[PATCH v1 1/1] irqchip/stm32-exti: Use INVALID_HWIRQ definition

[Andy Shevchenko]

Use specific definition for invalid IRQ. It makes the
code uniform in respect to the constant used for that.
No functional change intended.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
 drivers/irqchip/irq-stm32-exti.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-stm32-exti.c b/drivers/irqchip/irq-stm32-exti.c
index a73763d475f0..a6ae9f38aaf0 100644
--- a/drivers/irqchip/irq-stm32-exti.c
+++ b/drivers/irqchip/irq-stm32-exti.c
@@ -170,7 +170,7 @@ static const struct stm32_exti_bank *stm32mp1_exti_banks[] = {
 static struct irq_chip stm32_exti_h_chip;
 static struct irq_chip stm32_exti_h_chip_direct;
 
-#define EXTI_INVALID_IRQ       U8_MAX
+#define EXTI_INVALID_IRQ       ((u8)INVALID_HWIRQ)
 #define STM32MP1_DESC_IRQ_SIZE (ARRAY_SIZE(stm32mp1_exti_banks) * IRQS_PER_BANK)
 
 static const u8 stm32mp1_desc_irq[] = {
-- 
2.35.1