linux-kernel - [PATCH 4/8] video: ep93xx: Prepare clock before using it

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Date:   Mon, 26 Jul 2021 14:50:48 +0300
From:   Nikita Shubin <nikita.shubin@...uefel.me>
To:     Alexander Sverdlin <alexander.sverdlin@...il.com>,
        Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     dri-devel@...ts.freedesktop.org (open list:FRAMEBUFFER LAYER),
        linux-fbdev@...r.kernel.org (open list:FRAMEBUFFER LAYER),
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 4/8] video: ep93xx: Prepare clock before using it

From: Alexander Sverdlin <alexander.sverdlin@...il.com>

Use clk_prepare_enable()/clk_disable_unprepare() in preparation for switch
to Common Clock Framework.

Signed-off-by: Alexander Sverdlin <alexander.sverdlin@...il.com>
---
 drivers/video/fbdev/ep93xx-fb.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/video/fbdev/ep93xx-fb.c b/drivers/video/fbdev/ep93xx-fb.c
index ba33b4dce0df..2398b3d48fed 100644
--- a/drivers/video/fbdev/ep93xx-fb.c
+++ b/drivers/video/fbdev/ep93xx-fb.c
@@ -548,7 +548,7 @@ static int ep93xxfb_probe(struct platform_device *pdev)
 	}
 
 	ep93xxfb_set_par(info);
-	clk_enable(fbi->clk);
+	clk_prepare_enable(fbi->clk);
 
 	err = register_framebuffer(info);
 	if (err)
@@ -577,7 +577,7 @@ static int ep93xxfb_remove(struct platform_device *pdev)
 	struct ep93xx_fbi *fbi = info->par;
 
 	unregister_framebuffer(info);
-	clk_disable(fbi->clk);
+	clk_disable_unprepare(fbi->clk);
 	ep93xxfb_dealloc_videomem(info);
 	fb_dealloc_cmap(&info->cmap);
 
-- 
2.26.2