omap_dma_chan_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/dma/ti/omap-dma.c, line 369 (as a function)

Referenced in 1 files:

drivers/dma/ti/omap-dma.c

Smatch caller information:

drivers/dma/ti/omap-dma.c omap_dma_clear_lch() -> omap_dma_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	c	1-u64max
PARAM_VALUE	1	reg	32-s32max
PARAM_VALUE	2	val	0
CAPPED_DATA	1	reg	1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/dma/ti/omap-dma.c omap_dma_resume() -> omap_dma_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	c	4096-ptr_max
PARAM_VALUE	1	reg	44
DATA_SOURCE	0	c	r to_omap_dma_chan
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&od->irq_lock
LOCK2		flags
TYPE_LOCK		(struct omap_dmadev)->irq_lock

drivers/dma/ti/omap-dma.c omap_dma_start() -> omap_dma_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	c	4096-ptr_max
PARAM_VALUE	1	reg	29
PARAM_VALUE	2	val	0
DATA_SOURCE	0	c	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&od->irq_lock
HALF_LOCKED2		flags
HALF_LOCKED2	0	&c->vc.lock

drivers/dma/ti/omap-dma.c omap_dma_start() -> omap_dma_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	c	4096-ptr_max
PARAM_VALUE	1	reg	41
PARAM_VALUE	2	val	0
DATA_SOURCE	0	c	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&od->irq_lock
HALF_LOCKED2		flags
HALF_LOCKED2	0	&c->vc.lock

drivers/dma/ti/omap-dma.c omap_dma_start() -> omap_dma_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	c	4096-ptr_max
PARAM_VALUE	1	reg	50
PARAM_VALUE	2	val	1318,1321
DATA_SOURCE	0	c	$0
BIT_INFO	2	val	0x520,0x52f
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&od->irq_lock
HALF_LOCKED2		flags
HALF_LOCKED2	0	&c->vc.lock

drivers/dma/ti/omap-dma.c omap_dma_start() -> omap_dma_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	c	4096-ptr_max
PARAM_VALUE	1	reg	51
DATA_SOURCE	0	c	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&od->irq_lock
HALF_LOCKED2		flags
HALF_LOCKED2	0	&c->vc.lock

drivers/dma/ti/omap-dma.c omap_dma_start() -> omap_dma_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	c	4096-ptr_max
PARAM_VALUE	1	reg	52
PARAM_VALUE	2	val	0
DATA_SOURCE	0	c	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&od->irq_lock
HALF_LOCKED2		flags
HALF_LOCKED2	0	&c->vc.lock

drivers/dma/ti/omap-dma.c omap_dma_start() -> omap_dma_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	c	4096-ptr_max
PARAM_VALUE	1	reg	49
PARAM_VALUE	2	val	u16max
DATA_SOURCE	0	c	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&od->irq_lock
HALF_LOCKED2		flags
HALF_LOCKED2	0	&c->vc.lock

drivers/dma/ti/omap-dma.c omap_dma_start() -> omap_dma_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	c	4096-ptr_max
PARAM_VALUE	1	reg	48
PARAM_VALUE	2	val	16777215
DATA_SOURCE	0	c	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&od->irq_lock
HALF_LOCKED2		flags
HALF_LOCKED2	0	&c->vc.lock

drivers/dma/ti/omap-dma.c omap_dma_start() -> omap_dma_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	c	4096-ptr_max
PARAM_VALUE	1	reg	50
PARAM_VALUE	2	val	0
DATA_SOURCE	0	c	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&od->irq_lock
HALF_LOCKED2		flags
HALF_LOCKED2	0	&c->vc.lock

drivers/dma/ti/omap-dma.c omap_dma_start() -> omap_dma_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	c	4096-ptr_max
PARAM_VALUE	1	reg	34
DATA_SOURCE	0	c	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&od->irq_lock
HALF_LOCKED2		flags
HALF_LOCKED2	0	&c->vc.lock

drivers/dma/ti/omap-dma.c omap_dma_start() -> omap_dma_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	c	4096-ptr_max
PARAM_VALUE	1	reg	33
PARAM_VALUE	2	val	0,128-u32max
DATA_SOURCE	0	c	$0
BIT_INFO	2	val	0x80,0xffffffff
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&od->irq_lock
HALF_LOCKED2		flags
HALF_LOCKED2	0	&c->vc.lock

drivers/dma/ti/omap-dma.c omap_dma_start_desc() -> omap_dma_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	c	4096-ptr_max
PARAM_VALUE	1	reg	33
DATA_SOURCE	0	c	$0
PARAM_COMPARE	0	&c->vc.desc_issued	!= $0->vc.desc_issued.next
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&c->vc.lock
HALF_LOCKED2		&od->irq_lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct virt_dma_chan)->lock

drivers/dma/ti/omap-dma.c omap_dma_start_desc() -> omap_dma_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	c	4096-ptr_max
PARAM_VALUE	1	reg	30
PARAM_VALUE	2	val	0-u16max
DATA_SOURCE	0	c	$0
PARAM_COMPARE	0	&c->vc.desc_issued	!= $0->vc.desc_issued.next
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&c->vc.lock
HALF_LOCKED2		&od->irq_lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct virt_dma_chan)->lock

drivers/dma/ti/omap-dma.c omap_dma_start_desc() -> omap_dma_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	c	4096-ptr_max
PARAM_VALUE	1	reg	45-46
DATA_SOURCE	0	c	$0
FUZZY_MAX	1	reg	46
PARAM_COMPARE	0	&c->vc.desc_issued	!= $0->vc.desc_issued.next
BIT_INFO	1	reg	0x2c,0x2f
HARD_MAX	1	reg	46
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	2	val	unit_byte
LOCK2	0	&c->vc.lock
HALF_LOCKED2		&od->irq_lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct virt_dma_chan)->lock

drivers/dma/ti/omap-dma.c omap_dma_start_desc() -> omap_dma_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	c	4096-ptr_max
PARAM_VALUE	1	reg	39,42
PARAM_VALUE	2	val	0-s16max,4294934528-u32max
DATA_SOURCE	0	c	$0
FUZZY_MAX	1	reg	42
PARAM_COMPARE	0	&c->vc.desc_issued	!= $0->vc.desc_issued.next
BIT_INFO	1	reg	0x22,0x2f
HARD_MAX	1	reg	42
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&c->vc.lock
HALF_LOCKED2		&od->irq_lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct virt_dma_chan)->lock

drivers/dma/ti/omap-dma.c omap_dma_start_desc() -> omap_dma_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	c	4096-ptr_max
PARAM_VALUE	1	reg	38,43
DATA_SOURCE	0	c	$0
FUZZY_MAX	1	reg	43
PARAM_COMPARE	0	&c->vc.desc_issued	!= $0->vc.desc_issued.next
BIT_INFO	1	reg	0x22,0x2f
HARD_MAX	1	reg	43
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	2	val	unit_array_size
LOCK2	0	&c->vc.lock
HALF_LOCKED2		&od->irq_lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct virt_dma_chan)->lock

drivers/dma/ti/omap-dma.c omap_dma_start_desc() -> omap_dma_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	c	4096-ptr_max
PARAM_VALUE	1	reg	32
DATA_SOURCE	0	c	$0
PARAM_COMPARE	0	&c->vc.desc_issued	!= $0->vc.desc_issued.next
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&c->vc.lock
HALF_LOCKED2		&od->irq_lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct virt_dma_chan)->lock

drivers/dma/ti/omap-dma.c omap_dma_start_desc() -> omap_dma_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	c	4096-ptr_max
PARAM_VALUE	1	reg	44
DATA_SOURCE	0	c	$0
PARAM_COMPARE	0	&c->vc.desc_issued	!= $0->vc.desc_issued.next
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&c->vc.lock
HALF_LOCKED2		&od->irq_lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct virt_dma_chan)->lock

drivers/dma/ti/omap-dma.c omap_dma_start_sg() -> omap_dma_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	c	4096-ptr_max
PARAM_VALUE	1	reg	45-46
DATA_SOURCE	0	c	$0
FUZZY_MAX	1	reg	46
BIT_INFO	1	reg	0x2c,0x2f
HARD_MAX	1	reg	46
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	2	val	unit_byte
LOCK2	0	&c->vc.lock
HALF_LOCKED2		&od->irq_lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct virt_dma_chan)->lock

drivers/dma/ti/omap-dma.c omap_dma_start_sg() -> omap_dma_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	c	4096-ptr_max
PARAM_VALUE	1	reg	39,42
PARAM_VALUE	2	val	1
DATA_SOURCE	0	c	$0
FUZZY_MAX	1	reg	42
BIT_INFO	1	reg	0x22,0x2f
HARD_MAX	1	reg	42
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&c->vc.lock
HALF_LOCKED2		&od->irq_lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct virt_dma_chan)->lock

drivers/dma/ti/omap-dma.c omap_dma_start_sg() -> omap_dma_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	c	4096-ptr_max
PARAM_VALUE	1	reg	38,43
DATA_SOURCE	0	c	$0
FUZZY_MAX	1	reg	43
BIT_INFO	1	reg	0x22,0x2f
HARD_MAX	1	reg	43
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&c->vc.lock
HALF_LOCKED2		&od->irq_lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct virt_dma_chan)->lock

drivers/dma/ti/omap-dma.c omap_dma_start_sg() -> omap_dma_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	c	4096-ptr_max
PARAM_VALUE	1	reg	36
DATA_SOURCE	0	c	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&c->vc.lock
HALF_LOCKED2		&od->irq_lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct virt_dma_chan)->lock

drivers/dma/ti/omap-dma.c omap_dma_start_sg() -> omap_dma_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	c	4096-ptr_max
PARAM_VALUE	1	reg	37
DATA_SOURCE	0	c	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	2	val	unit_byte
LOCK2	0	&c->vc.lock
HALF_LOCKED2		&od->irq_lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct virt_dma_chan)->lock

drivers/dma/ti/omap-dma.c omap_dma_stop() -> omap_dma_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	c	4096-ptr_max
PARAM_VALUE	1	reg	34
PARAM_VALUE	2	val	0
DATA_SOURCE	0	c	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&host->io_mutex
HALF_LOCKED2		&od->irq_lock
HALF_LOCKED2		flags
HALF_LOCKED2	0	&c->vc.lock

drivers/dma/ti/omap-dma.c omap_dma_stop() -> omap_dma_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	c	4096-ptr_max
PARAM_VALUE	1	reg	33
DATA_SOURCE	0	c	$0
BIT_INFO	2	val	0x0,0xffffff7f
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	2	val	0-u32max[c]
HALF_LOCKED2		&host->io_mutex
HALF_LOCKED2		&od->irq_lock
HALF_LOCKED2		flags
HALF_LOCKED2	0	&c->vc.lock

drivers/dma/ti/omap-dma.c omap_dma_stop() -> omap_dma_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	c	4096-ptr_max
PARAM_VALUE	1	reg	33
DATA_SOURCE	0	c	$0
BIT_INFO	2	val	0x0,0xffffff7f
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	2	val	0-u32max[c]
HALF_LOCKED2		&host->io_mutex
HALF_LOCKED2		&od->irq_lock
HALF_LOCKED2		flags
HALF_LOCKED2	0	&c->vc.lock

drivers/dma/ti/omap-dma.c omap_dma_stop() -> omap_dma_chan_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	c	4096-ptr_max
PARAM_VALUE	1	reg	44
PARAM_VALUE	2	val	0,16384-u32max
DATA_SOURCE	0	c	$0
BIT_INFO	2	val	0x4000,0xffffffff
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	2	val	0,16384-u32max
HALF_LOCKED2		&host->io_mutex
HALF_LOCKED2		&od->irq_lock
HALF_LOCKED2		flags
HALF_LOCKED2	0	&c->vc.lock