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Date:   Fri, 20 Nov 2020 12:32:51 -0600
From:   "Gustavo A. R. Silva" <>
To:     Wim Van Sebroeck <>,
        Guenter Roeck <>
        "Gustavo A. R. Silva" <>
Subject: [PATCH 057/141] watchdog: Fix fall-through warnings for Clang

In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
by explicitly adding a fallthrough pseudo-keyword instead of letting the
code fall through to the next case.

Signed-off-by: Gustavo A. R. Silva <>
 drivers/watchdog/machzwd.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/watchdog/machzwd.c b/drivers/watchdog/machzwd.c
index 743377c5b173..73f2221f6222 100644
--- a/drivers/watchdog/machzwd.c
+++ b/drivers/watchdog/machzwd.c
@@ -174,6 +174,7 @@ static inline void zf_set_timer(unsigned short new, unsigned char n)
 	case WD2:
 		zf_writeb(COUNTER_2, new > 0xff ? 0xff : new);
+		fallthrough;

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