[PATCH v2] usb: chipidea: msm: Use device-managed registration API

From: Chuhong Yuan
Date: Sun Sep 01 2019 - 21:43:54 EST


Use devm_reset_controller_register to get rid
of manual unregistration.

Signed-off-by: Chuhong Yuan <hslester96@xxxxxxxxx>
---
Changes in v2:
- Remove not needed err_fs.

drivers/usb/chipidea/ci_hdrc_msm.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/usb/chipidea/ci_hdrc_msm.c b/drivers/usb/chipidea/ci_hdrc_msm.c
index bb4645a8ca46..af648ba6544d 100644
--- a/drivers/usb/chipidea/ci_hdrc_msm.c
+++ b/drivers/usb/chipidea/ci_hdrc_msm.c
@@ -216,13 +216,13 @@ static int ci_hdrc_msm_probe(struct platform_device *pdev)
ci->rcdev.ops = &ci_hdrc_msm_reset_ops;
ci->rcdev.of_node = pdev->dev.of_node;
ci->rcdev.nr_resets = 2;
- ret = reset_controller_register(&ci->rcdev);
+ ret = devm_reset_controller_register(&pdev->dev, &ci->rcdev);
if (ret)
return ret;

ret = clk_prepare_enable(ci->fs_clk);
if (ret)
- goto err_fs;
+ return ret;

reset_control_assert(reset);
usleep_range(10000, 12000);
@@ -232,7 +232,7 @@ static int ci_hdrc_msm_probe(struct platform_device *pdev)

ret = clk_prepare_enable(ci->core_clk);
if (ret)
- goto err_fs;
+ return ret;

ret = clk_prepare_enable(ci->iface_clk);
if (ret)
@@ -271,8 +271,6 @@ static int ci_hdrc_msm_probe(struct platform_device *pdev)
clk_disable_unprepare(ci->iface_clk);
err_iface:
clk_disable_unprepare(ci->core_clk);
-err_fs:
- reset_controller_unregister(&ci->rcdev);
return ret;
}

@@ -284,7 +282,6 @@ static int ci_hdrc_msm_remove(struct platform_device *pdev)
ci_hdrc_remove_device(ci->ci);
clk_disable_unprepare(ci->iface_clk);
clk_disable_unprepare(ci->core_clk);
- reset_controller_unregister(&ci->rcdev);

return 0;
}
--
2.20.1