linux-kernel - [PATCH] video: fbdev: aty: radeon_pm: mark expected switch fall-throughs

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Message-ID: <20171106224001.GA1754@embeddedor.com>
Date:   Mon, 6 Nov 2017 16:40:01 -0600
From:   "Gustavo A. R. Silva" <garsilva@...eddedor.com>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Cc:     linux-fbdev@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <garsilva@...eddedor.com>
Subject: [PATCH] video: fbdev: aty: radeon_pm: mark expected switch
 fall-throughs

In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Signed-off-by: Gustavo A. R. Silva <garsilva@...eddedor.com>
---
 drivers/video/fbdev/aty/radeon_pm.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/video/fbdev/aty/radeon_pm.c b/drivers/video/fbdev/aty/radeon_pm.c
index f7c253d..7137c12 100644
--- a/drivers/video/fbdev/aty/radeon_pm.c
+++ b/drivers/video/fbdev/aty/radeon_pm.c
@@ -1208,9 +1208,11 @@ static void radeon_pm_enable_dll_m10(struct radeonfb_info *rinfo)
 	case 1:
 		if (mc & 0x4)
 			break;
+		/* fall through */
 	case 2:
 		dll_sleep_mask |= MDLL_R300_RDCK__MRDCKB_SLEEP;
 		dll_reset_mask |= MDLL_R300_RDCK__MRDCKB_RESET;
+		/* fall through */
 	case 0:
 		dll_sleep_mask |= MDLL_R300_RDCK__MRDCKA_SLEEP;
 		dll_reset_mask |= MDLL_R300_RDCK__MRDCKA_RESET;
@@ -1219,6 +1221,7 @@ static void radeon_pm_enable_dll_m10(struct radeonfb_info *rinfo)
 	case 1:
 		if (!(mc & 0x4))
 			break;
+		/* fall through */
 	case 2:
 		dll_sleep_mask |= MDLL_R300_RDCK__MRDCKD_SLEEP;
 		dll_reset_mask |= MDLL_R300_RDCK__MRDCKD_RESET;
-- 
2.7.4