATA_SOURCE	2	val	$1 [m]
STR_LEN	0	drv_data	(-1),16,32-33
STR_LEN	0	drv_data	(-1),16,32-33
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	2	val	0-u32max[c]
UNITS	0	drv_data	unit_byte
HALF_LOCKED2		&controller->io_mutex