X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=drivers%2Fclocksource%2Facpi_pm.c;h=5ca1d80de182bfa3bb333f0aeca907f7929ed26c;hb=af55ff675a8461da6a632320710b050af4366e0c;hp=7b46faf22318c31f57072e73ae711d86afc7ba45;hpb=8269cc4e2b0ddcdcb9e7f2034c464ef8613737a1;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/clocksource/acpi_pm.c b/drivers/clocksource/acpi_pm.c
index 7b46faf2231..5ca1d80de18 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);