[PATCH v2 1/4] include: sbi: Add sbi_scratch_hartindex() macro

[Anup Patel]

Add helper macro to extract hart index from scratch pointer. This
can be used to check whether scratch pointer belongs to a particular
hart or not.

Signed-off-by: Anup Patel <anup.patel at oss.qualcomm.com>
Reviewed-by: Nicholas Piggin <npiggin at gmail.com>
---
 include/sbi/sbi_scratch.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/include/sbi/sbi_scratch.h b/include/sbi/sbi_scratch.h
index 58d54628..c12aa796 100644
--- a/include/sbi/sbi_scratch.h
+++ b/include/sbi/sbi_scratch.h
@@ -166,9 +166,11 @@ do {									\
 					= (__type)(__ptr);		\
 } while (0)
 
+/** Get the hart index of a particular sbi_scratch */
+#define sbi_scratch_hartindex(__scratch) ((__scratch)->hartindex)
+
 /** Get the hart index of the current hart */
-#define current_hartindex() \
-	(sbi_scratch_thishart_ptr()->hartindex)
+#define current_hartindex() sbi_scratch_hartindex(sbi_scratch_thishart_ptr())
 
 /** Number of harts managed by this OpenSBI instance */
 extern u32 sbi_scratch_hart_count;
-- 
2.43.0