[PATCH 2/2] drivers: psci: Allow PSCI node to be disabled

Lorenzo Pieralisi lorenzo.pieralisi at arm.com
Tue Nov 8 09:55:47 PST 2016

From: Thierry Reding <treding at nvidia.com>

Allow disabling PSCI support (mostly for testing purposes) by setting
the status property to "disabled". This makes the node behave in much
the same way as proper device nodes.

Signed-off-by: Thierry Reding <treding at nvidia.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi at arm.com>
Acked-by: Mark Rutland <mark.rutland at arm.com>
 drivers/firmware/psci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/firmware/psci.c b/drivers/firmware/psci.c
index 8263429..6c60a50 100644
--- a/drivers/firmware/psci.c
+++ b/drivers/firmware/psci.c
@@ -630,7 +630,7 @@ int __init psci_dt_init(void)
 	np = of_find_matching_node_and_match(NULL, psci_of_match, &matched_np);
-	if (!np)
+	if (!np || !of_device_is_available(np))
 		return -ENODEV;
 	init_fn = (psci_initcall_t)matched_np->data;

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