Defined in 1 files as a macro:
Defined in 6 files as a function:
- arch/alpha/include/asm/dma.h, line 230 (as a function)
- arch/mips/include/asm/dma.h, line 196 (as a function)
- arch/parisc/include/asm/dma.h, line 139 (as a function)
- arch/powerpc/include/asm/dma.h, line 212 (as a function)
- arch/sparc/include/asm/parport_64.h, line 86 (as a function)
- arch/x86/include/asm/dma.h, line 190 (as a function)
Referenced in 10 files:
- arch/alpha/include/asm/floppy.h, line 21
- arch/mips/include/asm/mach-generic/floppy.h, line 63
- arch/parisc/include/asm/floppy.h, line 213
- arch/powerpc/include/asm/floppy.h, line 22
- arch/x86/include/asm/floppy.h, line 231
- 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 hard_dma_setup() -> clear_dma_ff()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dmanr | 2 |
| NOCHECK_CALL | |||
| LOCK2 | global &dma_spin_lock | ||
| HALF_LOCKED2 | &pool->lock |
drivers/comedi/drivers/comedi_isadma.c comedi_isadma_poll() -> clear_dma_ff()
| Type | Parameter | Key | Value |
|---|---|---|---|
| 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() -> clear_dma_ff()
| Type | Parameter | Key | Value |
|---|---|---|---|
| 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() -> clear_dma_ff()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | dmanr | $0 |
| 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() -> clear_dma_ff()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | dmanr | $0 |
| 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() -> clear_dma_ff()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | dmanr | $0 |
| 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() -> clear_dma_ff()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dmanr | 0-s32max |
| 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() -> clear_dma_ff()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dmanr | 0-s32max |
| 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() -> clear_dma_ff()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dmanr | 0-s32max |
| 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 |
drivers/parport/parport_pc.c parport_pc_fifo_write_block_dma() -> clear_dma_ff()
| Type | Parameter | Key | Value |
|---|---|---|---|
| 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() -> clear_dma_ff()
| Type | Parameter | Key | Value |
|---|---|---|---|
| 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() -> clear_dma_ff()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | global &dma_spin_lock | ||
| HALF_LOCKED2 | &port->physport->ieee1284.irq |