linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Guenter Roeck <linux@roeck-us.net>
To: Paul Burton <paul.burton@mips.com>, James Hogan <jhogan@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>,
	linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org,
	Guenter Roeck <linux@roeck-us.net>,
	"Gustavo A . R . Silva" <gustavo@embeddedor.com>
Subject: [PATCH] MIPS: OCTEON: octeon-usb: Mark expected switch fall-through
Date: Mon,  5 Aug 2019 03:41:55 -0700	[thread overview]
Message-ID: <1565001715-22966-1-git-send-email-linux@roeck-us.net> (raw)

Since commit a035d552a93b ("Makefile: Globally enable fall-through
warning"), cavium_octeon_defconfig builds fail with

In file included from
arch/mips/cavium-octeon/octeon-usb.c:12:
arch/mips/cavium-octeon/octeon-usb.c: In function 'dwc3_octeon_clocks_start':
include/linux/device.h:1499:2: error: this statement may fall through
  _dev_err(dev, dev_fmt(fmt), ##__VA_ARGS__)
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/mips/cavium-octeon/octeon-usb.c:399:3: note:
			in expansion of macro 'dev_err'
  dev_err(dev, "Invalid ref_clk %u, using 100000000 instead\n",
  ^~~~~~~
arch/mips/cavium-octeon/octeon-usb.c:401:2: note: here
  case 100000000:
  ^~~~~~~

Mark the switch case to expect fall through.

Cc: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
---
 arch/mips/cavium-octeon/octeon-usb.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/mips/cavium-octeon/octeon-usb.c b/arch/mips/cavium-octeon/octeon-usb.c
index 1f730ded5224..8a16ab37aa11 100644
--- a/arch/mips/cavium-octeon/octeon-usb.c
+++ b/arch/mips/cavium-octeon/octeon-usb.c
@@ -398,6 +398,7 @@ static int dwc3_octeon_clocks_start(struct device *dev, u64 base)
 	default:
 		dev_err(dev, "Invalid ref_clk %u, using 100000000 instead\n",
 			clock_rate);
+		/* Fall through */
 	case 100000000:
 		mpll_mul = 0x19;
 		if (ref_clk_sel < 2)
-- 
2.7.4


             reply	other threads:[~2019-08-05 10:42 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-05 10:41 Guenter Roeck [this message]
2019-08-06 18:15 ` [PATCH] MIPS: OCTEON: octeon-usb: Mark expected switch fall-through Philippe Mathieu-Daudé

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1565001715-22966-1-git-send-email-linux@roeck-us.net \
    --to=linux@roeck-us.net \
    --cc=gustavo@embeddedor.com \
    --cc=jhogan@kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mips@vger.kernel.org \
    --cc=paul.burton@mips.com \
    --cc=ralf@linux-mips.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).