Thread (13 messages) 13 messages, 4 authors, 2013-09-06

RE: [V2,2/2] powerpc/85xx: workaround for chips with MSI hardware errata

From: Jia Hongtao-B38951 <hidden>
Date: 2013-09-05 04:00:17

-----Original Message-----
From: Jia Hongtao-B38951
Sent: Monday, July 01, 2013 5:36 PM
To: Wood Scott-B07421
Cc: linuxppc-dev@lists.ozlabs.org; galak@kernel.crashing.org
Subject: RE: [V2,2/2] powerpc/85xx: workaround for chips with MSI
hardware errata
=20
quoted
-----Original Message-----
From: Wood Scott-B07421
Sent: Friday, June 28, 2013 10:29 AM
To: Jia Hongtao-B38951
Cc: linuxppc-dev@lists.ozlabs.org; galak@kernel.crashing.org; Wood
Scott-
B07421
Subject: Re: [V2,2/2] powerpc/85xx: workaround for chips with MSI
hardware errata

On Wed, Apr 03, 2013 at 10:03:18AM +0800, Hongtao Jia wrote:
quoted
The MPIC version 2.0 has a MSI errata (errata PIC1 of mpc8544), It
causes that neither MSI nor MSI-X can work fine. This is a
workaround to allow MSI-X to function properly.

Signed-off-by: Liu Shuo <redacted>
Signed-off-by: Li Yang <redacted>
Signed-off-by: Jia Hongtao <redacted>
Building on 83xx:

  arch/powerpc/sysdev/built-in.o: In function `fsl_of_msi_probe':
  fsl_msi.c:(.text+0x1464): undefined reference to
`fsl_mpic_primary_get_version'
  make[1]: *** [vmlinux] Error 1
  make: *** [sub-make] Error 2

fsl_msi.c supports IPIC as well.

-Scott
=20
Hi Scott,
I updated the patch to fix this compile error just now.
please refer to:
http://patchwork.ozlabs.org/patch/256018/
=20
Thanks.
-Hongtao
Hi Scott,

The 83xx compile issue has already been fixed.
Please have a review on this patch.

Thanks.
-Hongtao
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