The devm_clk_get_enabled() helpers:
- call devm_clk_get()
- call clk_prepare_enable() and register what is needed in order to
call clk_disable_unprepare() when needed, as a managed resource.
This simplifies the code and avoids the calls to clk_disable_unprepare().
Signed-off-by: ying zuxin <yingzuxin@xxxxxxxx>
---
drivers/video/fbdev/mmp/hw/mmp_ctrl.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/drivers/video/fbdev/mmp/hw/mmp_ctrl.c b/drivers/video/fbdev/mmp/hw/mmp_ctrl.c
index a20a2c408127..03e23173198c 100644
--- a/drivers/video/fbdev/mmp/hw/mmp_ctrl.c
+++ b/drivers/video/fbdev/mmp/hw/mmp_ctrl.c
@@ -512,16 +512,13 @@ static int mmphw_probe(struct platform_device *pdev)
}
/* get clock */
- ctrl->clk = devm_clk_get(ctrl->dev, mi->clk_name);
+ ctrl->clk = devm_clk_get_enabled(ctrl->dev, mi->clk_name);
if (IS_ERR(ctrl->clk)) {
ret = PTR_ERR(ctrl->clk);
dev_err_probe(ctrl->dev, ret,
"unable to get clk %s\n", mi->clk_name);
goto failed;
}
- ret = clk_prepare_enable(ctrl->clk);
- if (ret)
- goto failed;
/* init global regs */
ctrl_set_default(ctrl);
@@ -556,7 +553,6 @@ static int mmphw_probe(struct platform_device *pdev)
path_deinit(path_plat);
}
- clk_disable_unprepare(ctrl->clk);
failed:
dev_err(&pdev->dev, "device init failed\n");
--
2.39.0
