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>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/gpio/gpio-stmpe.c b/drivers/gpio/gpio-stmpe.c
index 16cbc5702865..001a89db5161 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];