[PATCH v2 5/7] lib: sbi: Make the root domain instance global variable

[Anup Patel]

We make the the root domain instance global variable so that
platform support and drivers can iterate over the root domain
regions.

Signed-off-by: Anup Patel <anup.patel at wdc.com>
Reviewed-by: Xiang W <wxjstz at 126.com>
Reviewed-by: Alistair Francis <alistair.francis at wdc.com>
---
 include/sbi/sbi_domain.h | 3 +++
 lib/sbi/sbi_domain.c     | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/include/sbi/sbi_domain.h b/include/sbi/sbi_domain.h
index 84d17da..27316de 100644
--- a/include/sbi/sbi_domain.h
+++ b/include/sbi/sbi_domain.h
@@ -80,6 +80,9 @@ struct sbi_domain {
 	bool system_reset_allowed;
 };
 
+/** The root domain instance */
+extern struct sbi_domain root;
+
 /** HART id to domain table */
 extern struct sbi_domain *hartid_to_domain_table[];
 
diff --git a/lib/sbi/sbi_domain.c b/lib/sbi/sbi_domain.c
index 4b5a89f..c95c3c3 100644
--- a/lib/sbi/sbi_domain.c
+++ b/lib/sbi/sbi_domain.c
@@ -29,7 +29,7 @@ static u32 root_memregs_count = 0;
 static struct sbi_domain_memregion root_fw_region;
 static struct sbi_domain_memregion root_memregs[ROOT_REGION_MAX + 1] = { 0 };
 
-static struct sbi_domain root = {
+struct sbi_domain root = {
 	.name = "root",
 	.possible_harts = &root_hmask,
 	.regions = root_memregs,
-- 
2.25.1