linux-kernel - [PATCH] usb: musb: add code comment for clarification

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Message-ID: <20170210185741.Horde.COi5P2LIGO-PnrSRuI3ipGV@gator4166.hostgator.com>
Date:   Fri, 10 Feb 2017 18:57:41 -0600
From:   "Gustavo A. R. Silva" <garsilva@...eddedor.com>
To:     Bin Liu <b-liu@...com>
Cc:     gregkh@...uxfoundation.org, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] usb: musb: add code comment for clarification

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

Signed-off-by: Gustavo A. R. Silva <garsilva@...eddedor.com>
---
  drivers/usb/musb/musb_core.c | 1 +
  1 file changed, 1 insertion(+)

diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 892088f..1aec986 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -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,
-- 
2.5.0