axi_dmac_read 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/dma-axi-dmac.c, line 201 (as a function)

Referenced in 1 files:

drivers/dma/dma-axi-dmac.c

Smatch caller information:

drivers/dma/dma-axi-dmac.c axi_dmac_dequeue_partial_xfers() -> axi_dmac_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	axi_dmac	4096-ptr_max
PARAM_VALUE	1	reg	1100
DATA_SOURCE	0	axi_dmac	r chan_to_axi_dmac
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		&dmac->chan.vchan.lock
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct virt_dma_chan)->lock

drivers/dma/dma-axi-dmac.c axi_dmac_dequeue_partial_xfers() -> axi_dmac_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	axi_dmac	4096-ptr_max
PARAM_VALUE	1	reg	1104
DATA_SOURCE	0	axi_dmac	r chan_to_axi_dmac
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		&dmac->chan.vchan.lock
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct virt_dma_chan)->lock

drivers/dma/dma-axi-dmac.c axi_dmac_dequeue_partial_xfers() -> axi_dmac_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	axi_dmac	4096-ptr_max
PARAM_VALUE	1	reg	1064
DATA_SOURCE	0	axi_dmac	r chan_to_axi_dmac
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		&dmac->chan.vchan.lock
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct virt_dma_chan)->lock

drivers/dma/dma-axi-dmac.c axi_dmac_detect_caps() -> axi_dmac_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	axi_dmac	4096-ptr_max
PARAM_VALUE	0	axi_dmac->base	4096-ptr_max
PARAM_VALUE	1	reg	1036
BUF_SIZE	0	axi_dmac	944
BUF_SIZE	0	axi_dmac->irq	s32min-(-1),1-s32max
DATA_SOURCE	0	axi_dmac	$0
MEM_ZERO	0	axi_dmac
RX_PATH
TASK_NOT_RUNNING

drivers/dma/dma-axi-dmac.c axi_dmac_detect_caps() -> axi_dmac_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	axi_dmac	4096-ptr_max
PARAM_VALUE	0	axi_dmac->base	4096-ptr_max
PARAM_VALUE	1	reg	1148
BUF_SIZE	0	axi_dmac	944
BUF_SIZE	0	axi_dmac->irq	s32min-(-1),1-s32max
DATA_SOURCE	0	axi_dmac	$0
MEM_ZERO	0	axi_dmac
RX_PATH
TASK_NOT_RUNNING

drivers/dma/dma-axi-dmac.c axi_dmac_detect_caps() -> axi_dmac_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	axi_dmac	4096-ptr_max
PARAM_VALUE	0	axi_dmac->base	4096-ptr_max
PARAM_VALUE	1	reg	1052
BUF_SIZE	0	axi_dmac	944
BUF_SIZE	0	axi_dmac->irq	s32min-(-1),1-s32max
DATA_SOURCE	0	axi_dmac	$0
MEM_ZERO	0	axi_dmac
RX_PATH
TASK_NOT_RUNNING

drivers/dma/dma-axi-dmac.c axi_dmac_detect_caps() -> axi_dmac_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	axi_dmac	4096-ptr_max
PARAM_VALUE	0	axi_dmac->base	4096-ptr_max
PARAM_VALUE	1	reg	1048
BUF_SIZE	0	axi_dmac	944
BUF_SIZE	0	axi_dmac->irq	s32min-(-1),1-s32max
DATA_SOURCE	0	axi_dmac	$0
MEM_ZERO	0	axi_dmac
RX_PATH
TASK_NOT_RUNNING

drivers/dma/dma-axi-dmac.c axi_dmac_detect_caps() -> axi_dmac_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	axi_dmac	4096-ptr_max
PARAM_VALUE	0	axi_dmac->base	4096-ptr_max
PARAM_VALUE	1	reg	1040
BUF_SIZE	0	axi_dmac	944
BUF_SIZE	0	axi_dmac->irq	s32min-(-1),1-s32max
DATA_SOURCE	0	axi_dmac	$0
MEM_ZERO	0	axi_dmac
RX_PATH
TASK_NOT_RUNNING

drivers/dma/dma-axi-dmac.c axi_dmac_detect_caps() -> axi_dmac_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	axi_dmac	4096-ptr_max
PARAM_VALUE	0	axi_dmac->base	4096-ptr_max
PARAM_VALUE	1	reg	1044
BUF_SIZE	0	axi_dmac	944
BUF_SIZE	0	axi_dmac->irq	s32min-(-1),1-s32max
DATA_SOURCE	0	axi_dmac	$0
MEM_ZERO	0	axi_dmac
RX_PATH
TASK_NOT_RUNNING

drivers/dma/dma-axi-dmac.c axi_dmac_detect_caps() -> axi_dmac_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	axi_dmac	4096-ptr_max
PARAM_VALUE	0	axi_dmac->base	4096-ptr_max
PARAM_VALUE	1	reg	1168
BUF_SIZE	0	axi_dmac	944
BUF_SIZE	0	axi_dmac->irq	s32min-(-1),1-s32max
DATA_SOURCE	0	axi_dmac	$0
MEM_ZERO	0	axi_dmac
RX_PATH
TASK_NOT_RUNNING

drivers/dma/dma-axi-dmac.c axi_dmac_detect_caps() -> axi_dmac_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	axi_dmac	4096-ptr_max
PARAM_VALUE	0	axi_dmac->base	4096-ptr_max
PARAM_VALUE	1	reg	1172
BUF_SIZE	0	axi_dmac	944
BUF_SIZE	0	axi_dmac->irq	s32min-(-1),1-s32max
DATA_SOURCE	0	axi_dmac	$0
MEM_ZERO	0	axi_dmac
RX_PATH
TASK_NOT_RUNNING

drivers/dma/dma-axi-dmac.c axi_dmac_detect_caps() -> axi_dmac_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	axi_dmac	4096-ptr_max
PARAM_VALUE	0	axi_dmac->base	4096-ptr_max
PARAM_VALUE	1	reg	1048
BUF_SIZE	0	axi_dmac	944
BUF_SIZE	0	axi_dmac->irq	s32min-(-1),1-s32max
DATA_SOURCE	0	axi_dmac	$0
MEM_ZERO	0	axi_dmac
RX_PATH
TASK_NOT_RUNNING

drivers/dma/dma-axi-dmac.c axi_dmac_get_next_desc() -> axi_dmac_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	axi_dmac	4096-ptr_max
PARAM_VALUE	1	reg	1036
DATA_SOURCE	0	axi_dmac	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&chan->vchan.lock
HALF_LOCKED2		&dmac->chan.vchan.lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct virt_dma_chan)->lock

drivers/dma/dma-axi-dmac.c axi_dmac_interrupt_handler() -> axi_dmac_read()

Type	Parameter	Key	Value
PARAM_VALUE	1	reg	132
DATA_SOURCE	0	axi_dmac	$1
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		flags

drivers/dma/dma-axi-dmac.c axi_dmac_interrupt_handler() -> axi_dmac_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	axi_dmac	4096-ptr_max
PARAM_VALUE	1	reg	1064
DATA_SOURCE	0	axi_dmac	$1
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2	0	&axi_dmac->chan.vchan.lock
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		flags
TYPE_LOCK		(struct virt_dma_chan)->lock

drivers/dma/dma-axi-dmac.c axi_dmac_probe() -> axi_dmac_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	axi_dmac	4096-ptr_max
PARAM_VALUE	0	axi_dmac->base	4096-ptr_max
PARAM_VALUE	1	reg	0
BUF_SIZE	0	axi_dmac	944
BUF_SIZE	0	axi_dmac->irq	s32min-(-1),1-s32max
DATA_SOURCE	0	axi_dmac	r devm_kzalloc
MEM_ZERO	0	axi_dmac
RX_PATH
TASK_NOT_RUNNING

drivers/dma/dma-axi-dmac.c axi_dmac_probe() -> axi_dmac_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	axi_dmac	4096-ptr_max
PARAM_VALUE	0	axi_dmac->base	4096-ptr_max
PARAM_VALUE	1	reg	20
BUF_SIZE	0	axi_dmac	944
BUF_SIZE	0	axi_dmac->irq	s32min-(-1),1-s32max
DATA_SOURCE	0	axi_dmac	r devm_kzalloc
MEM_ZERO	0	axi_dmac
MEM_ZERO	0	axi_dmac->chan.active_descs.next
MEM_ZERO	0	axi_dmac->chan.active_descs.prev
MEM_ZERO	0	axi_dmac->chan.next_desc
MEM_ZERO	0	axi_dmac->chan.pool
MEM_ZERO	0	axi_dmac->chan.vchan.chan.dbg_client_name
MEM_ZERO	0	axi_dmac->chan.vchan.chan.dev
MEM_ZERO	0	axi_dmac->chan.vchan.chan.device
MEM_ZERO	0	axi_dmac->chan.vchan.chan.device_node.next
MEM_ZERO	0	axi_dmac->chan.vchan.chan.device_node.prev
MEM_ZERO	0	axi_dmac->chan.vchan.chan.local
MEM_ZERO	0	axi_dmac->chan.vchan.chan.name
MEM_ZERO	0	axi_dmac->chan.vchan.chan.private
MEM_ZERO	0	axi_dmac->chan.vchan.chan.route_data
MEM_ZERO	0	axi_dmac->chan.vchan.chan.router
MEM_ZERO	0	axi_dmac->chan.vchan.chan.slave
MEM_ZERO	0	axi_dmac->chan.vchan.cyclic
MEM_ZERO	0	axi_dmac->chan.vchan.desc_allocated.next
MEM_ZERO	0	axi_dmac->chan.vchan.desc_allocated.prev
MEM_ZERO	0	axi_dmac->chan.vchan.desc_completed.next
MEM_ZERO	0	axi_dmac->chan.vchan.desc_completed.prev
MEM_ZERO	0	axi_dmac->chan.vchan.desc_free
MEM_ZERO	0	axi_dmac->chan.vchan.desc_issued.next
MEM_ZERO	0	axi_dmac->chan.vchan.desc_issued.prev
MEM_ZERO	0	axi_dmac->chan.vchan.desc_submitted.next
MEM_ZERO	0	axi_dmac->chan.vchan.desc_submitted.prev
MEM_ZERO	0	axi_dmac->chan.vchan.desc_terminated.next
MEM_ZERO	0	axi_dmac->chan.vchan.desc_terminated.prev
MEM_ZERO	0	axi_dmac->chan.vchan.task.next
MEM_ZERO	0	axi_dmac->dma_dev.dev
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	axi_dmac->chan.length_align_mask	0-s32max
HOST_DATA	0	axi_dmac->chan.max_length	0-s32max

drivers/dma/dma-axi-dmac.c axi_dmac_read_chan_config() -> axi_dmac_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	axi_dmac	4096-ptr_max
PARAM_VALUE	0	axi_dmac->base	4096-ptr_max
PARAM_VALUE	1	reg	16
BUF_SIZE	0	axi_dmac	944
BUF_SIZE	0	axi_dmac->irq	s32min-(-1),1-s32max
DATA_SOURCE	0	axi_dmac	$1
MEM_ZERO	0	axi_dmac
RX_PATH
TASK_NOT_RUNNING

drivers/dma/dma-axi-dmac.c axi_dmac_start_transfer() -> axi_dmac_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	axi_dmac	4096-ptr_max
PARAM_VALUE	1	reg	1032
DATA_SOURCE	0	axi_dmac	r chan_to_axi_dmac
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&chan->vchan.lock
HALF_LOCKED2		&dmac->chan.vchan.lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct virt_dma_chan)->lock

drivers/dma/dma-axi-dmac.c axi_dmac_start_transfer() -> axi_dmac_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	axi_dmac	4096-ptr_max
PARAM_VALUE	1	reg	1028
DATA_SOURCE	0	axi_dmac	r chan_to_axi_dmac
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&chan->vchan.lock
HALF_LOCKED2		&dmac->chan.vchan.lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct virt_dma_chan)->lock