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 <gust...@embeddedor.com>
Signed-off-by: Guenter Roeck <li...@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
