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Subject: Re: [PATCH v2] platform/x86: pmc_atom: Match all Beckhoff Automation
 baytrail boards with critclk_systems DMI table
To:     Steffen Dirkwinkel <linux-kernel-dev@beckhoff.com>
Cc:     Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Mark Gross <mgross@linux.intel.com>,
        platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org,
        Steffen Dirkwinkel <s.dirkwinkel@beckhoff.com>
References: <CAHp75VeTK9TstuRCqOkVit9U7sV7TA_xcTQ1yZPGfLdZSt7_Gg@mail.gmail.com>
 <20210412133006.397679-1-linux-kernel-dev@beckhoff.com>
From:   Hans de Goede <hdegoede@redhat.com>
Message-ID: <99cf068d-1ead-e3a2-124e-1db4025afdc4@redhat.com>
Date:   Tue, 13 Apr 2021 10:15:22 +0200
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Hi,

On 4/12/21 3:30 PM, Steffen Dirkwinkel wrote:
> From: Steffen Dirkwinkel <s.dirkwinkel@beckhoff.com>
> 
> pmc_plt_clk* clocks are used for ethernet controllers, so need to stay
> turned on. This adds the affected board family to critclk_systems DMI
> table, so the clocks are marked as CLK_CRITICAL and not turned off.
> 
> This replaces the previously listed boards with a match for the whole
> device family CBxx63. CBxx63 matches only baytrail devices.
> There are new affected boards that would otherwise need to be listed.
> There are unaffected boards in the family, but having the clocks
> turned on is not an issue.
> 
> Fixes: 648e921888ad ("clk: x86: Stop marking clocks as CLK_IS_CRITICAL")
> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
> Signed-off-by: Steffen Dirkwinkel <s.dirkwinkel@beckhoff.com>

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


> ---
>  drivers/platform/x86/pmc_atom.c | 28 ++--------------------------
>  1 file changed, 2 insertions(+), 26 deletions(-)
> 
> diff --git a/drivers/platform/x86/pmc_atom.c b/drivers/platform/x86/pmc_atom.c
> index ca684ed760d1..a9d2a4b98e57 100644
> --- a/drivers/platform/x86/pmc_atom.c
> +++ b/drivers/platform/x86/pmc_atom.c
> @@ -393,34 +393,10 @@ static const struct dmi_system_id critclk_systems[] = {
>  	},
>  	{
>  		/* pmc_plt_clk* - are used for ethernet controllers */
> -		.ident = "Beckhoff CB3163",
> +		.ident = "Beckhoff Baytrail",
>  		.matches = {
>  			DMI_MATCH(DMI_SYS_VENDOR, "Beckhoff Automation"),
> -			DMI_MATCH(DMI_BOARD_NAME, "CB3163"),
> -		},
> -	},
> -	{
> -		/* pmc_plt_clk* - are used for ethernet controllers */
> -		.ident = "Beckhoff CB4063",
> -		.matches = {
> -			DMI_MATCH(DMI_SYS_VENDOR, "Beckhoff Automation"),
> -			DMI_MATCH(DMI_BOARD_NAME, "CB4063"),
> -		},
> -	},
> -	{
> -		/* pmc_plt_clk* - are used for ethernet controllers */
> -		.ident = "Beckhoff CB6263",
> -		.matches = {
> -			DMI_MATCH(DMI_SYS_VENDOR, "Beckhoff Automation"),
> -			DMI_MATCH(DMI_BOARD_NAME, "CB6263"),
> -		},
> -	},
> -	{
> -		/* pmc_plt_clk* - are used for ethernet controllers */
> -		.ident = "Beckhoff CB6363",
> -		.matches = {
> -			DMI_MATCH(DMI_SYS_VENDOR, "Beckhoff Automation"),
> -			DMI_MATCH(DMI_BOARD_NAME, "CB6363"),
> +			DMI_MATCH(DMI_PRODUCT_FAMILY, "CBxx63"),
>  		},
>  	},
>  	{
>