函数源码 |
Source File:kernel\irq\generic-chip.c |
Create Date:2022-07-27 11:13:14 |
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503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 | /** * irq_setup_alt_chip - Switch to alternative chip * @d: irq_data for this interrupt * @type: Flow type to be initialized * * Only to be called from chip->irq_set_type() callbacks. */int irq_setup_alt_chip(struct irq_data *d, unsigned int type){ struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); struct irq_chip_type *ct = gc->chip_types; unsigned int i; for (i = 0; i < gc->num_ct; i++, ct++) { if (ct->type & type) { d->chip = &ct->chip; irq_data_to_desc(d)->handle_irq = ct->handler; return 0; } } return -EINVAL;} |