Re: Getting the correct asix AX88178 usb gige driver in mainline?

On Thursday 07 July 2011 19:23:50 Marc MERLIN wrote:

On Thu, Jul 07, 2011 at 02:55:36PM +0200, Arnd Bergmann wrote:

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On Wednesday 06 July 2011, Marc MERLIN wrote:

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The patch I mentioned was merged back in 2006, for 2.6.19. Either that
patch was never complete and is missing support for your hardware, or
it broke since then. You should probably try an old kernel to see if it's
actually a regression.

Thanks for the details Arnd, I'll see if I can boot 2.6.19 on that laptop
and report back.

I would perhaps try something less ancient first, 2.6.27-longterm would be
a good candidate. If it was working at some point but broken later, chances
are that it wasn't broken until a few years ago, rather than shortly after
it was merged.

So, it was problematic to build and boot old kernels for that system, but I
tried my USB adapter in older systems with older kernels.

2.6.20 and 2.6.22.1 both were able to bring the interface up and DHCP.
2.6.24.3 was NOT able to.
Neither was 2.6.34.1.

Not a lot has changed int hat driver between 2.6.22 and 2.6.24, so you could
try

git diff v2.6.22..v2.6.24 drivers/net/usb/asix.c  | patch -Rp1 

on the latest version and see if that helps. There are some rejects, but
those all look harmless.

	Arnd