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| author | jkim <jkim@FreeBSD.org> | 2008-11-19 20:31:38 +0000 |
|---|---|---|
| committer | jkim <jkim@FreeBSD.org> | 2008-11-19 20:31:38 +0000 |
| commit | 7b13c0b67fe4faddf2a0d17534738004968d0549 (patch) | |
| tree | 194c18706d57112592766dc0ee815f35b8c04e29 /sys/dev/acpica | |
| parent | f8948bf5efabc455b0c41ac75815dbba979468c3 (diff) | |
| download | FreeBSD-src-7b13c0b67fe4faddf2a0d17534738004968d0549.zip FreeBSD-src-7b13c0b67fe4faddf2a0d17534738004968d0549.tar.gz | |
Make sure legacy replacement route is turned off when enbling HPET.
Reviewed by: jhb
Diffstat (limited to 'sys/dev/acpica')
| -rw-r--r-- | sys/dev/acpica/acpi_hpet.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sys/dev/acpica/acpi_hpet.c b/sys/dev/acpica/acpi_hpet.c index 77c6a7d..17022bb 100644 --- a/sys/dev/acpica/acpi_hpet.c +++ b/sys/dev/acpica/acpi_hpet.c @@ -83,7 +83,9 @@ hpet_enable(struct acpi_hpet_softc *sc) uint32_t val; val = bus_read_4(sc->mem_res, HPET_CONFIG); - bus_write_4(sc->mem_res, HPET_CONFIG, val | HPET_CNF_ENABLE); + val &= ~HPET_CNF_LEG_RT; + val |= HPET_CNF_ENABLE; + bus_write_4(sc->mem_res, HPET_CONFIG, val); } static void @@ -92,7 +94,8 @@ hpet_disable(struct acpi_hpet_softc *sc) uint32_t val; val = bus_read_4(sc->mem_res, HPET_CONFIG); - bus_write_4(sc->mem_res, HPET_CONFIG, val & ~HPET_CNF_ENABLE); + val &= ~HPET_CNF_ENABLE; + bus_write_4(sc->mem_res, HPET_CONFIG, val); } /* Discover the HPET via the ACPI table of the same name. */ |
