Re: [PATCH] Unify sysfs filenames for firmware version

[Jonathan McDowell <noodles@earth.li>]

On Tue, Nov 20, 2007 at 11:35:26AM -0500, James Smart wrote:
> The hearburn I have with these patches is that you are changing
> driver-specific attributes, not common ones as enforced/requested by a
> subsystem. As such, you are breaking a management interface for
> existing tools/scripts.

Yes, that's true. Though at present we have the heartburn that anyone
wanting to write a script to pull out firmware revisions has to know
exactly where every driver stores this information.

> There's been a long-standing request to create common device
> attributes, such as fw_version, but I don't think they ever made it
> into the kernel. Not only would the names be consistent, but the
> location would be consistent as well.
> 
> I'd rather you took on that work, than proceed with these patches.

Do you have a pointer to previous discussion about this? A central
device attribute does make more sense. It'd be nice to have uniform
access to details like the driver version as well.
 
> Jonathan McDowell wrote:
> >Looking around sysfs in an attempt to pull out SCSI card firmware
> >versions I found 5 different filenames used to store the information.
> >Only one, fw_version, was used more than once. The patch below changes
> >the other drivers to use this filename too.
> >
> >I suspect the same applies to other subsystem drivers as well. I'll look
> >at them assuming this patch is well received.

J.

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