Date: Tue, 9 Jan 2018 15:57:09 +0000 (UTC) From: Andrew Turner <andrew@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r327728 - head/sys/dev/psci Message-ID: <201801091557.w09Fv9Z2069135@repo.freebsd.org>
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Author: andrew Date: Tue Jan 9 15:57:09 2018 New Revision: 327728 URL: https://svnweb.freebsd.org/changeset/base/327728 Log: Add a function to find the PSCI version the firmware implements from outside the PSCI driver. MFC after: 1 week Sponsored by: DARPA, AFRL Modified: head/sys/dev/psci/psci.c head/sys/dev/psci/psci.h Modified: head/sys/dev/psci/psci.c ============================================================================== --- head/sys/dev/psci/psci.c Tue Jan 9 14:33:05 2018 (r327727) +++ head/sys/dev/psci/psci.c Tue Jan 9 15:57:09 2018 (r327728) @@ -314,7 +314,7 @@ psci_attach(device_t dev, psci_initfn_t psci_init) } static int -psci_get_version(struct psci_softc *sc) +_psci_get_version(struct psci_softc *sc) { uint32_t fnid; @@ -326,6 +326,15 @@ psci_get_version(struct psci_softc *sc) return (PSCI_RETVAL_NOT_SUPPORTED); } +int +psci_get_version(void) +{ + + if (psci_softc == NULL) + return (PSCI_RETVAL_NOT_SUPPORTED); + return (_psci_get_version(psci_softc)); +} + #ifdef FDT static int psci_fdt_callfn(psci_callfn_t *callfn) @@ -487,7 +496,7 @@ psci_v0_2_init(device_t dev) sc->psci_fnids[PSCI_FN_SYSTEM_OFF] = PSCI_FNID_SYSTEM_OFF; sc->psci_fnids[PSCI_FN_SYSTEM_RESET] = PSCI_FNID_SYSTEM_RESET; - version = psci_get_version(sc); + version = _psci_get_version(sc); if (version == PSCI_RETVAL_NOT_SUPPORTED) return (1); Modified: head/sys/dev/psci/psci.h ============================================================================== --- head/sys/dev/psci/psci.h Tue Jan 9 14:33:05 2018 (r327727) +++ head/sys/dev/psci/psci.h Tue Jan 9 15:57:09 2018 (r327728) @@ -41,6 +41,7 @@ int psci_cpu_on(unsigned long, unsigned long, unsigned int psci_hvc_despatch(register_t, register_t, register_t, register_t); int psci_smc_despatch(register_t, register_t, register_t, register_t); +int psci_get_version(void); /* * PSCI return codes.
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