Function report |
Source Code:arch\x86\kernel\apic\io_apic.c |
Create Date:2022-07-28 08:29:38 |
| Last Modify:2020-03-16 21:24:45 | Copyright©Brick |
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| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:irq_polarity
Proto:static int irq_polarity(int idx)
Type:int
Parameter:
| Type | Parameter | Name |
|---|---|---|
| int | idx |
| 806 | Case & == MP_IRQPOL_DEFAULT |
| 808 | If st_bit - Determine whether a bit is set*@nr: bit number to test*@addr: Address to start counting from Then Return default_ISA_polarity(idx) |
| 810 | Else Return default_PCI_polarity(idx) |
| 812 | Case & == MP_IRQPOL_ACTIVE_HIGH |
| 813 | Return IOAPIC_POL_HIGH |
| 814 | Case & == MP_IRQPOL_RESERVED |
| 815 | pr_warn("IOAPIC: Invalid polarity: 2, defaulting to low\n") |
| 817 | Case & == MP_IRQPOL_ACTIVE_LOW |
| 818 | Default |
| 819 | Return IOAPIC_POL_LOW |
| Name | Describe |
|---|---|
| acpi_get_override_irq |
| Source code conversion tool public plug-in interface | X |
|---|---|
| Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion |