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dev/psci: Check all compat strings

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When searching for the PSCI FDT node we only check a few compat strings.
Use the existing compat_data array to check all strings the driver may
attach to.

Sponsored by:	Arm Ltd
Differential Revision:	https://reviews.freebsd.org/D44913
This commit is contained in:
Andrew Turner 2024-04-23 12:27:09 +01:00
parent 797f1c7c3d
commit f91e9401c2
1 changed files with 11 additions and 5 deletions
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16
sys/dev/psci/psci.c
View file

@ -378,12 +378,18 @@ psci_fdt_callfn(psci_callfn_t *callfn)
{
phandle_t node;
node = ofw_bus_find_compatible(OF_peer(0), "arm,psci-0.2");
if (node == 0) {
node = ofw_bus_find_compatible(OF_peer(0), "arm,psci-1.0");
if (node == 0)
return (PSCI_MISSING);
/* XXX: This is suboptimal, we should walk the tree & check each
* node against compat_data, but we only have a few entries so
* it's ok for now.
*/
for (int i = 0; compat_data[i].ocd_str != NULL; i++) {
node = ofw_bus_find_compatible(OF_peer(0),
compat_data[i].ocd_str);
if (node != 0)
break;
}
if (node == 0)
return (PSCI_MISSING);
if (!ofw_bus_node_status_okay(node))
return (PSCI_MISSING);