From f996a5f79f62e17ec3bbf0d0bda46d81ddf6fcb3 Mon Sep 17 00:00:00 2001
From: "Andrew F. Davis" <afd@ti.com>
Date: Thu, 30 Aug 2018 12:13:57 -0500
Subject: [PATCH] PSCI: Do not flush cache when unneeded
When a platform enables its caches before it accesses the
psci_non_cpu_pd_nodes structure then explicit cache maintenance
is not needed.
Signed-off-by: Andrew F. Davis <afd@ti.com>
---
lib/psci/psci_common.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/lib/psci/psci_common.c b/lib/psci/psci_common.c
index 3bc03c884..97aeb8323 100644
--- a/lib/psci/psci_common.c
+++ b/lib/psci/psci_common.c
@@ -267,7 +267,7 @@ static plat_local_state_t *psci_get_req_local_pwr_states(unsigned int pwrlvl,
static plat_local_state_t get_non_cpu_pd_node_local_state(
unsigned int parent_idx)
{
-#if !(USE_COHERENT_MEM || HW_ASSISTED_COHERENCY)
+#if !(USE_COHERENT_MEM || HW_ASSISTED_COHERENCY || WARMBOOT_ENABLE_DCACHE_EARLY)
flush_dcache_range(
(uintptr_t) &psci_non_cpu_pd_nodes[parent_idx],
sizeof(psci_non_cpu_pd_nodes[parent_idx]));
@@ -283,7 +283,7 @@ static void set_non_cpu_pd_node_local_state(unsigned int parent_idx,
plat_local_state_t state)
{
psci_non_cpu_pd_nodes[parent_idx].local_state = state;
-#if !(USE_COHERENT_MEM || HW_ASSISTED_COHERENCY)
+#if !(USE_COHERENT_MEM || HW_ASSISTED_COHERENCY || WARMBOOT_ENABLE_DCACHE_EARLY)
flush_dcache_range(
(uintptr_t) &psci_non_cpu_pd_nodes[parent_idx],
sizeof(psci_non_cpu_pd_nodes[parent_idx]));
--
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