[PATCH V5 8/8] powerpc: Enable support for new DRC devtree properties
From: Michael Bringmann <hidden>
Date: 2016-09-14 20:05:29
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. [V2: Revise constant names.] [V3: No change.] [V4: Update comments] [V5: Resynchronize/resubmit] Signed-off-by: Michael Bringmann <redacted> --- diff -Naur linux-rhel/arch/powerpc/kernel/prom_init.c linux-rhel-patch/arch/powerpc/kernel/prom_init.c
--- linux-rhel/arch/powerpc/kernel/prom_init.c 2016-03-03 07:36:25.000000000 -0600
+++ linux-rhel-patch/arch/powerpc/kernel/prom_init.c 2016-06-20 15:59:58.016373676 -0500@@ -695,7 +695,7 @@ unsigned char ibm_architecture_vec[] = { OV4_MIN_ENT_CAP, /* minimum VP entitled capacity */ /* option vector 5: PAPR/OF options */ - VECTOR_LENGTH(18), /* 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) |
@@ -728,6 +728,10 @@ unsigned char ibm_architecture_vec[] = { OV5_FEAT(OV5_PFO_HW_RNG) | OV5_FEAT(OV5_PFO_HW_ENCR) | OV5_FEAT(OV5_PFO_HW_842), OV5_FEAT(OV5_SUB_PROCESSORS), + 0, + 0, + 0, + OV5_FEAT(OV5_DYN_MEM_V2) | OV5_FEAT(OV5_DRC_INFO), /* option vector 6: IBM PAPR hints */ VECTOR_LENGTH(3), /* length */