Re: 3.19: device name associates with IRQ's for ahci controllers operating with a single IRQ changed from "ahci?" to "<BDF>"

From: Tejun Heo
Date: Mon Mar 02 2015 - 14:10:58 EST

On Mon, Mar 02, 2015 at 06:58:10PM +0000, Alexander Gordeev wrote:
> On Mon, Mar 02, 2015 at 12:21:08PM -0500, Tejun Heo wrote:
> > Hello,
> >
> > On Mon, Feb 16, 2015 at 05:28:42PM +0000, Alexander Gordeev wrote:
> > > The problem dates back to commit 4f37b50 ("libata: Use dev_name() for
> > > request_irq() to distinguish devices"). If the commit is considered valid
> > > then <BDF> still might be legitimate as well. Not sure what is the best
> > > approach here.
> >
> > What does <BDF> indicate? Does it successfully identify the device in
> > question?
> I suppose, PCI bus-device-function.
> Yes, it does.

Hmmm... it does stand out like a sore thumb and we probably should use
a more descriptive identifier including the driver name. 4f37b50
("libata: Use dev_name() was fine for the specific platform device as
the device identifier included ide but not generally. :(

How about driver name followed by device ID?


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