linux-kernel - [PATCH] drm/gma500: remove unnecessary config

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Date:   Wed, 24 Aug 2016 01:42:54 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Daniel Vetter <daniel.vetter@...el.com>,
        dri-devel@...ts.freedesktop.org
Cc:     Patrik Jakobsson <patrik.r.jakobsson@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] drm/gma500: remove unnecessary config_enabled() guard

Commit d112a8163f83 ("gma500/cdv: Add eDP support") replaced the
code inside this if-conditional with gma_backlight_set(), which
becomes a nop stub if CONFIG_BACKLIGHT_CLASS_DEVICE is disabled.
So, there is no need to guard the caller with config_enabled().

Note:
This is one of remaining TODOs to deprecate config_enabled() macro.
Refer to commit 97f2645f358b ("tree-wide: replace config_enabled()
with IS_ENABLED()").

Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
---

 drivers/gpu/drm/gma500/opregion.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/gma500/opregion.c b/drivers/gpu/drm/gma500/opregion.c
index ab696ca..eab6d88 100644
--- a/drivers/gpu/drm/gma500/opregion.c
+++ b/drivers/gpu/drm/gma500/opregion.c
@@ -163,10 +163,7 @@ static u32 asle_set_backlight(struct drm_device *dev, u32 bclp)
 	if (bclp > 255)
 		return ASLE_BACKLIGHT_FAILED;
 
-	if (config_enabled(CONFIG_BACKLIGHT_CLASS_DEVICE)) {
-		int max = bd->props.max_brightness;
-		gma_backlight_set(dev, bclp * max / 255);
-	}
+	gma_backlight_set(dev, bclp * bd->props.max_brightness / 255);
 
 	asle->cblv = (bclp * 0x64) / 0xff | ASLE_CBLV_VALID;
 
-- 
1.9.1