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powerpc/85xx: workaround for chips with MSI hardware errata
authorHongtao Jia <hongtao.jia@freescale.com>
Thu, 26 Feb 2015 07:23:08 +0000 (15:23 +0800)
committerScott Wood <scottwood@freescale.com>
Tue, 24 Mar 2015 00:51:18 +0000 (19:51 -0500)
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 <soniccat.liu@gmail.com>
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Jia Hongtao <hongtao.jia@freescale.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
arch/powerpc/sysdev/fsl_msi.c patch | blob | history
arch/powerpc/sysdev/fsl_msi.h patch | blob | history

diff --cc arch/powerpc/sysdev/fsl_msi.c
Simple merge
diff --cc arch/powerpc/sysdev/fsl_msi.h
Simple merge
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