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PSCI: Do not flush cache when unneeded

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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>
This commit is contained in:
Andrew F. Davis 2018-08-30 12:13:57 -05:00
parent c98db6c617
commit f996a5f79f
1 changed files with 2 additions and 2 deletions
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4
lib/psci/psci_common.c
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@ -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]));