This is a note to let you know that I've just added the patch titled
fbdev: mmp: fix value check in mmphw_probe()
to the 6.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
fbdev-mmp-fix-value-check-in-mmphw_probe.patch
and it can be found in the queue-6.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 0872b2c0abc0e84ac82472959c8e14e35277549c Mon Sep 17 00:00:00 2001
From: Yuanjun Gong <ruc_gongyuanjun@xxxxxxx>
Date: Fri, 28 Jul 2023 01:03:18 +0800
Subject: fbdev: mmp: fix value check in mmphw_probe()
From: Yuanjun Gong <ruc_gongyuanjun@xxxxxxx>
commit 0872b2c0abc0e84ac82472959c8e14e35277549c upstream.
in mmphw_probe(), check the return value of clk_prepare_enable()
and return the error code if clk_prepare_enable() returns an
unexpected value.
Fixes: d63028c38905 ("video: mmp display controller support")
Signed-off-by: Yuanjun Gong <ruc_gongyuanjun@xxxxxxx>
Signed-off-by: Helge Deller <deller@xxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/video/fbdev/mmp/hw/mmp_ctrl.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/video/fbdev/mmp/hw/mmp_ctrl.c
+++ b/drivers/video/fbdev/mmp/hw/mmp_ctrl.c
@@ -519,7 +519,9 @@ static int mmphw_probe(struct platform_d
"unable to get clk %s\n", mi->clk_name);
goto failed;
}
- clk_prepare_enable(ctrl->clk);
+ ret = clk_prepare_enable(ctrl->clk);
+ if (ret)
+ goto failed;
/* init global regs */
ctrl_set_default(ctrl);
Patches currently in stable-queue which might be from ruc_gongyuanjun@xxxxxxx are
queue-6.4/fbdev-mmp-fix-value-check-in-mmphw_probe.patch
