linux-kernel - Re: [PATCH 1/2] pci: add misrouted interrupt error handling

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Date:	Tue, 5 Aug 2008 09:42:07 -0600
From:	Bjorn Helgaas <bjorn.helgaas@...com>
To:	James Bottomley <James.Bottomley@...senpartnership.com>
Cc:	linux-scsi <linux-scsi@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-pci@...r.kernel.org
Subject: Re: [PATCH 1/2] pci: add misrouted interrupt error handling

On Monday 04 August 2008 06:02:27 pm James Bottomley wrote:
> On Mon, 2008-08-04 at 14:43 -0600, Bjorn Helgaas wrote:
> > On Sunday 03 August 2008 12:02:12 pm James Bottomley wrote:
> > > +static void pci_note_irq_problem(struct pci_dev *pdev, const char *reason)
> > > +{
> > > +	struct pci_dev *parent = to_pci_dev(pdev->dev.parent);
> > > +
> > > +	dev_printk(KERN_ERR, &pdev->dev,
> > > +		   "Potentially misrouted IRQ (Bridge %s %04x:%04x)\n",
> > > +		   parent->dev.bus_id, parent->vendor, parent->device);
> > 
> > Do you prefer "dev_printk(KERN_ERR, ...)" over "dev_err(...)"?  Easier
> > to grep for the former, maybe?  If so, should we deprecate "dev_err()"
> > and friends?  When I converted most of the PCI core to use dev_printk(),
> > (80ccba1186d48f ...) I used dev_err(), but I don't really care one way
> > or the other.
> > 
> > Maybe use pci_name(parent)?
> > 
> > I tried to standardize the PCI core on "[%04x/%04x]" for vendor/device ID.
> 
> To be honest I'm not really interested too much in the various API
> preferences ... they can be fixed up later by the people who care.

I'm happy to fix it up later if you prefer.  I only mentioned it
because doing it later adds churn and risk of breakage.

Bjorn
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