函数逻辑报告

函数名称：q_alloc_matrix - Allocate a irq_matrix structure and initialize it*@matrix_bits: Number of matrix bits must be <= IRQ_MATRIX_BITS*@alloc_start: From which bit the allocation search starts*@alloc_end: At which bit the allocation search ends, i

函数原型：__init struct irq_matrix *irq_alloc_matrix(unsigned int matrix_bits, unsigned int alloc_start, unsigned int alloc_end)

返回类型：struct irq_matrix

参数：