linux-kernel - Re: [RFC] pci_bus conversion to struct device

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Date:	Thu, 18 Jan 2007 09:14:06 +0100
From:	Martin Mares <mj@....cz>
To:	Matthew Wilcox <matthew@....cx>
Cc:	Greg KH <greg@...ah.com>, colpatch@...ibm.com,
	linux-kernel@...r.kernel.org, linux-pci@...ey.karlin.mff.cuni.cz
Subject: Re: [RFC] pci_bus conversion to struct device

Hello!

> I recommend we just delete the pci_bus class.  I don't think it serves
> any useful purpose.  The bridge can be inferred frmo the sysfs hierarchy
> (not to mention lspci will tell you).  The cpuaffinity file should be
> moved from the bus to the device -- it really doesn't make any sense to
> talk about which cpu a bus is affine to, only a device.

It doesn't seem to serve any useful purpose other than the affinity now,
but I still think that it conceptually belongs there, because it makes
sense to have per-bus attributes. For example, in the future we could
show data width and signalling speed.

				Have a nice fortnight
-- 
Martin `MJ' Mares                          <mj@....cz>   http://mj.ucw.cz/
Faculty of Math and Physics, Charles University, Prague, Czech Rep., Earth
"I invented the term Object-Oriented, and I can tell you I did not have C++ in mind." -- Alan Kay
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