linux-kernel - [PATCH] video: ssd1307fb: add the missed regulator

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Message-Id: <20191118114150.25724-1-hslester96@gmail.com>
Date:   Mon, 18 Nov 2019 19:41:50 +0800
From:   Chuhong Yuan <hslester96@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, Chuhong Yuan <hslester96@...il.com>
Subject: [PATCH] video: ssd1307fb: add the missed regulator_disable

The driver forgets to disable the regulator in remove like what is done
in probe failure.
Add the missed call to fix it.

Signed-off-by: Chuhong Yuan <hslester96@...il.com>
---
 drivers/video/fbdev/ssd1307fb.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c
index 78ca7ffc40c2..819fbee18dda 100644
--- a/drivers/video/fbdev/ssd1307fb.c
+++ b/drivers/video/fbdev/ssd1307fb.c
@@ -791,6 +791,8 @@ static int ssd1307fb_remove(struct i2c_client *client)
 		pwm_disable(par->pwm);
 		pwm_put(par->pwm);
 	}
+	if (par->vbat_reg)
+		regulator_disable(par->vbat_reg);
 	fb_deferred_io_cleanup(info);
 	__free_pages(__va(info->fix.smem_start), get_order(info->fix.smem_len));
 	framebuffer_release(info);
-- 
2.24.0