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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

drivers/spi/spi-mt7621.c mt7621_spi_prepare() -> mt7621_spi_read()

Type Parameter Key Value
PARAM_VALUE 0 rs 4096-ptr_max
PARAM_VALUE 1 reg 40
BUF_SIZE 0 rs s32min-(-2),1-s32max
BUF_SIZE 0 rs s32min-(-2),1-s32max
RX_PATH
TASK_NOT_RUNNING
UNITS 0 rs unit_byte
LOCK2 &host->io_mutex
TYPE_LOCK (struct spi_controller)->io_mutex

drivers/spi/spi-mt7621.c mt7621_spi_read_half_duplex() -> mt7621_spi_read()

Type Parameter Key Value
PARAM_VALUE 0 rs 4096-ptr_max
PARAM_VALUE 0 rs->base 4096-ptr_max
PARAM_VALUE 0 rs->pending_write 0
PARAM_VALUE 1 reg 0
BUF_SIZE 0 rs s32min-(-2),1-s32max
BUF_SIZE 0 rs s32min-(-2),1-s32max
DATA_SOURCE 0 rs $0
RX_PATH
TASK_NOT_RUNNING
UNITS 0 rs unit_byte
LOCK2 &host->io_mutex
HALF_LOCKED2 &host->dev.driver_data->op_lock
TYPE_LOCK (struct spi_controller)->io_mutex

drivers/spi/spi-mt7621.c mt7621_spi_read_half_duplex() -> mt7621_spi_read()

Type Parameter Key Value
PARAM_VALUE 0 rs 4096-ptr_max
PARAM_VALUE 0 rs->base 4096-ptr_max
PARAM_VALUE 0 rs->pending_write 0
PARAM_VALUE 1 reg 8-36
BUF_SIZE 0 rs s32min-(-2),1-s32max
BUF_SIZE 0 rs s32min-(-2),1-s32max
CAPPED_DATA 1 reg 1
DATA_SOURCE 0 rs $0
RX_PATH
TASK_NOT_RUNNING
UNITS 0 rs unit_byte
LOCK2 &host->io_mutex
HALF_LOCKED2 &host->dev.driver_data->op_lock
TYPE_LOCK (struct spi_controller)->io_mutex

drivers/spi/spi-mt7621.c mt7621_spi_set_native_cs() -> mt7621_spi_read()

Type Parameter Key Value
PARAM_VALUE 1 reg 40
BUF_SIZE 0 rs s32min-(-2),1-s32max
BUF_SIZE 0 rs s32min-(-2),1-s32max
RX_PATH
TASK_NOT_RUNNING
UNITS 0 rs 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-mt7621.c mt7621_spi_wait_till_ready() -> mt7621_spi_read()

Type Parameter Key Value
PARAM_VALUE 1 reg 0
BUF_SIZE 0 rs s32min-(-2),1-s32max
BUF_SIZE 0 rs s32min-(-2),1-s32max
DATA_SOURCE 0 rs $0
RX_PATH
TASK_NOT_RUNNING
UNITS 0 rs unit_byte
LOCK2 &host->io_mutex
TYPE_LOCK (struct spi_controller)->io_mutex

drivers/spi/spi-mt7621.c mt7621_spi_write_half_duplex() -> mt7621_spi_read()

Type Parameter Key Value
PARAM_VALUE 0 rs 4096-ptr_max
PARAM_VALUE 0 rs->pending_write s32min-(-1),1-s32max
PARAM_VALUE 1 reg 4
BUF_SIZE 0 rs s32min-(-2),1-s32max
BUF_SIZE 0 rs s32min-(-2),1-s32max
DATA_SOURCE 0 rs $0
RX_PATH
TASK_NOT_RUNNING
UNITS 0 rs unit_byte
LOCK2 &host->io_mutex
HALF_LOCKED2 &host->dev.driver_data->op_lock
TYPE_LOCK (struct spi_controller)->io_mutex