RE: [PATCH] powerpc/85xx: workaround for chips with MSI hareware errata to support MSI-X

2012-07-16 Thread Jia Hongtao-B38951
> -Original Message- > From: Wood Scott-B07421 > Sent: Tuesday, July 17, 2012 7:20 AM > To: Jia Hongtao-B38951 > Cc: linuxppc-dev@lists.ozlabs.org; ga...@kernel.crashing.org; > soniccat@gmail.com > Subject: Re: [PATCH] powerpc/85xx: workaround for chips with MSI

RE: [PATCH] powerpc/85xx: workaround for chips with MSI hareware errata to support MSI-X

2012-07-16 Thread Jia Hongtao-B38951
> -Original Message- > From: Wood Scott-B07421 > Sent: Tuesday, July 17, 2012 7:20 AM > To: Jia Hongtao-B38951 > Cc: linuxppc-dev@lists.ozlabs.org; ga...@kernel.crashing.org; > soniccat@gmail.com > Subject: Re: [PATCH] powerpc/85xx: workaround for chips with MSI

Re: [PATCH] powerpc/85xx: workaround for chips with MSI hareware errata to support MSI-X

2012-07-16 Thread Scott Wood
On 07/15/2012 10:35 PM, Jia Hongtao wrote: > From: Liu Shuo > > The MPIC chip with version 2.0 has a MSI errata (errata PIC1 of mpc8544), > It causes that neither MSI nor MSI-X can work fine. There is a workaround > to allow MSI-X to function properly. s/There is/This is/ There is also a workar

[PATCH] powerpc/85xx: workaround for chips with MSI hareware errata to support MSI-X

2012-07-15 Thread Jia Hongtao
From: Liu Shuo The MPIC chip with version 2.0 has a MSI errata (errata PIC1 of mpc8544), It causes that neither MSI nor MSI-X can work fine. There is a workaround to allow MSI-X to function properly. Signed-off-by: Liu Shuo Signed-off-by: Li Yang --- arch/powerpc/include/asm/mpic.h |3 ++