linux-kernel - Re: [PATCH V1] PCI: dwc: Use dev_info for PCIe link down event logging

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Date:   Tue, 18 Oct 2022 11:43:29 -0500
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Jon Hunter <jonathanh@...dia.com>
Cc:     Vidya Sagar <vidyas@...dia.com>, jingoohan1@...il.com,
        gustavo.pimentel@...opsys.com, lpieralisi@...nel.org,
        robh@...nel.org, kw@...ux.com, bhelgaas@...gle.com,
        treding@...dia.com, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org, kthota@...dia.com,
        mmaddireddy@...dia.com, sagar.tv@...il.com,
        "linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>
Subject: Re: [PATCH V1] PCI: dwc: Use dev_info for PCIe link down event
 logging

On Tue, Oct 18, 2022 at 07:21:54AM +0100, Jon Hunter wrote:
> Hi Bjorn,
> 
> On 13/09/2022 11:12, Vidya Sagar wrote:
> > Some of the platforms (like Tegra194 and Tegra234) have open slots and
> > not having an endpoint connected to the slot is not an error.
> > So, changing the macro from dev_err to dev_info to log the event.
> > 
> > Signed-off-by: Vidya Sagar <vidyas@...dia.com>
> > ---
> >   drivers/pci/controller/dwc/pcie-designware.c | 2 +-
> >   1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/drivers/pci/controller/dwc/pcie-designware.c b/drivers/pci/controller/dwc/pcie-designware.c
> > index 650a7f22f9d0..25154555aa7a 100644
> > --- a/drivers/pci/controller/dwc/pcie-designware.c
> > +++ b/drivers/pci/controller/dwc/pcie-designware.c
> > @@ -456,7 +456,7 @@ int dw_pcie_wait_for_link(struct dw_pcie *pci)
> >   	}
> >   	if (retries >= LINK_WAIT_MAX_RETRIES) {
> > -		dev_err(pci->dev, "Phy link never came up\n");
> > +		dev_info(pci->dev, "Phy link never came up\n");
> >   		return -ETIMEDOUT;
> >   	}
> 
> 
> Are you OK to take this change?

When this came up, Lorenzo was in the middle of a big move and I was
covering for him while he was unavailable.  But he's back, and I'm
sure he will resolve this soon.

Personally I'm OK either way.

Bjorn