[PATCH 007/141] gpio: Fix fall-through warnings for Clang

[Gustavo A. R. Silva]

In preparation to enable -Wimplicit-fallthrough for Clang, fix multiple
warnings by explicitly adding a break and a fallthrough statements
instead of just letting the code fall through to the next case.

Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@xxxxxxxxxx>
---
 drivers/gpio/gpio-ath79.c   | 1 +
 drivers/gpio/gpiolib-acpi.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/gpio/gpio-ath79.c b/drivers/gpio/gpio-ath79.c
index d5359341cc6b..678ddd375891 100644
--- a/drivers/gpio/gpio-ath79.c
+++ b/drivers/gpio/gpio-ath79.c
@@ -123,6 +123,7 @@ static int ath79_gpio_irq_set_type(struct irq_data *data,
 	switch (flow_type) {
 	case IRQ_TYPE_EDGE_RISING:
 		polarity |= mask;
+		fallthrough;
 	case IRQ_TYPE_EDGE_FALLING:
 	case IRQ_TYPE_EDGE_BOTH:
 		break;
diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
index 834a12f3219e..23fa9df8241d 100644
--- a/drivers/gpio/gpiolib-acpi.c
+++ b/drivers/gpio/gpiolib-acpi.c
@@ -548,6 +548,7 @@ acpi_gpio_to_gpiod_flags(const struct acpi_resource_gpio *agpio)
 		default:
 			break;
 		}
+		break;
 	default:
 		break;
 	}
-- 
2.27.0