EDAC, amd64: Don't treat ECC disabled as failure
Having ECC disabled on a node doesn't necessarily mean that it's disabled for the entire system. So let's return a non-failing code when ECC is disabled on a node. This way we can skip initialization for the node but still continue with the remaining nodes. After probing all instances, make sure we have at least one MC device allocated. This issue is seen and fix tested on Fam15h and Fam17h MCM systems. Signed-off-by: NYazen Ghannam <Yazen.Ghannam@amd.com> Cc: linux-edac <linux-edac@vger.kernel.org> Link: http://lkml.kernel.org/r/1485537863-2707-8-git-send-email-Yazen.Ghannam@amd.comSigned-off-by: NBorislav Petkov <bp@suse.de>
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