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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

drivers/media/platform/via/via-camera.c viacam_irq() -> viacam_read_reg()

Type Parameter Key Value
PARAM_VALUE 0 cam 4096-ptr_max
PARAM_VALUE 0 cam->lock.dep_map->name 0-255
PARAM_VALUE 0 cam->lock.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 cam->lock.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 cam->lock.osq.tail.counter 0-s32max
PARAM_VALUE 0 cam->lock.wait_lock.dep_map->name 0-255
PARAM_VALUE 0 cam->lock.wait_lock.owner (-1)
PARAM_VALUE 0 cam->lock.wait_lock.owner_cpu u32max
PARAM_VALUE 0 cam->opstate 1
PARAM_VALUE 1 reg 768
CAPPED_DATA 0 &cam->lock 1
DATA_SOURCE 0 cam $1
PARAM_COMPARE 0 &cam->buffer_queue != $0->buffer_queue.next
RX_PATH
TASK_NOT_RUNNING
LOCK2 0 &cam->lock
TYPE_LOCK (struct via_camera)->lock

drivers/media/platform/via/via-camera.c viacam_quick_irq() -> viacam_read_reg()

Type Parameter Key Value
PARAM_VALUE 0 cam 4096-ptr_max
PARAM_VALUE 0 cam->viadev 4096-ptr_max
PARAM_VALUE 0 cam->viadev->reg_lock.rlock.dep_map->name 0-255
PARAM_VALUE 1 reg 768
DATA_SOURCE 0 cam $1
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2 0 &cam->viadev->reg_lock
HALF_LOCKED2 &desc->request_mutex
HALF_LOCKED2 flags
TYPE_LOCK (struct viafb_dev)->reg_lock

drivers/media/platform/via/via-camera.c viacam_start_engine() -> viacam_read_reg()

Type Parameter Key Value
PARAM_VALUE 0 cam 4096-ptr_max
PARAM_VALUE 0 cam->viadev 4096-ptr_max
PARAM_VALUE 0 cam->viadev->reg_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 *cam->cb_offsets 0-4294967295
PARAM_VALUE 1 reg 784
BUF_SIZE 0 cam s32min-(-2),1-s32max
BUF_SIZE 0 cam s32min-(-2),1-s32max
DATA_SOURCE 0 cam $0
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2 irq
LOCK2 0 &cam->viadev->reg_lock
HALF_LOCKED2 global &viafb_pm_hooks_lock
TYPE_LOCK (struct viafb_dev)->reg_lock

drivers/media/platform/via/via-camera.c viacam_stop_engine() -> viacam_read_reg()

Type Parameter Key Value
PARAM_VALUE 0 cam 4096-ptr_max
PARAM_VALUE 0 cam->viadev 4096-ptr_max
PARAM_VALUE 0 cam->viadev->reg_lock.rlock.dep_map->name 0-255
PARAM_VALUE 1 reg 784
BUF_SIZE 0 cam (-1),360,392,488,768,776,784,816,856,872,880,920,928,976,1000,1016,1088,1120,1128,1144,1152,1184,1248,1288,1312,1328,1344,1352,1368,1392,1552,2416,2728,2888,3040,3256,3688,4104,4824,7552,7944,8768,116088
BUF_SIZE 0 cam (-1),360,392,488,768,776,784,816,856,872,880,920,928,976,1000,1016,1088,1120,1128,1144,1152,1184,1248,1288,1312,1328,1344,1352,1368,1392,1552,2416,2728,2888,3040,3256,3688,4104,4824,7552,7944,8768,116088
DATA_SOURCE 0 cam $0
STR_LEN 0 cam (-1),5-9,12
STR_LEN 0 cam (-1),5-9,12
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2 irq
LOCK2 0 &cam->viadev->reg_lock
HALF_LOCKED2 global &viafb_pm_hooks_lock
TYPE_LOCK (struct viafb_dev)->reg_lock

drivers/media/platform/via/via-camera.c viacam_write_reg_mask() -> viacam_read_reg()

Type Parameter Key Value
PARAM_VALUE 0 cam 4096-ptr_max
PARAM_VALUE 0 cam->viadev 4096-ptr_max
PARAM_VALUE 0 *cam->cb_offsets 0-4294967295
PARAM_VALUE 1 reg 784
BUF_SIZE 0 cam s32min-(-1),1-s32max
BUF_SIZE 0 cam s32min-(-1),1-s32max
DATA_SOURCE 0 cam $0
DATA_SOURCE 1 reg $1
STR_LEN 0 cam (-1)
STR_LEN 0 cam (-1)
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 cam->sensor_format.colorspace 0-u32max[u]
USER_DATA 0 cam->sensor_format.field 0-u32max[u]
USER_DATA 0 cam->sensor_format.quantization 0-u16max[u]
USER_DATA 0 cam->sensor_format.xfer_func 0-u16max[u]
USER_DATA 0 cam->sensor_format.ycbcr_enc 0-u16max[u]
USER_DATA 0 cam->user_format.bytesperline 352-1280[c]
USER_DATA 0 cam->user_format.colorspace 0-u32max[u]
USER_DATA 0 cam->user_format.field 0-u32max[u]
USER_DATA 0 cam->user_format.flags 0-u32max[u]
USER_DATA 0 cam->user_format.priv 0-u32max[u]
USER_DATA 0 cam->user_format.quantization 0-u16max[u]
USER_DATA 0 cam->user_format.sizeimage 50688-614400[c]
USER_DATA 0 cam->user_format.xfer_func 0-u16max[u]
USER_DATA 0 cam->user_format.ycbcr_enc 0-u16max[u]
LOCK2 0 &cam->viadev->reg_lock
HALF_LOCKED2 flags
HALF_LOCKED2 global &viafb_pm_hooks_lock
HALF_LOCKED2 irq
HALF_LOCKED2 0 &cam->lock
TYPE_LOCK (struct viafb_dev)->reg_lock