RE: [V2,2/2] powerpc/85xx: workaround for chips with MSI hardware errata
From: Jia Hongtao-B38951 <hidden>
Date: 2013-07-01 09:36:24
-----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 =20 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>=20 Building on 83xx: =20 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 =20 fsl_msi.c supports IPIC as well. =20 -Scott
Hi Scott, I updated the patch to fix this compile error just now. please refer to: http://patchwork.ozlabs.org/patch/256018/ Thanks. -Hongtao