Re: [PATCH 2/4] platform/x86/amd/pmc: Only run IRQ1 firmware version check on Cezanne

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On Mon, 18 Dec 2023, Ilpo Järvinen wrote:

> On Mon, 11 Dec 2023, Mario Limonciello wrote:
> 
> > amd_pmc_wa_czn_irq1() only runs on Cezanne platforms currently but
> > may be extended to other platforms in the future.  Rename the function
> > and only check platform firmware version when it's called for a Cezanne
> > based platform.
> > 
> > Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx>
> > ---
> >  drivers/platform/x86/amd/pmc/pmc.c | 21 ++++++++++++---------
> >  1 file changed, 12 insertions(+), 9 deletions(-)
> > 
> > diff --git a/drivers/platform/x86/amd/pmc/pmc.c b/drivers/platform/x86/amd/pmc/pmc.c
> > index 666cc6e98267..824673a8673e 100644
> > --- a/drivers/platform/x86/amd/pmc/pmc.c
> > +++ b/drivers/platform/x86/amd/pmc/pmc.c
> > @@ -756,19 +756,22 @@ static int amd_pmc_get_os_hint(struct amd_pmc_dev *dev)
> >  	return -EINVAL;
> >  }
> >  
> > -static int amd_pmc_czn_wa_irq1(struct amd_pmc_dev *pdev)
> > +static int amd_pmc_wa_irq1(struct amd_pmc_dev *pdev)
> >  {
> >  	struct device *d;
> >  	int rc;
> >  
> > -	if (!pdev->major) {
> > -		rc = amd_pmc_get_smu_version(pdev);
> > -		if (rc)
> > -			return rc;
> > -	}
> > +	/* cezanne platform firmware has a fix in 64.66.0 */
> > +	if (pdev->cpu_id == AMD_CPU_ID_CZN) {
> > +		if (!pdev->major) {
> > +			rc = amd_pmc_get_smu_version(pdev);
> > +			if (rc)
> > +				return rc;
> > +		}
> >  
> > -	if (pdev->major > 64 || (pdev->major == 64 && pdev->minor > 65))
> > -		return 0;
> > +		if (pdev->major > 64 || (pdev->major == 64 && pdev->minor > 65))
> > +			return 0;
> > +	}
> >  
> >  	d = bus_find_device_by_name(&serio_bus, NULL, "serio0");
> >  	if (!d)
> > @@ -928,7 +931,7 @@ static int amd_pmc_suspend_handler(struct device *dev)
> >  	struct amd_pmc_dev *pdev = dev_get_drvdata(dev);
> >  
> >  	if (pdev->cpu_id == AMD_CPU_ID_CZN && !disable_workarounds) {
> > -		int rc = amd_pmc_czn_wa_irq1(pdev);
> > +		int rc = amd_pmc_wa_irq1(pdev);
> >  
> >  		if (rc) {
> >  			dev_err(pdev->dev, "failed to adjust keyboard wakeup: %d\n", rc);
> > 
> 
> Hi Mario,
> 
> This doesn't look necessary for the fix in this series, right?
> 
> I'd prefer to leave it to next and only take 1,3-4 to fixes.

Nevermind, I was just blind. :-/

-- 
 i.

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