[PATCH 2/2] platform: generic: allwinner: Optimize current hart scratch access

[Samuel Holland]

The address of the local scratch area is stored in each hart's mscratch
CSR. It is more efficient to read the CSR than to compute the address
from the hart ID.

Signed-off-by: Samuel Holland <samuel.holland at sifive.com>
---

 platform/generic/allwinner/sun20i-d1.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/platform/generic/allwinner/sun20i-d1.c b/platform/generic/allwinner/sun20i-d1.c
index e9388dba..67559b24 100644
--- a/platform/generic/allwinner/sun20i-d1.c
+++ b/platform/generic/allwinner/sun20i-d1.c
@@ -151,7 +151,7 @@ static void sun20i_d1_riscv_cfg_restore(void)
 
 static void sun20i_d1_riscv_cfg_init(void)
 {
-	u64 entry = sbi_hartid_to_scratch(0)->warmboot_addr;
+	u64 entry = sbi_scratch_thishart_ptr()->warmboot_addr;
 
 	/* Enable MMIO access. */
 	writel_relaxed(CCU_BGR_ENABLE, SUN20I_D1_CCU_BASE + RISCV_CFG_BGR_REG);
-- 
2.43.1