linux-kernel - [PATCH v2] drm/mediatek: remove unnecessary conversion to bool

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Date:   Tue, 16 Jun 2020 14:51:01 +0800
From:   Bernard Zhao <bernard@...o.com>
To:     Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Matthias Brugger <matthias.bgg@...il.com>,
        dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     opensource.kernel@...o.com, Bernard Zhao <bernard@...o.com>
Subject: [PATCH v2] drm/mediatek: remove unnecessary conversion to bool

In function mtk_dsi_clk_hs_state, remove unnecessary conversion
to bool return, this change is to make the code a bit readable.

Signed-off-by: Bernard Zhao <bernard@...o.com>
---
Changes since V1:
*optimize to make the code a bit more clear.

Link for V1:
*https://lore.kernel.org/patchwork/patch/1255327/
---
 drivers/gpu/drm/mediatek/mtk_dsi.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
index 4491e64b3f06..840cc9b9efc8 100644
--- a/drivers/gpu/drm/mediatek/mtk_dsi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
@@ -316,10 +316,7 @@ static void mtk_dsi_lane0_ulp_mode_leave(struct mtk_dsi *dsi)
 
 static bool mtk_dsi_clk_hs_state(struct mtk_dsi *dsi)
 {
-	u32 tmp_reg1;
-
-	tmp_reg1 = readl(dsi->regs + DSI_PHY_LCCON);
-	return ((tmp_reg1 & LC_HS_TX_EN) == 1);
+	return (readl(dsi->regs + DSI_PHY_LCCON) & LC_HS_TX_EN);
 }
 
 static void mtk_dsi_clk_hs_mode(struct mtk_dsi *dsi, bool enter)
-- 
2.17.1