The current code is fine since 'case CONFIG_IO_DELAY_TYPE_NONE' does nothing, but scripts/checkpatch.pl complains about this:
warning: Possible switch case/default not preceded by break or fallthrough comment I like break statement better than a fallthrough comment here. It avoids the warning and clarify the code. No behavior change is intended. Signed-off-by: Masahiro Yamada <[email protected]> --- arch/x86/kernel/io_delay.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kernel/io_delay.c b/arch/x86/kernel/io_delay.c index 805b7a341aca..3dc874d5d43b 100644 --- a/arch/x86/kernel/io_delay.c +++ b/arch/x86/kernel/io_delay.c @@ -39,6 +39,7 @@ void native_io_delay(void) * are shorter until calibrated): */ udelay(2); + break; case CONFIG_IO_DELAY_TYPE_NONE: break; } -- 2.17.1
