Defined in 1 files as a prototype:
Defined in 1 files as a function:
Referenced in 6 files:
- drivers/tty/serial/8250/8250_aspeed_vuart.c, line 373
- drivers/tty/serial/8250/8250_core.c, line 664
- drivers/tty/serial/8250/8250_fsl.c, line 88
- drivers/tty/serial/8250/8250_mxpcie.c, line 402
- drivers/tty/serial/8250/8250_omap.c, line 1320
- drivers/tty/serial/8250/8250_port.c
Smatch caller information:
drivers/tty/serial/8250/8250_omap.c omap_8250_dma_handle_irq() -> serial8250_modem_status()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | up | 4096-ptr_max |
| DATA_SOURCE | 0 | up | r up_to_u8250p |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| HOST_DATA | 0 | up->port.sysrq_ch | 1-255 |
| LOCK2 | &port->lock | ||
| HALF_LOCKED2 | &desc->request_mutex | ||
| HALF_LOCKED2 | _T->lock | ||
| HALF_LOCKED2 | flags | ||
| HALF_LOCKED2 | irq | ||
| TYPE_LOCK | (struct uart_port)->lock |
drivers/tty/serial/8250/8250_fsl.c fsl8250_handle_irq() -> serial8250_modem_status()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | up | 4096-ptr_max |
| PARAM_VALUE | 0 | up->port.cons | 0,4096-ptr_max |
| DATA_SOURCE | 0 | up | r up_to_u8250p |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| HOST_DATA | 0 | up->acr | 0-255 |
| HOST_DATA | 0 | up->bugs | 0-u16max |
| HOST_DATA | 0 | up->canary | 0-255 |
| HOST_DATA | 0 | up->capabilities | 0-u32max |
| HOST_DATA | 0 | up->console_line_ended | 0-1 |
| HOST_DATA | 0 | up->console_msr_work.node.a_flags.counter | s32min-s32max |
| HOST_DATA | 0 | up->console_msr_work.node.dst | 0-u16max |
| HOST_DATA | 0 | up->console_msr_work.node.src | 0-u16max |
| HOST_DATA | 0 | up->console_msr_work.node.u_flags | 0-u32max |
| HOST_DATA | 0 | up->console_msr_work_allow | 0-1 |
| HOST_DATA | 0 | up->cur_iotype | 0-255 |
| HOST_DATA | 0 | up->fcr | 0-255 |
| HOST_DATA | 0 | up->ier | 0-255 |
| HOST_DATA | 0 | up->lcr | 0-255 |
| HOST_DATA | 0 | up->lsr_save_mask | 0-u16max |
| HOST_DATA | 0 | up->lsr_saved_flags | 0-u16max |
| HOST_DATA | 0 | up->mcr | 0-255 |
| HOST_DATA | 0 | up->msr_saved_flags | 0-255 |
| HOST_DATA | 0 | up->overrun_backoff.cpu | s32min-s32max |
| HOST_DATA | 0 | up->overrun_backoff_time_ms | 1-u32max |
| HOST_DATA | 0 | up->port.cons_flow | 0-1 |
| HOST_DATA | 0 | up->port.console_reinit | 0-255 |
| HOST_DATA | 0 | up->port.ctrl_id | 0-u32max |
| HOST_DATA | 0 | up->port.custom_divisor | 0-u32max |
| HOST_DATA | 0 | up->port.fifosize | 0-u32max |
| HOST_DATA | 0 | up->port.flags | 0-u64max |
| HOST_DATA | 0 | up->port.frame_time | 0-u32max |
| HOST_DATA | 0 | up->port.has_sysrq | 0-255 |
| HOST_DATA | 0 | up->port.hub6 | 0-255 |
| HOST_DATA | 0 | up->port.hw_stopped | 0-1 |
| HOST_DATA | 0 | up->port.icount.brk | 0-u32max |
| HOST_DATA | 0 | up->port.icount.buf_overrun | 0-u32max |
| HOST_DATA | 0 | up->port.icount.cts | 0-u32max |
| HOST_DATA | 0 | up->port.icount.dcd | 0-u32max |
| HOST_DATA | 0 | up->port.icount.dsr | 0-u32max |
| HOST_DATA | 0 | up->port.icount.frame | 0-u32max |
| HOST_DATA | 0 | up->port.icount.overrun | 0-u32max |
| HOST_DATA | 0 | up->port.icount.parity | 0-u32max |
| HOST_DATA | 0 | up->port.icount.rng | 0-u32max |
| HOST_DATA | 0 | up->port.icount.rx | 0-u32max |
| HOST_DATA | 0 | up->port.icount.tx | 0-u32max |
| HOST_DATA | 0 | up->port.ignore_status_mask | 0-u32max |
| HOST_DATA | 0 | up->port.iobase | 0-u64max |
| HOST_DATA | 0 | up->port.iotype | s32min-s32max |
| HOST_DATA | 0 | up->port.irq | 0-u32max |
| HOST_DATA | 0 | up->port.irqflags | 0-u64max |
| HOST_DATA | 0 | up->port.iso7816.clk | 0-u32max |
| HOST_DATA | 0 | up->port.iso7816.flags | 0-u32max |
| HOST_DATA | 0 | up->port.iso7816.sc_di | 0-u32max |
| HOST_DATA | 0 | up->port.iso7816.sc_fi | 0-u32max |
| HOST_DATA | 0 | up->port.iso7816.tg | 0-u32max |
| HOST_DATA | 0 | up->port.line | 0-u32max |
| HOST_DATA | 0 | up->port.mapbase | 0-u64max |
| HOST_DATA | 0 | up->port.mapsize | 0-u64max |
| HOST_DATA | 0 | up->port.mctrl | 0-u32max |
| HOST_DATA | 0 | up->port.minor | 0-u32max |
| HOST_DATA | 0 | up->port.port_id | 0-u32max |
| HOST_DATA | 0 | up->port.quirks | 0-255 |
| HOST_DATA | 0 | up->port.read_status_mask | 0-u32max |
| HOST_DATA | 0 | up->port.regshift | 0-255 |
| HOST_DATA | 0 | up->port.rs485.addr_dest | 0-255 |
| HOST_DATA | 0 | up->port.rs485.addr_recv | 0-255 |
| HOST_DATA | 0 | up->port.rs485.delay_rts_after_send | 0-u32max |
| HOST_DATA | 0 | up->port.rs485.delay_rts_before_send | 0-u32max |
| HOST_DATA | 0 | up->port.rs485.flags | 0-u32max |
| HOST_DATA | 0 | up->port.rs485_supported.addr_dest | 0-255 |
| HOST_DATA | 0 | up->port.rs485_supported.addr_recv | 0-255 |
| HOST_DATA | 0 | up->port.rs485_supported.delay_rts_after_send | 0-u32max |
| HOST_DATA | 0 | up->port.rs485_supported.delay_rts_before_send | 0-u32max |
| HOST_DATA | 0 | up->port.rs485_supported.flags | 0-u32max |
| HOST_DATA | 0 | up->port.status | 0-u32max |
| HOST_DATA | 0 | up->port.suspended | 0-255 |
| HOST_DATA | 0 | up->port.sysrq | 0-u64max |
| HOST_DATA | 0 | up->port.sysrq_ch | 0-255 |
| HOST_DATA | 0 | up->port.sysrq_seq | 0-255 |
| HOST_DATA | 0 | up->port.type | 0-u32max |
| HOST_DATA | 0 | up->port.uartclk | 0-u32max |
| HOST_DATA | 0 | up->port.x_char | 0-255 |
| HOST_DATA | 0 | up->probe | 0-255 |
| HOST_DATA | 0 | up->rpm_tx_active | 0-u32max |
| HOST_DATA | 0 | up->timer.expires | 0-u64max |
| HOST_DATA | 0 | up->timer.flags | 0-u32max |
| HOST_DATA | 0 | up->tx_loadsz | 0-u32max |
| HOST_DATA | 0 | *up | 0-u64max |
| LOCK2 | flags | ||
| LOCK2 | 0 | &up->port.lock | |
| HALF_LOCKED2 | &i->lock | ||
| TYPE_LOCK | (struct uart_port)->lock |
drivers/tty/serial/8250/8250_mxpcie.c mxpcie8250_handle_irq() -> serial8250_modem_status()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | up | 4096-ptr_max |
| PARAM_VALUE | 0 | up->port.serial_in | 4096-ptr_max |
| DATA_SOURCE | 0 | up | r up_to_u8250p |
| BIT_INFO | 0 | up | 0x56ca104d7de3c000,0xffffffffffffffff |
| BIT_INFO | 0 | up | 0x56ca104d7de3c000,0xffffffffffffffff |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | &_T->lock->lock | ||
| LOCK2 | _T->flags | ||
| HALF_LOCKED2 | &i->lock |
drivers/tty/serial/8250/8250_port.c console_msr_handler() -> serial8250_modem_status()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | up | 4096-ptr_max |
| NOCHECK_CALL | |||
| LOCK2 | &port->lock | ||
| TYPE_LOCK | (struct uart_port)->lock |
drivers/tty/serial/8250/8250_port.c serial8250_console_write() -> serial8250_modem_status()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | up | 4096-ptr_max |
| PARAM_VALUE | 0 | up->em485 | 0,4096-ptr_max |
| PARAM_VALUE | 0 | up->fcr | 1-255 |
| PARAM_VALUE | 0 | up->msr_saved_flags | 1-255 |
| PARAM_VALUE | 0 | up->port.cons | 0,4096-ptr_max |
| PARAM_VALUE | 0 | up->port.cons_flow | 1 |
| PARAM_VALUE | 0 | up->port.line | 0-s16max,4294934528-u32max |
| PARAM_VALUE | 0 | up->port.private_data->lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | up->port.serial_in | 4096-ptr_max |
| PARAM_VALUE | 0 | up->port.serial_out | 4096-ptr_max |
| CAPPED_DATA | 0 | up->canary | 1 |
| CAPPED_DATA | 0 | up->port.line | 1 |
| DATA_SOURCE | 0 | up | $0 |
| BIT_INFO | 0 | up->capabilities | 0x0,0xffffffff |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| HOST_DATA | 0 | up->msr_saved_flags | 1-255[c] |
| HOST_DATA | 0 | up->port.cons_flow | 1 |
| HOST_DATA | 0 | up->port.console_reinit | 0-255 |
| HOST_DATA | 0 | up->port.ctrl_id | 0-u32max |
| HOST_DATA | 0 | up->port.custom_divisor | 0-u32max |
| HOST_DATA | 0 | up->port.fifosize | 0-u32max |
| HOST_DATA | 0 | up->port.flags | 0-u64max |
| HOST_DATA | 0 | up->port.frame_time | 0-u32max |
| HOST_DATA | 0 | up->port.has_sysrq | 0-255 |
| HOST_DATA | 0 | up->port.hub6 | 0-255 |
| HOST_DATA | 0 | up->port.hw_stopped | 0-1 |
| HOST_DATA | 0 | up->port.icount.brk | 0-u32max |
| HOST_DATA | 0 | up->port.icount.buf_overrun | 0-u32max |
| HOST_DATA | 0 | up->port.icount.cts | 0-u32max |
| HOST_DATA | 0 | up->port.icount.dcd | 0-u32max |
| HOST_DATA | 0 | up->port.icount.dsr | 0-u32max |
| HOST_DATA | 0 | up->port.icount.frame | 0-u32max |
| HOST_DATA | 0 | up->port.icount.overrun | 0-u32max |
| HOST_DATA | 0 | up->port.icount.parity | 0-u32max |
| HOST_DATA | 0 | up->port.icount.rng | 0-u32max |
| HOST_DATA | 0 | up->port.icount.rx | 0-u32max |
| HOST_DATA | 0 | up->port.icount.tx | 0-u32max |
| HOST_DATA | 0 | up->port.ignore_status_mask | 0-u32max |
| HOST_DATA | 0 | up->port.iobase | 0-u64max |
| HOST_DATA | 0 | up->port.iotype | s32min-s32max |
| HOST_DATA | 0 | up->port.irq | 0-u32max |
| HOST_DATA | 0 | up->port.irqflags | 0-u64max |
| HOST_DATA | 0 | up->port.iso7816.clk | 0-u32max |
| HOST_DATA | 0 | up->port.iso7816.flags | 0-u32max |
| HOST_DATA | 0 | up->port.iso7816.sc_di | 0-u32max |
| HOST_DATA | 0 | up->port.iso7816.sc_fi | 0-u32max |
| HOST_DATA | 0 | up->port.iso7816.tg | 0-u32max |
| HOST_DATA | 0 | up->port.line | 0-s16max,4294934528-u32max[c] |
| HOST_DATA | 0 | up->port.mapbase | 0-u64max |
| HOST_DATA | 0 | up->port.mapsize | 0-u64max |
| HOST_DATA | 0 | up->port.mctrl | 0-u32max |
| HOST_DATA | 0 | up->port.minor | 0-u32max |
| HOST_DATA | 0 | up->port.port_id | 0-u32max |
| HOST_DATA | 0 | up->port.quirks | 0-255 |
| HOST_DATA | 0 | up->port.read_status_mask | 0-u32max |
| HOST_DATA | 0 | up->port.regshift | 0-255 |
| HOST_DATA | 0 | up->port.rs485.addr_dest | 0-255 |
| HOST_DATA | 0 | up->port.rs485.addr_recv | 0-255 |
| HOST_DATA | 0 | up->port.rs485.delay_rts_after_send | 0-u32max |
| HOST_DATA | 0 | up->port.rs485.delay_rts_before_send | 0-u32max |
| HOST_DATA | 0 | up->port.rs485.flags | 0-u32max |
| HOST_DATA | 0 | up->port.rs485_supported.addr_dest | 0-255 |
| HOST_DATA | 0 | up->port.rs485_supported.addr_recv | 0-255 |
| HOST_DATA | 0 | up->port.rs485_supported.delay_rts_after_send | 0-u32max |
| HOST_DATA | 0 | up->port.rs485_supported.delay_rts_before_send | 0-u32max |
| HOST_DATA | 0 | up->port.rs485_supported.flags | 0-u32max |
| HOST_DATA | 0 | up->port.status | 0-u32max |
| HOST_DATA | 0 | up->port.suspended | 0-255 |
| HOST_DATA | 0 | up->port.sysrq | 0-u64max |
| HOST_DATA | 0 | up->port.sysrq_ch | 0-255 |
| HOST_DATA | 0 | up->port.sysrq_seq | 0-255 |
| HOST_DATA | 0 | up->port.type | 0-u32max |
| HOST_DATA | 0 | up->port.uartclk | 0-u32max |
| HOST_DATA | 0 | up->port.x_char | 0-255 |
| HALF_LOCKED2 | flags |
drivers/tty/serial/8250/8250_port.c serial8250_do_get_mctrl() -> serial8250_modem_status()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | up | 4096-ptr_max |
| PARAM_VALUE | 0 | up->port.dev->power.request | 0-4 |
| PARAM_VALUE | 0 | up->port.dev->power.runtime_error | s32min-(-17),(-15)-(-14),(-12),(-10)-s32max |
| PARAM_VALUE | 0 | up->port.dev->power.wakeirq->status | 0-4294967295 |
| DATA_SOURCE | 0 | up | r up_to_u8250p |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &m->lock | ||
| HALF_LOCKED2 | &port->lock | ||
| HALF_LOCKED2 | &state->uart_port->lock | ||
| HALF_LOCKED2 | _T->lock | ||
| HALF_LOCKED2 | flags | ||
| HALF_LOCKED2 | irq | ||
| TYPE_LOCK | (struct uart_port)->lock |
drivers/tty/serial/8250/8250_port.c serial8250_handle_irq_locked() -> serial8250_modem_status()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | up | 4096-ptr_max |
| PARAM_VALUE | 0 | up->port.serial_in | 4096-ptr_max |
| DATA_SOURCE | 0 | up | r up_to_u8250p |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | &_T->lock->lock | ||
| LOCK2 | _T->flags |
drivers/tty/serial/8250/8250_aspeed_vuart.c aspeed_vuart_handle_irq() -> serial8250_modem_status()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | up | 4096-ptr_max |
| DATA_SOURCE | 0 | up | r up_to_u8250p |
| BIT_INFO | 0 | up | 0x1c974bbd01e8000,0xffffffffffffffff |
| BIT_INFO | 0 | up | 0x1c974bbd01e8000,0xffffffffffffffff |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| HOST_DATA | 0 | up->port.sysrq_ch | 1-255 |
| LOCK2 | &port->lock | ||
| LOCK2 | flags | ||
| HALF_LOCKED2 | &i->lock | ||
| TYPE_LOCK | (struct uart_port)->lock |
drivers/tty/serial/8250/8250_core.c serial8250_resume_port() -> serial8250_modem_status()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | up | 4096-ptr_max |
| PARAM_VALUE | 0 | up->canary | 0 |
| PARAM_VALUE | 0 | up->console_msr_work_allow | 1 |
| PARAM_VALUE | 0 | up->msr_saved_flags | 1-255 |
| PARAM_VALUE | 0 | up->port.cons | 4096-ptr_max |
| PARAM_VALUE | 0 | up->port.line | 0-s16max,4294934528-u32max |
| PARAM_VALUE | 0 | up->port.suspended | 0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | &port->lock | ||
| LOCK2 | irq | ||
| TYPE_LOCK | (struct uart_port)->lock |