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From: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
To: Kukjin Kim <kgene@kernel.org>,
	Krzysztof Kozlowski <krzk@kernel.org>,
	Sylwester Nawrocki <s.nawrocki@samsung.com>,
	Tomasz Figa <tomasz.figa@gmail.com>,
	Chanwoo Choi <cw00.choi@samsung.com>,
	Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@kernel.org>
Cc: linux-samsung-soc@vger.kernel.org,
	Kees Cook <keescook@chromium.org>,
	"Gustavo A. R. Silva" <gustavo@embeddedor.com>,
	linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH] clk: samsung: s3c2443: Mark expected switch fall-through
Date: Mon, 11 Feb 2019 12:15:31 -0600
Message-ID: <20190211181531.GA3238@embeddedor> (raw)

In preparation to enabling -Wimplicit-fallthrough, mark switch
cases where we are expecting to fall through.

This patch fixes the following warnings:

drivers/clk/samsung/clk-s3c2443.c: In function ‘s3c2443_common_clk_init’:
drivers/clk/samsung/clk-s3c2443.c:390:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
   samsung_clk_register_alias(ctx, s3c2450_aliases,
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     ARRAY_SIZE(s3c2450_aliases));
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/clk/samsung/clk-s3c2443.c:393:2: note: here
  case S3C2416:
  ^~~~

Warning level 3 was used: -Wimplicit-fallthrough=3

Notice that, in this particular case,  the code comment is modified
in accordance with what GCC is expecting to find.

This patch is part of the ongoing efforts to enable
-Wimplicit-fallthrough.

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
---
 drivers/clk/samsung/clk-s3c2443.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/samsung/clk-s3c2443.c b/drivers/clk/samsung/clk-s3c2443.c
index 884067e4f1a1..f38f0e24e3b6 100644
--- a/drivers/clk/samsung/clk-s3c2443.c
+++ b/drivers/clk/samsung/clk-s3c2443.c
@@ -389,7 +389,7 @@ void __init s3c2443_common_clk_init(struct device_node *np, unsigned long xti_f,
 				ARRAY_SIZE(s3c2450_gates));
 		samsung_clk_register_alias(ctx, s3c2450_aliases,
 				ARRAY_SIZE(s3c2450_aliases));
-		/* fall through, as s3c2450 extends the s3c2416 clocks */
+		/* fall through - as s3c2450 extends the s3c2416 clocks */
 	case S3C2416:
 		samsung_clk_register_div(ctx, s3c2416_dividers,
 				ARRAY_SIZE(s3c2416_dividers));
-- 
2.20.1


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Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20190211181544epcas4p1d899221776a647a5bdf21372304bf0d7@epcas4p1.samsung.com>
2019-02-11 18:15 ` Gustavo A. R. Silva [this message]
2019-02-12  0:37   ` Chanwoo Choi
2019-02-12  7:40   ` Krzysztof Kozlowski
2019-02-12 18:57     ` Kees Cook
2019-02-16  0:34       ` Stephen Boyd
2019-02-20 22:26         ` Kees Cook
2019-02-21 21:43           ` Stephen Boyd
2019-02-21 22:23             ` Kees Cook
2019-02-21 21:44   ` Stephen Boyd

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