Re: [Resend][PATCH] ACPI / glue: Drop .find_bridge() callback from struct acpi_bus_type

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wednesday, February 27, 2013 02:20:32 PM Greg Kroah-Hartman wrote:
> On Wed, Feb 27, 2013 at 11:06:52PM +0100, Rafael J. Wysocki wrote:
> > From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
> > 
> > After PCI has stopped using the .find_bridge() callback in
> > struct acpi_bus_type, the only remaining users of it are SATA and
> > USB.  However, SATA only pretends to be a user, because it points
> > that callback to a stub always returning -ENODEV, and USB uses it
> > incorrectly, because as a result of the way it is used by USB every
> > device in the system that doesn't have a bus type or parent is
> > passed to usb_acpi_find_device() for inspection.
> > 
> > What USB actually needs, though, is to call usb_acpi_find_device()
> > for USB ports that don't have a bus type defined, but have
> > usb_port_device_type as their device type.
> 
> Ick, that's not good.  Can you have the original creator of that code
> (someone else from Intel, I can't remember at the moment), fix that up
> properly and send me patches?

That won't be necessary afer this patch.  Or do you want to fix up USB
separately first?

Rafael


-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
--
To unsubscribe from this list: send the line "unsubscribe linux-ide" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Filesystems]     [Linux SCSI]     [Linux RAID]     [Git]     [Kernel Newbies]     [Linux Newbie]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Samba]     [Device Mapper]

  Powered by Linux