修改4g拨号为QMI,需要在系统里后台执行quectel-CM

hc

2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5

 kernel/arch/alpha/kernel/irq_i8259.c
..
..
@@ -82,11 +82,6 @@
82
82
 void __init
83
83
 init_i8259a_irqs(void)
84
84
 {
85
-	static struct irqaction cascade = {
86
-		.handler	= no_action,
87
-		.name		= "cascade",
88
-	};
89
-
90
85
 	long i;
91
86
 
92
87
 	outb(0xff, 0x21);	/* mask all of 8259A-1 */
..
..
@@ -96,7 +91,8 @@
96
91
 		irq_set_chip_and_handler(i, &i8259a_irq_type, handle_level_irq);
97
92
 	}
98
93
 
99
-	setup_irq(2, &cascade);
94
+	if (request_irq(2, no_action, 0, "cascade", NULL))
95
+		pr_err("Failed to request irq 2 (cascade)\n");
100
96
 }
101
97
 
102
98