gpio: mark expected switch fall-throughs
In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/gpio/gpio-aspeed.c b/drivers/gpio/gpio-aspeed.c
index bfc5399..00dc1c0 100644
--- a/drivers/gpio/gpio-aspeed.c
+++ b/drivers/gpio/gpio-aspeed.c
@@ -411,13 +411,16 @@ static int aspeed_gpio_set_type(struct irq_data *d, unsigned int type)
switch (type & IRQ_TYPE_SENSE_MASK) {
case IRQ_TYPE_EDGE_BOTH:
type2 |= bit;
+ /* fall through */
case IRQ_TYPE_EDGE_RISING:
type0 |= bit;
+ /* fall through */
case IRQ_TYPE_EDGE_FALLING:
handler = handle_edge_irq;
break;
case IRQ_TYPE_LEVEL_HIGH:
type0 |= bit;
+ /* fall through */
case IRQ_TYPE_LEVEL_LOW:
type1 |= bit;
handler = handle_level_irq;
diff --git a/drivers/gpio/gpio-ath79.c b/drivers/gpio/gpio-ath79.c
index f33d4a5..02e56e0 100644
--- a/drivers/gpio/gpio-ath79.c
+++ b/drivers/gpio/gpio-ath79.c
@@ -132,6 +132,7 @@ static int ath79_gpio_irq_set_type(struct irq_data *data,
case IRQ_TYPE_LEVEL_HIGH:
polarity |= mask;
+ /* fall through */
case IRQ_TYPE_LEVEL_LOW:
type |= mask;
break;
diff --git a/drivers/gpio/gpio-stmpe.c b/drivers/gpio/gpio-stmpe.c
index 16cbc57..001a89d 100644
--- a/drivers/gpio/gpio-stmpe.c
+++ b/drivers/gpio/gpio-stmpe.c
@@ -299,7 +299,7 @@ static void stmpe_dbg_show_one(struct seq_file *s,
if (ret < 0)
return;
edge_det = !!(ret & mask);
-
+ /* fall through */
case STMPE1801:
rise_reg = stmpe->regs[STMPE_IDX_GPRER_LSB + bank];
fall_reg = stmpe->regs[STMPE_IDX_GPFER_LSB + bank];
@@ -312,7 +312,7 @@ static void stmpe_dbg_show_one(struct seq_file *s,
if (ret < 0)
return;
fall = !!(ret & mask);
-
+ /* fall through */
case STMPE801:
case STMPE1600:
irqen_reg = stmpe->regs[STMPE_IDX_IEGPIOR_LSB + bank];