Author: andrew
Date: Wed Jun 13 12:32:04 2018
New Revision: 335055
URL: https://svnweb.freebsd.org/changeset/base/335055
Log:
Find and cache the PSCI version on driver attach.
Sponsored by: DARPA, AFRL
Modified:
head/sys/dev/psci/psci.c
Modified: head/sys/dev/psci/psci.c
==============================================================================
--- head/sys/dev/psci/psci.c Wed Jun 13 12:26:37 2018 (r335054)
+++ head/sys/dev/psci/psci.c Wed Jun 13 12:32:04 2018 (r335055)
@@ -74,6 +74,7 @@ __FBSDID("$FreeBSD$");
struct psci_softc {
device_t dev;
+ uint32_t psci_version;
uint32_t psci_fnids[PSCI_FN_MAX];
};
@@ -493,6 +494,7 @@ psci_v0_1_init(device_t dev)
sc->psci_fnids[PSCI_FN_MIGRATE] = psci_fnid;
}
+ sc->psci_version = (0 << 16) | 1;
if (bootverbose)
device_printf(dev, "PSCI version 0.1 available\n");
@@ -523,6 +525,7 @@ psci_v0_2_init(device_t dev)
if (version == PSCI_RETVAL_NOT_SUPPORTED)
return (1);
+ sc->psci_version = version;
if ((PSCI_VER_MAJOR(version) == 0 && PSCI_VER_MINOR(version) == 2) ||
PSCI_VER_MAJOR(version) == 1) {
if (bootverbose)
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