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[RFC,6/6] powerpc: Enable support for ibm, drc-info devtree property

Message ID 20181214205136.16435.63247.stgit@powerkvm6.aus.stglabs.ibm.com (mailing list archive)
State Changes Requested
Headers show
Series powerpc/pseries: Refactor code to centralize drcinfo parsing | expand

Checks

Context Check Description
snowpatch_ozlabs/apply_patch success next/apply_patch Successfully applied
snowpatch_ozlabs/build-ppc64le fail build failed!
snowpatch_ozlabs/build-ppc64be fail build failed!
snowpatch_ozlabs/build-ppc64e success build succeded & removed 0 sparse warning(s)
snowpatch_ozlabs/build-pmac32 success build succeded & removed 0 sparse warning(s)
snowpatch_ozlabs/checkpatch success total: 0 errors, 0 warnings, 0 checks, 8 lines checked

Commit Message

Michael Bringmann Dec. 14, 2018, 8:51 p.m. UTC 
Enable support for new DRC device tree property "ibm,drc-info"
in initial handshake between the Linux kernel and the front end
processor.

Signed-off-by: Michael Bringmann <mwb@linux.vnet.ibm.com>
---
 arch/powerpc/kernel/prom_init.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index f33ff41..5d20a4d 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -910,7 +910,7 @@  struct ibm_arch_vec {
 		.reserved2 = 0,
 		.reserved3 = 0,
 		.subprocessors = 1,
-		.byte22 = OV5_FEAT(OV5_DRMEM_V2),
+		.byte22 = OV5_FEAT(OV5_DRMEM_V2 | OV5_DRC_INFO),
 		.intarch = 0,
 		.mmu = 0,
 		.hash_ext = 0,