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| author |   Ingo Molnar <mingo@elte.hu> | 2008-07-18 22:50:34 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-18 22:50:34 +0200 |
| commit | a208f37a465e222218974ab20a31b42b7b4893b2 (patch) | |
| tree | 77c6acdd4be32024330a14f2618b814126ce7a20 /drivers/clocksource/acpi_pm.c | |
| parent | x86: apic_ops for lguest (diff) | |
| parent | Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2 (diff) | |
| download | linux-dev-a208f37a465e222218974ab20a31b42b7b4893b2.tar.xz linux-dev-a208f37a465e222218974ab20a31b42b7b4893b2.zip | |
Merge branch 'linus' into x86/x2apic
Diffstat (limited to 'drivers/clocksource/acpi_pm.c')
| -rw-r--r-- | drivers/clocksource/acpi_pm.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/clocksource/acpi_pm.c b/drivers/clocksource/acpi_pm.c index 7b46faf22318..5ca1d80de182 100644 --- a/drivers/clocksource/acpi_pm.c +++ b/drivers/clocksource/acpi_pm.c @@ -215,3 +215,22 @@ pm_good: * but we still need to load before device_initcall */ fs_initcall(init_acpi_pm_clocksource); + +/* + * Allow an override of the IOPort. Stupid BIOSes do not tell us about + * the PMTimer, but we might know where it is. + */ +static int __init parse_pmtmr(char *arg) +{ + unsigned long base; + + if (strict_strtoul(arg, 16, &base)) + return -EINVAL; + + printk(KERN_INFO "PMTMR IOPort override: 0x%04x -> 0x%04lx\n", + (unsigned int)pmtmr_ioport, base); + pmtmr_ioport = base; + + return 1; +} +__setup("pmtmr=", parse_pmtmr); |