Defined in 3 files as a macro:
- arch/sparc/include/asm/floppy_32.h, line 387 (as a macro)
- arch/sparc/include/asm/floppy_64.h, line 773 (as a macro)
- arch/sparc/include/asm/parport_64.h, line 35 (as a macro)
Defined in 8 files as a function:
- arch/alpha/include/asm/dma.h, line 201 (as a function)
- arch/arm/include/asm/dma.h, line 49 (as a function)
- arch/m68k/include/asm/floppy.h, line 60 (as a function)
- arch/mips/include/asm/dma.h, line 167 (as a function)
- arch/mips/include/asm/mach-au1x00/au1000_dma.h, line 145 (as a function)
- arch/parisc/include/asm/dma.h, line 81 (as a function)
- arch/powerpc/include/asm/dma.h, line 175 (as a function)
- arch/x86/include/asm/dma.h, line 160 (as a function)
Referenced in 7 files:
- arch/x86/kernel/i8237.c, line 41
- drivers/block/floppy.c
- drivers/comedi/drivers/comedi_isadma.c
- drivers/gpib/nec7210/nec7210.c
- drivers/mmc/host/wbsd.c
- drivers/parport/parport_pc.c
- sound/core/isadma.c
Smatch caller information:
drivers/block/floppy.c floppy_interrupt() -> release_dma_lock()
| Type | Parameter | Key | Value |
|---|---|---|---|
| CAPPED_DATA | 0 | flags | 1 |
| CAPPED_DATA | 0 | flags | 1 |
| DATA_SOURCE | 0 | flags | r claim_dma_lock |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | global &dma_spin_lock | ||
| HALF_LOCKED2 | &desc->request_mutex | ||
| HALF_LOCKED2 | flags |
drivers/block/floppy.c floppy_ready() -> release_dma_lock()
| Type | Parameter | Key | Value |
|---|---|---|---|
| CAPPED_DATA | 0 | flags | 1 |
| CAPPED_DATA | 0 | flags | 1 |
| DATA_SOURCE | 0 | flags | r claim_dma_lock |
| PREEMPT_ADD | <- disables preempt | ||
| NOCHECK_CALL | |||
| LOCK2 | global &dma_spin_lock | ||
| HALF_LOCKED2 | &pool->lock |
drivers/block/floppy.c floppy_shutdown() -> release_dma_lock()
| Type | Parameter | Key | Value |
|---|---|---|---|
| CAPPED_DATA | 0 | flags | 1 |
| CAPPED_DATA | 0 | flags | 1 |
| DATA_SOURCE | 0 | flags | r claim_dma_lock |
| PREEMPT_ADD | <- disables preempt | ||
| NOCHECK_CALL | |||
| LOCK2 | global &dma_spin_lock | ||
| HALF_LOCKED2 | &pool->lock |
drivers/block/floppy.c raw_cmd_done() -> release_dma_lock()
| Type | Parameter | Key | Value |
|---|---|---|---|
| CAPPED_DATA | 0 | flags | 1 |
| CAPPED_DATA | 0 | flags | 1 |
| DATA_SOURCE | 0 | flags | r claim_dma_lock |
| PREEMPT_ADD | <- disables preempt | ||
| NOCHECK_CALL | |||
| LOCK2 | global &dma_spin_lock | ||
| HALF_LOCKED2 | &pool->lock |
drivers/block/floppy.c reset_fdc() -> release_dma_lock()
| Type | Parameter | Key | Value |
|---|---|---|---|
| CAPPED_DATA | 0 | flags | 1 |
| CAPPED_DATA | 0 | flags | 1 |
| DATA_SOURCE | 0 | flags | r claim_dma_lock |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | global &dma_spin_lock |
drivers/block/floppy.c setup_DMA() -> release_dma_lock()
| Type | Parameter | Key | Value |
|---|---|---|---|
| CAPPED_DATA | 0 | flags | 1 |
| CAPPED_DATA | 0 | flags | 1 |
| DATA_SOURCE | 0 | flags | r claim_dma_lock |
| PREEMPT_ADD | <- disables preempt | ||
| NOCHECK_CALL | |||
| LOCK2 | global &dma_spin_lock | ||
| HALF_LOCKED2 | &pool->lock |
drivers/block/floppy.c setup_DMA() -> release_dma_lock()
| Type | Parameter | Key | Value |
|---|---|---|---|
| CAPPED_DATA | 0 | flags | 1 |
| CAPPED_DATA | 0 | flags | 1 |
| DATA_SOURCE | 0 | flags | r claim_dma_lock |
| PREEMPT_ADD | <- disables preempt | ||
| NOCHECK_CALL | |||
| LOCK2 | global &dma_spin_lock | ||
| HALF_LOCKED2 | &pool->lock |
drivers/comedi/drivers/comedi_isadma.c comedi_isadma_disable() -> release_dma_lock()
| Type | Parameter | Key | Value |
|---|---|---|---|
| CAPPED_DATA | 0 | flags | 1 |
| CAPPED_DATA | 0 | flags | 1 |
| DATA_SOURCE | 0 | flags | r claim_dma_lock |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | global &dma_spin_lock | ||
| HALF_LOCKED2 | &dev->mutex | ||
| HALF_LOCKED2 | &dev->spinlock | ||
| HALF_LOCKED2 | flags | ||
| HALF_LOCKED2 | spin_flags |
drivers/comedi/drivers/comedi_isadma.c comedi_isadma_disable_on_sample() -> release_dma_lock()
| Type | Parameter | Key | Value |
|---|---|---|---|
| CAPPED_DATA | 0 | flags | 1 |
| CAPPED_DATA | 0 | flags | 1 |
| DATA_SOURCE | 0 | flags | r claim_dma_lock |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | &dev->spinlock | ||
| LOCK2 | global &dma_spin_lock | ||
| LOCK2 | spin_flags | ||
| TYPE_LOCK | (struct comedi_device)->spinlock |
drivers/comedi/drivers/comedi_isadma.c comedi_isadma_poll() -> release_dma_lock()
| Type | Parameter | Key | Value |
|---|---|---|---|
| CAPPED_DATA | 0 | flags | 1 |
| CAPPED_DATA | 0 | flags | 1 |
| DATA_SOURCE | 0 | flags | r claim_dma_lock |
| PREEMPT_ADD | <- disables preempt | ||
| NOCHECK_CALL | |||
| LOCK2 | &dev->mutex | ||
| LOCK2 | &dev->spinlock | ||
| LOCK2 | flags | ||
| LOCK2 | global &dma_spin_lock | ||
| TYPE_LOCK | (struct comedi_device)->mutex | ||
| TYPE_LOCK | (struct comedi_device)->spinlock |
drivers/comedi/drivers/comedi_isadma.c comedi_isadma_program() -> release_dma_lock()
| Type | Parameter | Key | Value |
|---|---|---|---|
| CAPPED_DATA | 0 | flags | 1 |
| CAPPED_DATA | 0 | flags | 1 |
| DATA_SOURCE | 0 | flags | r claim_dma_lock |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | global &dma_spin_lock | ||
| HALF_LOCKED2 | &dev->mutex | ||
| HALF_LOCKED2 | &dev->spinlock |
sound/core/isadma.c snd_dma_disable() -> release_dma_lock()
| Type | Parameter | Key | Value |
|---|---|---|---|
| CAPPED_DATA | 0 | flags | 1 |
| CAPPED_DATA | 0 | flags | 1 |
| DATA_SOURCE | 0 | flags | r claim_dma_lock |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | global &dma_spin_lock | ||
| HALF_LOCKED2 | _T->lock |
sound/core/isadma.c snd_dma_pointer() -> release_dma_lock()
| Type | Parameter | Key | Value |
|---|---|---|---|
| CAPPED_DATA | 0 | flags | 1 |
| CAPPED_DATA | 0 | flags | 1 |
| DATA_SOURCE | 0 | flags | r claim_dma_lock |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | global &dma_spin_lock | ||
| HALF_LOCKED2 | &atimer->lock | ||
| HALF_LOCKED2 | irq |
sound/core/isadma.c snd_dma_program() -> release_dma_lock()
| Type | Parameter | Key | Value |
|---|---|---|---|
| CAPPED_DATA | 0 | flags | 1 |
| CAPPED_DATA | 0 | flags | 1 |
| DATA_SOURCE | 0 | flags | r claim_dma_lock |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | global &dma_spin_lock | ||
| HALF_LOCKED2 | &chip->lock | ||
| HALF_LOCKED2 | &chip->reg_lock | ||
| HALF_LOCKED2 | &s->lock | ||
| HALF_LOCKED2 | irq |
drivers/mmc/host/wbsd.c wbsd_finish_data() -> release_dma_lock()
| Type | Parameter | Key | Value |
|---|---|---|---|
| CAPPED_DATA | 0 | flags | 1 |
| CAPPED_DATA | 0 | flags | 1 |
| DATA_SOURCE | 0 | flags | r claim_dma_lock |
| PREEMPT_ADD | <- disables preempt | ||
| NOCHECK_CALL | |||
| LOCK2 | &host->lock | ||
| LOCK2 | global &dma_spin_lock | ||
| HALF_LOCKED2 | &pool->lock | ||
| TYPE_LOCK | (struct wbsd_host)->lock |
drivers/mmc/host/wbsd.c wbsd_prepare_data() -> release_dma_lock()
| Type | Parameter | Key | Value |
|---|---|---|---|
| CAPPED_DATA | 0 | flags | 1 |
| CAPPED_DATA | 0 | flags | 1 |
| DATA_SOURCE | 0 | flags | r claim_dma_lock |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | &host->lock | ||
| LOCK2 | bh | ||
| LOCK2 | global &dma_spin_lock | ||
| TYPE_LOCK | (struct wbsd_host)->lock |
drivers/mmc/host/wbsd.c wbsd_request_end() -> release_dma_lock()
| Type | Parameter | Key | Value |
|---|---|---|---|
| CAPPED_DATA | 0 | flags | 1 |
| CAPPED_DATA | 0 | flags | 1 |
| DATA_SOURCE | 0 | flags | r claim_dma_lock |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | &host->lock | ||
| LOCK2 | global &dma_spin_lock | ||
| HALF_LOCKED2 | bh | ||
| TYPE_LOCK | (struct wbsd_host)->lock |
arch/x86/kernel/i8237.c i8237A_resume() -> release_dma_lock()
| Type | Parameter | Key | Value |
|---|---|---|---|
| CAPPED_DATA | 0 | flags | 1 |
| CAPPED_DATA | 0 | flags | 1 |
| DATA_SOURCE | 0 | flags | r claim_dma_lock |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | global &dma_spin_lock | ||
| HALF_LOCKED2 | global &acpi_scan_lock | ||
| HALF_LOCKED2 | global &device_hotplug_lock | ||
| HALF_LOCKED2 | global &system_transition_mutex | ||
| HALF_LOCKED2 | irq |
drivers/parport/parport_pc.c parport_pc_fifo_write_block_dma() -> release_dma_lock()
| Type | Parameter | Key | Value |
|---|---|---|---|
| CAPPED_DATA | 0 | flags | 1 |
| CAPPED_DATA | 0 | flags | 1 |
| DATA_SOURCE | 0 | flags | r claim_dma_lock |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | global &dma_spin_lock | ||
| HALF_LOCKED2 | &port->physport->ieee1284.irq |
drivers/parport/parport_pc.c parport_pc_fifo_write_block_dma() -> release_dma_lock()
| Type | Parameter | Key | Value |
|---|---|---|---|
| CAPPED_DATA | 0 | flags | 1 |
| CAPPED_DATA | 0 | flags | 1 |
| DATA_SOURCE | 0 | flags | r claim_dma_lock |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | &port->physport->ieee1284.irq | ||
| LOCK2 | global &dma_spin_lock | ||
| TYPE_LOCK | (struct ieee1284_info)->irq |
drivers/parport/parport_pc.c parport_pc_fifo_write_block_dma() -> release_dma_lock()
| Type | Parameter | Key | Value |
|---|---|---|---|
| CAPPED_DATA | 0 | flags | 1 |
| CAPPED_DATA | 0 | flags | 1 |
| DATA_SOURCE | 0 | flags | r claim_dma_lock |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | global &dma_spin_lock | ||
| HALF_LOCKED2 | &port->physport->ieee1284.irq |