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gpio: ath79: Fix fall-through warning for Clang

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In preparation to enable -Wimplicit-fallthrough for Clang, fix a
warning by explicitly adding a fallthrough pseudo-keyword to indicate
that the code is intended to fall through to the next case.

Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
This commit is contained in:
Gustavo A. R. Silva 2020-11-19 11:09:01 -06:00 committed by Bartosz Golaszewski
parent bc5d098432
commit d49ee56292
1 changed files with 1 additions and 0 deletions
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drivers/gpio/gpio-ath79.c
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@ -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;