Thread (19 messages) 19 messages, 3 authors, 2017-02-01

Re: [PATCH V9 8/8] powerpc: Enable support for new DRC devtree properties

From: Nathan Fontenot <hidden>
Date: 2016-12-12 15:40:46

On 12/07/2016 01:16 AM, Michael Bringmann wrote:
prom_init.c: Enable support for new DRC device tree properties
"ibm,drc-info" and "ibm,dynamic-memory-v2" in initial handshake
between the Linux kernel and the front end processor.

Signed-off-by: Michael Bringmann <redacted>
Reviewed-by: Nathan Fontenot <redacted>
quoted hunk ↗ jump to hunk
---
 arch/powerpc/kernel/prom_init.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 88ac964..6e6454f 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -696,7 +696,7 @@ static void __init early_cmdline_parse(void)
 	OV4_MIN_ENT_CAP,		/* minimum VP entitled capacity */

 	/* option vector 5: PAPR/OF options */
-	VECTOR_LENGTH(21),		/* length */
+	VECTOR_LENGTH(22),		/* length */
 	0,				/* don't ignore, don't halt */
 	OV5_FEAT(OV5_LPAR) | OV5_FEAT(OV5_SPLPAR) | OV5_FEAT(OV5_LARGE_PAGES) |
 	OV5_FEAT(OV5_DRCONF_MEMORY) | OV5_FEAT(OV5_DONATE_DEDICATE_CPU) |
@@ -732,6 +732,7 @@ static void __init early_cmdline_parse(void)
 	0,							/* Byte 19 */
 	0,							/* Byte 20 */
 	OV5_FEAT(OV5_SUB_PROCESSORS),				/* Byte 21 */
+	OV5_FEAT(OV5_DYN_MEM_V2) | OV5_FEAT(OV5_DRC_INFO),	/* Byte 22 */

 	/* option vector 6: IBM PAPR hints */
 	VECTOR_LENGTH(3),		/* length */
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