linux-kernel - [PATCH 3/3] drm/sun4i: backend: Clarify sun4i_backend_layer

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Message-Id: <20170425152505.6796-4-wens@csie.org>
Date:   Tue, 25 Apr 2017 23:25:05 +0800
From:   Chen-Yu Tsai <wens@...e.org>
To:     Maxime Ripard <maxime.ripard@...e-electrons.com>,
        David Airlie <airlied@...ux.ie>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     Chen-Yu Tsai <wens@...e.org>, dri-devel@...ts.freedesktop.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-sunxi@...glegroups.com
Subject: [PATCH 3/3] drm/sun4i: backend: Clarify sun4i_backend_layer_enable debug message

sun4i_backend_layer_enable can be called to enable or disable a layer.
However the debug message always says "Enable", which is confusing.

This patch makes the debug message vary according to the enable state.

Signed-off-by: Chen-Yu Tsai <wens@...e.org>
---
 drivers/gpu/drm/sun4i/sun4i_backend.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.c b/drivers/gpu/drm/sun4i/sun4i_backend.c
index e9eca057ff35..e53107418add 100644
--- a/drivers/gpu/drm/sun4i/sun4i_backend.c
+++ b/drivers/gpu/drm/sun4i/sun4i_backend.c
@@ -73,7 +73,8 @@ void sun4i_backend_layer_enable(struct sun4i_backend *backend,
 {
 	u32 val;
 
-	DRM_DEBUG_DRIVER("Enabling layer %d\n", layer);
+	DRM_DEBUG_DRIVER("%sabling layer %d\n", enable ? "En" : "Dis",
+			 layer);
 
 	if (enable)
 		val = SUN4I_BACKEND_MODCTL_LAY_EN(layer);
-- 
2.11.0