[V9,8/8] powerpc: Enable support for new DRC devtree properties
diff mbox

Message ID 148109495293.193207.8739036690257904427.stgit@powerkvm6.aus.stglabs.ibm.com
State Superseded
Headers show

Commit Message

Michael Bringmann Dec. 7, 2016, 7:16 a.m. UTC
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 <mwb@linux.vnet.ibm.com>
---
 arch/powerpc/kernel/prom_init.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Comments

Nathan Fontenot Dec. 12, 2016, 3:40 p.m. UTC | #1
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 <mwb@linux.vnet.ibm.com>

Reviewed-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>

> ---
>  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 */
>

Patch
diff mbox

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 */