[bsp][rt1050] Fix the pin driver GCC build warning. | 修复pin驱动gcc编译警告.

liu2guang · liu2guang · commit 03ef0fc58dd9 · 2018-08-31T14:46:23.000+08:00
diff --git a/bsp/imxrt1052-evk/drivers/drv_pin.c b/bsp/imxrt1052-evk/drivers/drv_pin.c
@@ -362,7 +362,7 @@ void GPIO5_Combined_0_15_IRQHandler(void)
 
 static IRQn_Type rt1052_get_irqnum(GPIO_Type *gpio, rt_uint32_t gpio_pin)
 {
-    IRQn_Type irq_num; 
+    IRQn_Type irq_num = -100;  /* Invalid interrupt number */
     
     if(gpio == GPIO1)
     {

Original file line number	Diff line number	Diff line change
`@@ -362,7 +362,7 @@ void GPIO5_Combined_0_15_IRQHandler(void)`
`362`	`362`
`363`	`363`	`static IRQn_Type rt1052_get_irqnum(GPIO_Type *gpio, rt_uint32_t gpio_pin)`
`364`	`364`	`{`
`365`		`- IRQn_Type irq_num;`
	`365`	`+ IRQn_Type irq_num = -100; /* Invalid interrupt number */`
`366`	`366`
`367`	`367`	`if(gpio == GPIO1)`
`368`	`368`	`{`