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Message-ID: <7bc47fa9-3b8e-23c2-6bf1-ccd230433ed0@redhat.com>
Date:   Sat, 26 Aug 2023 12:26:33 +0200
From:   Hans de Goede <hdegoede@...hat.com>
To:     Mario Limonciello <mario.limonciello@....com>,
        Shyam-sundar.S-k@....com
Cc:     markgross@...nel.org, Patil.Reddy@....com,
        platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] platform/x86/amd/pmf: Fix a missing cleanup path

Hi,

On 8/23/23 20:54, Mario Limonciello wrote:
> On systems that support slider notifications but don't otherwise support
> granular slider the SPS cleanup path doesn't run.
> 
> This means that loading/unloading/loading leads to failures because
> the sysfs files don't get setup properly when reloaded.
> 
> Add the missing cleanup path.Thank you for your patch, I've applied this patch to my review-hans 
branch:
https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/log/?h=review-hans

Note it will show up in my review-hans branch once I've pushed my
local branch there, which might take a while.

Once I've run some tests on this branch the patches there will be
added to the platform-drivers-x86/for-next branch and eventually
will be included in the pdx86 pull-request to Linus for the next
merge-window.

Regards,

Hans




> Fixes: 33c9ab5b493a ("platform/x86/amd/pmf: Notify OS power slider update")
> Signed-off-by: Mario Limonciello <mario.limonciello@....com>



> ---
>  drivers/platform/x86/amd/pmf/core.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/platform/x86/amd/pmf/core.c b/drivers/platform/x86/amd/pmf/core.c
> index 7780705917b76..8f93681c5c9c5 100644
> --- a/drivers/platform/x86/amd/pmf/core.c
> +++ b/drivers/platform/x86/amd/pmf/core.c
> @@ -317,7 +317,8 @@ static void amd_pmf_init_features(struct amd_pmf_dev *dev)
>  
>  static void amd_pmf_deinit_features(struct amd_pmf_dev *dev)
>  {
> -	if (is_apmf_func_supported(dev, APMF_FUNC_STATIC_SLIDER_GRANULAR)) {
> +	if (is_apmf_func_supported(dev, APMF_FUNC_STATIC_SLIDER_GRANULAR) ||
> +	    is_apmf_func_supported(dev, APMF_FUNC_OS_POWER_SLIDER_UPDATE)) {
>  		power_supply_unreg_notifier(&dev->pwr_src_notifier);
>  		amd_pmf_deinit_sps(dev);
>  	}
> 
> base-commit: 65c6ea33e7f63799090158866cdcfdfe8d63ce16

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