1/*- 2 * Copyright (c) 2004 Colin Percival 3 * Copyright (c) 2005 Nate Lawson 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted providing that the following conditions 8 * are met: --- 12 unchanged lines hidden (view full) --- 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 23 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28#include <sys/cdefs.h> |
29__FBSDID("$FreeBSD: head/sys/i386/cpufreq/est.c 142203 2005-02-22 06:31:45Z njl $"); |
30 31#include <sys/param.h> 32#include <sys/bus.h> 33#include <sys/cpu.h> 34#include <sys/kernel.h> 35#include <sys/module.h> 36#include <sys/smp.h> 37#include <sys/systm.h> --- 550 unchanged lines hidden (view full) --- 588 589static int 590est_probe(device_t dev) 591{ 592 const freq_info *f; 593 device_t perf_dev; 594 uint64_t msr; 595 int error, type; |
596 597 if (resource_disabled("est", 0)) 598 return (ENXIO); |
599 600 /* 601 * If the ACPI perf driver has attached and is not just offering 602 * info, let it manage things. 603 */ 604 perf_dev = device_find_child(device_get_parent(dev), "acpi_perf", -1); 605 if (perf_dev && device_is_attached(perf_dev)) { 606 error = CPUFREQ_DRV_TYPE(perf_dev, &type); --- 182 unchanged lines hidden --- |