rcar_dmac_chan_write identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

drivers/dma/sh/rcar-dmac.c, line 336 (as a function)

Referenced in 1 files:

drivers/dma/sh/rcar-dmac.c

Smatch caller information:

drivers/dma/sh/rcar-dmac.c rcar_dmac_chan_clear() -> rcar_dmac_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	1	reg	256
PARAM_VALUE	2	data	1
DATA_SOURCE	0	chan	$1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&chan->lock
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
HALF_LOCKED2		irq
TYPE_LOCK		(struct rcar_dmac_chan)->lock

drivers/dma/sh/rcar-dmac.c rcar_dmac_chan_clear_all() -> rcar_dmac_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-u64max
PARAM_VALUE	1	reg	256
PARAM_VALUE	2	data	1
BUF_SIZE	0	chan	(-1),464-14384
BUF_SIZE	0	chan	(-1),464-14384
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/dma/sh/rcar-dmac.c rcar_dmac_chan_halt() -> rcar_dmac_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	1	reg	12
PARAM_VALUE	2	data	0,8-1072955384
DATA_SOURCE	0	chan	$0
BIT_INFO	2	data	0x0,0x3ff3fff8
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	2	data	0,8-1072955384[c]
LOCK2	0	&chan->lock
HALF_LOCKED2		&_dev->mutex
HALF_LOCKED2		irq
TYPE_LOCK		(struct rcar_dmac_chan)->lock

drivers/dma/sh/rcar-dmac.c rcar_dmac_chan_start_xfer() -> rcar_dmac_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	1	reg	64
PARAM_VALUE	2	data	0-s32max
DATA_SOURCE	0	chan	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&chan->lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct rcar_dmac_chan)->lock

drivers/dma/sh/rcar-dmac.c rcar_dmac_chan_start_xfer() -> rcar_dmac_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	1	reg	16
DATA_SOURCE	0	chan	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&chan->lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct rcar_dmac_chan)->lock

drivers/dma/sh/rcar-dmac.c rcar_dmac_chan_start_xfer() -> rcar_dmac_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	1	reg	20
DATA_SOURCE	0	chan	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&chan->lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct rcar_dmac_chan)->lock

drivers/dma/sh/rcar-dmac.c rcar_dmac_chan_start_xfer() -> rcar_dmac_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	1	reg	96
DATA_SOURCE	0	chan	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&chan->lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct rcar_dmac_chan)->lock

drivers/dma/sh/rcar-dmac.c rcar_dmac_chan_start_xfer() -> rcar_dmac_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	1	reg	80
PARAM_VALUE	2	data	1,17-4294967281
DATA_SOURCE	0	chan	$0
BIT_INFO	2	data	0x1,0xfffffff1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&chan->lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct rcar_dmac_chan)->lock

drivers/dma/sh/rcar-dmac.c rcar_dmac_chan_start_xfer() -> rcar_dmac_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	1	reg	28
PARAM_VALUE	2	data	32768,16809984-4278222848
DATA_SOURCE	0	chan	$0
BIT_INFO	2	data	0x8000,0xff008000
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&chan->lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct rcar_dmac_chan)->lock

drivers/dma/sh/rcar-dmac.c rcar_dmac_chan_start_xfer() -> rcar_dmac_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	1	reg	4
DATA_SOURCE	0	chan	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&chan->lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct rcar_dmac_chan)->lock

drivers/dma/sh/rcar-dmac.c rcar_dmac_chan_start_xfer() -> rcar_dmac_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	1	reg	84
PARAM_VALUE	2	data	16777216
DATA_SOURCE	0	chan	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&chan->lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct rcar_dmac_chan)->lock

drivers/dma/sh/rcar-dmac.c rcar_dmac_chan_start_xfer() -> rcar_dmac_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	1	reg	16
DATA_SOURCE	0	chan	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&chan->lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct rcar_dmac_chan)->lock

drivers/dma/sh/rcar-dmac.c rcar_dmac_chan_start_xfer() -> rcar_dmac_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	1	reg	20
DATA_SOURCE	0	chan	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&chan->lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct rcar_dmac_chan)->lock

drivers/dma/sh/rcar-dmac.c rcar_dmac_chan_start_xfer() -> rcar_dmac_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	1	reg	0
DATA_SOURCE	0	chan	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&chan->lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct rcar_dmac_chan)->lock

drivers/dma/sh/rcar-dmac.c rcar_dmac_chan_start_xfer() -> rcar_dmac_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	1	reg	4
DATA_SOURCE	0	chan	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&chan->lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct rcar_dmac_chan)->lock

drivers/dma/sh/rcar-dmac.c rcar_dmac_chan_start_xfer() -> rcar_dmac_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	1	reg	8
DATA_SOURCE	0	chan	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&chan->lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct rcar_dmac_chan)->lock

drivers/dma/sh/rcar-dmac.c rcar_dmac_chan_start_xfer() -> rcar_dmac_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	1	reg	12
PARAM_VALUE	2	data	0,1073741824-u32max
DATA_SOURCE	0	chan	$0
BIT_INFO	2	data	0x40000001,0xffffffff
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&chan->lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct rcar_dmac_chan)->lock

drivers/dma/sh/rcar-dmac.c rcar_dmac_clear_chcr_de() -> rcar_dmac_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	1	reg	12
PARAM_VALUE	2	data	0,2-u32max
DATA_SOURCE	0	chan	$0
BIT_INFO	2	data	0x0,0xfffffffe
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	2	data	0,2-u32max
LOCK2	0	&chan->lock
HALF_LOCKED2		&host->io_mutex
HALF_LOCKED2		&port->lock
HALF_LOCKED2		&priv->rx_dma_lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct rcar_dmac_chan)->lock

drivers/dma/sh/rcar-dmac.c rcar_dmac_isr_channel() -> rcar_dmac_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	1	reg	12
PARAM_VALUE	2	data	0-s32max
CAPPED_DATA	2	data	1
DATA_SOURCE	0	chan	$1
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	2	data	0-s32max
LOCK2	0	&chan->lock
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		flags
TYPE_LOCK		(struct rcar_dmac_chan)->lock

drivers/dma/sh/rcar-dmac.c rcar_dmac_isr_desc_stage_end() -> rcar_dmac_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	1	reg	84
PARAM_VALUE	2	data	0,16777216-4278190080
DATA_SOURCE	0	chan	$0
BIT_INFO	2	data	0x0,0xff000000
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	2	data	0,16777216-4278190080[c]
LOCK2	0	&chan->lock
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
HALF_LOCKED2		irq
TYPE_LOCK		(struct rcar_dmac_chan)->lock