[PATCH] omap4: Fix ULPI PHY init for ES1.0 SDP (Re: 4430SDP boot failure)

[Paul Walmsley]

On Fri, 14 Jan 2011, Russell King - ARM Linux wrote:

> If it helps, here's what I do - not only do I run a few of the standard
> defconfigs in the tree, but I also run a number of platform specific
> builds, both covering platforms I do and do not have.  I'll pick a random
> selection of existing build trees to rebuild and see what the results are.
> This shows the spread of trees which I've built over the last year - and
> note that many of these I don't even have:
> 
> drwxrwxr-x. 20 rmk rmk   4096 Jan 14 20:30 omap4
> drwxrwxr-x. 21 rmk rmk   4096 Jan 14 11:45 versatile
> drwxrwxr-x. 21 rmk rmk   4096 Jan 14 11:14 iop13xx
> drwxrwxr-x. 20 rmk rmk   4096 Jan 13 23:10 vexpress
> drwxrwxr-x. 21 rmk rmk   4096 Jan 11 13:48 integrator
> drwxrwxr-x. 21 rmk rmk   4096 Jan 11 13:44 realview
> drwxrwxr-x. 21 rmk rmk   4096 Jan  8 11:10 assabet
> drwxrwxr-x. 21 rmk rmk   4096 Jan  8 11:07 rpc
> drwxrwxr-x. 21 rmk rmk   4096 Jan  7 17:34 omap3
> drwxrwxr-x. 20 rmk rmk   4096 Jan  6 14:24 nommu
> drwxrwxr-x. 21 rmk rmk   4096 Jan  6 10:44 omap2
> drwxrwxr-x. 21 rmk rmk   4096 Jan  6 10:27 omap
> drwxrwxr-x. 21 rmk rmk   4096 Jan  6 10:24 u300
> drwxrwxr-x. 21 rmk rmk   4096 Jan  5 19:14 pxa
> drwxrwxr-x. 21 rmk rmk   4096 Jan  5 10:30 msm
> drwxrwxr-x. 21 rmk rmk   4096 Jan  4 17:25 orion-kirkwood
> drwxrwxr-x. 21 rmk rmk   4096 Dec 24 11:06 ks8695
> drwxrwxr-x. 21 rmk rmk   4096 Dec 16 16:12 s3c2410
> drwxrwxr-x. 21 rmk rmk   4096 Dec 11 17:17 ixp4xx
> drwxrwxr-x. 20 rmk rmk   4096 Oct  9 22:59 netwinder2
> drwxrwxr-x. 21 rmk rmk   4096 Sep  5 23:54 ebsa285
> drwxrwxr-x. 21 rmk rmk   4096 Aug  4  2010 zylonite
> drwxrwxr-x. 21 rmk rmk   4096 Jul  8  2010 ep93xx
> drwxrwxr-x. 21 rmk rmk   4096 Jun 29  2010 corgi
> drwxrwxr-x. 21 rmk rmk   4096 Apr 25  2010 ebsa110
> drwxrwxr-x. 21 rmk rmk   4096 Mar 25  2010 clps711x
> drwxrwxr-x. 21 rmk rmk   4096 Mar 24  2010 ixp23xx
> drwxrwxr-x. 21 rmk rmk   4096 Mar 20  2010 n2100
> drwxrwxr-x. 21 rmk rmk   4096 Feb 19  2010 iop32x
> drwxrwxr-x. 21 rmk rmk   4096 Jan 20  2010 mx1
> drwxrwxr-x. 21 rmk rmk   4096 Jan 10  2010 w90p910evb
> 
> omap4 = 4430SDP only (I have). 
> omap3 = 3430LDP (I have) + 3430SDP + RX51 (I don't)
> omap2 = H2 (whose config can be traced to 2005 from when I once had one.)
> omap = some random omap1 config
> realview = realview eb/smp only
> assabet = assabet+neponset daugter board
> 
> All those are build trees, built from my git tree with:
> 	make ARCH=arm CROSS_COMPILE=arm-linux- O=../build/$tree <args>
> 
> You can see from the above that I built a kernel for at least orion-kirkwood,
> msm, u300, omap, nommu trees before sending my pull to Linus on the 6th,
> none of which I have (ever) had hardware for.  I also built omap3, omap4,
> and a bunch of the ARM evaluation platforms as well as older platforms
> like RiscPC, but those are hidden by later re-builds for work I've been
> doing since (which is all based upon commit 9e9bc97.)
> 
> I'm not saying that's perfect - it isn't.  It's better than just testing
> the defconfigs - and with regular checking of kautobuild/linux-next, it
> seems to catch quite a bit of really silly stuff.

I wonder if, in a similar vein, you would consider adding a CONFIG_CPU_V6 
plus CONFIG_CPU_V7 config, such as omap2plus_defconfig, into your 
compile-testing regimen, if one is not already present?

That would help catch compile problems like the recent CONFIG_SWP_EMULATE 
one[1].


- Paul

1. _linux-next: omap2plus_defconfig not building_.  linux-arm-kernel
   mailing list thread, started 19 October 2010 by Anand Gadiyar.
   http://comments.gmane.org/gmane.linux.ports.arm.kernel/93694