[PATCH v3 2/2] thermal: mediatek: change clk_prepare_enable to devm_clk_get_enabled in mtk_thermal_probe
Kang Chen
void0red at hust.edu.cn
Mon Apr 17 03:15:02 PDT 2023
> 2023年4月17日 17:52，Daniel Lezcano <daniel.lezcano at linaro.org> 写道：
>
>
> Hi,
>
> this patch does not apply:
>
> Analyzing 9 messages in the thread
> Will use the latest revision: v3
> You can pick other revisions using the -vN flag
> Checking attestation on all messages, may take a moment...
> ---
> [PATCH v3 2/2] thermal: mediatek: change clk_prepare_enable to devm_clk_get_enabled in mtk_thermal_probe
> + Signed-off-by: Daniel Lezcano <daniel.lezcano at linaro.org>
> + Link: https://lore.kernel.org/r/20230411063531.3976354-2-void0red@hust.edu.cn
> ---
> Total patches: 1 (cherrypicked: 2)
> ---
> Link: https://lore.kernel.org/r/20230411063531.3976354-1-void0red@hust.edu.cn
> Base: not specified
> Applying: thermal: mediatek: change clk_prepare_enable to devm_clk_get_enabled in mtk_thermal_probe
> error: patch failed: drivers/thermal/mediatek/auxadc_thermal.c:1182
> error: drivers/thermal/mediatek/auxadc_thermal.c: patch does not apply
> Patch failed at 0001 thermal: mediatek: change clk_prepare_enable to devm_clk_get_enabled in mtk_thermal_probe
Could you show me your work tree? I can apply it on mainline-6.3-rc7...
> hint: Use 'git am --show-current-patch=diff' to see the failed patch
> When you have resolved this problem, run "git am --continue".
> If you prefer to skip this patch, run "git am --skip" instead.
> To restore the original branch and stop patching, run "git am --abort".
>
>
>
> On 15/04/2023 09:14, void0red at hust.edu.cn wrote:
>>> -----Original Messages-----
>>> From: "Kang Chen" <void0red at hust.edu.cn>
>>> Sent Time: 2023-04-11 14:35:31 (Tuesday)
>>> To: daniel.lezcano at linaro.org
>>> Cc: amitk at kernel.org, angelogioacchino.delregno at collabora.com, bchihi at baylibre.com, daniel at makrotopia.org, dzm91 at hust.edu.cn, error27 at gmail.com, henry.yen at mediatek.com, hust-os-kernel-patches at googlegroups.com, linux-arm-kernel at lists.infradead.org, linux-kernel at vger.kernel.org, linux-mediatek at lists.infradead.org, linux-pm at vger.kernel.org, matthias.bgg at gmail.com, rafael at kernel.org, rdunlap at infradead.org, rui.zhang at intel.com, void0red at gmail.com, void0red at hust.edu.cn
>>> Subject: [PATCH v3 2/2] thermal: mediatek: change clk_prepare_enable to devm_clk_get_enabled in mtk_thermal_probe
>>>
>>> use devm_clk_get_enabled to do automatic resource management.
>>> Meanwhile, remove error handling labels in the probe function and
>>> the whole remove function.
>>>
>>> Signed-off-by: Kang Chen <void0red at hust.edu.cn>
>>> Reviewed-by: Dongliang Mu <dzm91 at hust.edu.cn>
>>> ---
>>> v3 -> v2: remove some useles func calls.
>>> v2 -> v1: init
>>>
>>> Notice the devm_clk_get_enabled do the clk_get and clk_prepare_enable
>>> at the same time.
>>> I'm not sure if this has any side effects in initialization.
>>>
>>> drivers/thermal/mediatek/auxadc_thermal.c | 48 +++++------------------
>>> 1 file changed, 10 insertions(+), 38 deletions(-)
>>>
>>> diff --git a/drivers/thermal/mediatek/auxadc_thermal.c b/drivers/thermal/mediatek/auxadc_thermal.c
>>> index 3372f7c29626..995837ce3ea2 100644
>>> --- a/drivers/thermal/mediatek/auxadc_thermal.c
>>> +++ b/drivers/thermal/mediatek/auxadc_thermal.c
>>> @@ -1116,14 +1116,6 @@ static int mtk_thermal_probe(struct platform_device *pdev)
>>> mt->conf = of_device_get_match_data(&pdev->dev);
>>> - mt->clk_peri_therm = devm_clk_get(&pdev->dev, "therm");
>>> - if (IS_ERR(mt->clk_peri_therm))
>>> - return PTR_ERR(mt->clk_peri_therm);
>>> -
>>> - mt->clk_auxadc = devm_clk_get(&pdev->dev, "auxadc");
>>> - if (IS_ERR(mt->clk_auxadc))
>>> - return PTR_ERR(mt->clk_auxadc);
>>> -
>>> mt->thermal_base = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);
>>> if (IS_ERR(mt->thermal_base))
>>> return PTR_ERR(mt->thermal_base);
>>> @@ -1182,16 +1174,16 @@ static int mtk_thermal_probe(struct platform_device *pdev)
>>> if (ret)
>>> return ret;
>>> - ret = clk_prepare_enable(mt->clk_auxadc);
>>> - if (ret) {
>>> - dev_err(&pdev->dev, "Can't enable auxadc clk: %d\n", ret);
>>> - return ret;
>>> + mt->clk_auxadc = devm_clk_get_enabled(&pdev->dev, "auxadc");
>>> + if (IS_ERR(mt->clk_auxadc)) {
>>> + dev_err(&pdev->dev, "Can't enable auxadc clk: %d\n", mt->clk_auxadc);
>>> + return PTR_ERR(mt->clk_auxadc);
>>> }
>>> - ret = clk_prepare_enable(mt->clk_peri_therm);
>>> - if (ret) {
>>> - dev_err(&pdev->dev, "Can't enable peri clk: %d\n", ret);
>>> - goto err_disable_clk_auxadc;
>>> + mt->clk_peri_therm = devm_clk_get_enabled(&pdev->dev, "therm");
>>> + if (IS_ERR(mt->clk_peri_therm)) {
>>> + dev_err(&pdev->dev, "Can't enable peri clk: %d\n", mt->clk_peri_therm);
>>> + return PTR_ERR(mt->clk_peri_therm);
>>> }
>>> if (mt->conf->version != MTK_THERMAL_V1) {
>>> @@ -1215,38 +1207,18 @@ static int mtk_thermal_probe(struct platform_device *pdev)
>>> tzdev = devm_thermal_of_zone_register(&pdev->dev, 0, mt,
>>> &mtk_thermal_ops);
>>> - if (IS_ERR(tzdev)) {
>>> - ret = PTR_ERR(tzdev);
>>> - goto err_disable_clk_peri_therm;
>>> - }
>>> + if (IS_ERR(tzdev))
>>> + return PTR_ERR(tzdev);
>>> ret = devm_thermal_add_hwmon_sysfs(tzdev);
>>> if (ret)
>>> dev_warn(&pdev->dev, "error in thermal_add_hwmon_sysfs");
>>> return 0;
>>> -
>>> -err_disable_clk_peri_therm:
>>> - clk_disable_unprepare(mt->clk_peri_therm);
>>> -err_disable_clk_auxadc:
>>> - clk_disable_unprepare(mt->clk_auxadc);
>>> -
>>> - return ret;
>>> -}
>>> -
>>> -static int mtk_thermal_remove(struct platform_device *pdev)
>>> -{
>>> - struct mtk_thermal *mt = platform_get_drvdata(pdev);
>>> -
>>> - clk_disable_unprepare(mt->clk_peri_therm);
>>> - clk_disable_unprepare(mt->clk_auxadc);
>>> -
>>> - return 0;
>>> }
>>> static struct platform_driver mtk_thermal_driver = {
>>> .probe = mtk_thermal_probe,
>>> - .remove = mtk_thermal_remove,
>>> .driver = {
>>> .name = "mtk-thermal",
>>> .of_match_table = mtk_thermal_of_match,
>>> --
>>> 2.34.1
>> ping?
>
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