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drivers: psci: Allow PSCI node to be disabled

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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@nvidia.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Thierry Reding 2016-11-08 17:55:47 +00:00 committed by Arnd Bergmann
parent ea8b1c4a60
commit d09a0011ec
1 changed files with 1 additions and 1 deletions
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2
drivers/firmware/psci.c
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@ -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;