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usb: musb: add code comment for clarification

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Add code comment to make it clear that the fall-through is intentional.
Read the link for more details: https://lkml.org/lkml/2017/2/9/292

Addresses-Coverity-ID: 1397608
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Gustavo A. R. Silva 2017-02-14 12:20:39 -06:00 committed by Greg Kroah-Hartman
parent 3ec72a2a1e
commit eff0b85efb
1 changed files with 1 additions and 0 deletions
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drivers/usb/musb/musb_core.c
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@ -1869,6 +1869,7 @@ static void musb_pm_runtime_check_session(struct musb *musb)
return;
}
/* fall through */
case MUSB_QUIRK_A_DISCONNECT_19:
if (musb->quirk_retries--) {
musb_dbg(musb,