From: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
To: Benjamin Gaignard <benjamin.gaignard@linaro.org>,
Vincent Abriou <vincent.abriou@st.com>,
David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
"Gustavo A. R. Silva" <gustavo@embeddedor.com>,
Kees Cook <keescook@chromium.org>
Subject: [PATCH] drm: sti: Mark expected switch fall-throughs
Date: Mon, 29 Jul 2019 17:27:52 -0500 [thread overview]
Message-ID: <20190729222752.GA20277@embeddedor> (raw)
Mark switch cases where we are expecting to fall through.
This patch fixes the following warning (Building: arm):
drivers/gpu/drm/sti/sti_hdmi.c: In function ‘hdmi_audio_configure’:
drivers/gpu/drm/sti/sti_hdmi.c:851:13: warning: this statement may fall through [-Wimplicit-fallthrough=]
audio_cfg |= HDMI_AUD_CFG_CH78_VALID;
drivers/gpu/drm/sti/sti_hdmi.c:852:2: note: here
case 6:
^~~~
drivers/gpu/drm/sti/sti_hdmi.c:853:13: warning: this statement may fall through [-Wimplicit-fallthrough=]
audio_cfg |= HDMI_AUD_CFG_CH56_VALID;
drivers/gpu/drm/sti/sti_hdmi.c:854:2: note: here
case 4:
^~~~
drivers/gpu/drm/sti/sti_hdmi.c:855:13: warning: this statement may fall through [-Wimplicit-fallthrough=]
audio_cfg |= HDMI_AUD_CFG_CH34_VALID | HDMI_AUD_CFG_8CH;
drivers/gpu/drm/sti/sti_hdmi.c:856:2: note: here
case 2:
^~~~
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
---
drivers/gpu/drm/sti/sti_hdmi.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/sti/sti_hdmi.c b/drivers/gpu/drm/sti/sti_hdmi.c
index f03d617edc4c..1617c5098a50 100644
--- a/drivers/gpu/drm/sti/sti_hdmi.c
+++ b/drivers/gpu/drm/sti/sti_hdmi.c
@@ -849,10 +849,13 @@ static int hdmi_audio_configure(struct sti_hdmi *hdmi)
switch (info->channels) {
case 8:
audio_cfg |= HDMI_AUD_CFG_CH78_VALID;
+ /* fall through */
case 6:
audio_cfg |= HDMI_AUD_CFG_CH56_VALID;
+ /* fall through */
case 4:
audio_cfg |= HDMI_AUD_CFG_CH34_VALID | HDMI_AUD_CFG_8CH;
+ /* fall through */
case 2:
audio_cfg |= HDMI_AUD_CFG_CH12_VALID;
break;
--
2.22.0
next reply other threads:[~2019-07-29 22:27 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-29 22:27 Gustavo A. R. Silva [this message]
2019-07-30 9:37 ` [PATCH] drm: sti: Mark expected switch fall-throughs Benjamin Gaignard
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