[PATCH] x86: Add acpi_user_timer_override option for Asus boards

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / i386 / kernel / acpi / earlyquirk.c

diff --git a/arch/i386/kernel/acpi/earlyquirk.c b/arch/i386/kernel/acpi/earlyquirk.c
index fe799b11ac0a7e9ce0b6707fe561902a4b4ad4ab..c9841692bb7cc1170861044ecd973916373b18d3 100644 (file)
--- a/arch/i386/kernel/acpi/earlyquirk.c
+++ b/arch/i386/kernel/acpi/earlyquirk.c
@@ -27,11 +27,17 @@ static int __init check_bridge(int vendor, int device)
 #ifdef CONFIG_ACPI
        /* According to Nvidia all timer overrides are bogus unless HPET
           is enabled. */
-       if (vendor == PCI_VENDOR_ID_NVIDIA) {
+       if (!acpi_use_timer_override && vendor == PCI_VENDOR_ID_NVIDIA) {
                nvidia_hpet_detected = 0;
                acpi_table_parse(ACPI_HPET, nvidia_hpet_check);
                if (nvidia_hpet_detected == 0) {
                        acpi_skip_timer_override = 1;
+                         printk(KERN_INFO "Nvidia board "
+                       "detected. Ignoring ACPI "
+                       "timer override.\n");
+                printk(KERN_INFO "If you got timer trouble "
+                                "try acpi_use_timer_override\n");
+
                }
        }
 #endif