Re: [PATCH 1/4] PCI: Replace dev_*() printk wrappers with pci_*() printk wrappers

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On Sun, Apr 28, 2019 at 07:02:58PM -0500, Bjorn Helgaas wrote:
> On Sat, Apr 27, 2019 at 02:13:01PM -0500, fred@xxxxxxxxxxxx wrote:
> > From: Frederick Lawler <fred@xxxxxxxxxxxx>
> > 
> > Replace remaining instances of dev_*() printk wrappers with pci_*()
> > printk wrappers. No functional change intended.
> > 
> > Signed-off-by: Frederick Lawler <fred@xxxxxxxxxxxx>
> > ---
> >  drivers/pci/pcie/aer.c        | 13 ++++++-------
> >  drivers/pci/pcie/aer_inject.c |  4 ++--
> >  drivers/pci/pcie/dpc.c        | 27 ++++++++++++---------------
> >  3 files changed, 20 insertions(+), 24 deletions(-)

> >  	aer_enable_rootport(rpc);
> > -	dev_info(device, "AER enabled with IRQ %d\n", dev->irq);
> > +	pci_info(pdev, "AER enabled with IRQ %d\n", dev->irq);
> 
> And this, and many others below.  *This* patch should only convert
> 
>   - pci_printk(KERN_DEBUG, pdev, ...)
>   + pci_info(pdev, ...)
> 
> and
> 
>   - dev_printk(KERN_DEBUG, pcie_dev, ...)
>   + dev_info(pcie_dev, ...)

Just to clarify, I do *want* both changes, just in separate patches.
So we'd have

  1) Convert KERN_DEBUG uses to pci_info() for pci_dev usage and to
     dev_info() for pcie_device usage.  I think pciehp is probably an
     exception to this; this patch shouldn't touch ctrl_dbg().

  2) Convert "dev_info(pcie_device)" to "pci_info(pci_dev)".  It might
     be worth doing this in separate patches for each service.  If we
     decide they're simple enough to combine, that's trivial for me to
     do.  It's a little more hassle to split things up afterwards.

     In pciehp, if you do this in the ctrl_*() definitions, it will
     make the patch much smaller.

  3) In pciehp, ctrl_dbg() could probably be changed to use pci_dbg()
     so we'd use the standard kernel dynamic debug stuff instead of
     having the pciehp-specific module parameter.

Thanks a lot for working on all this.  I think it will make the user
experience significantly simpler.

Bjorn



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