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ACPI: prevent ACPI quirk warning mass spamming in logs

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The following patch prevent this warning to be displayed again & again (eg:
nine times on my NForce2 motherboard) and thus improve signal to noise
ratio in logs.

The ATI quirk below probably needs a similar "fix" but I don't have
the hardware to test.

Btw arch/x86_64/kernel/early-quirks.c::nvidia_bugs() would probably need to
be synced (but I don't have an x86_64 NVidia motherboard to boot test it).
Still it shows the usefullity of the recent x86 merge thread.

[akpm@linux-foundation.org: cleanup]
Signed-off-by: Thierry Vignaud <tvignaud@mandriva.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Thierry Vignaud 2007-04-25 15:31:30 -04:00 committed by Len Brown
parent 8aa55591bf
commit b2983f10f8
1 changed files with 4 additions and 1 deletions
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5
arch/i386/kernel/acpi/earlyquirk.c
View file

@ -22,11 +22,14 @@ static int __init nvidia_hpet_check(struct acpi_table_header *header)
static int __init check_bridge(int vendor, int device)
{
static int warned;
#ifdef CONFIG_ACPI
/* According to Nvidia all timer overrides are bogus unless HPET
is enabled. */
if (!acpi_use_timer_override && vendor == PCI_VENDOR_ID_NVIDIA) {
if (acpi_table_parse(ACPI_SIG_HPET, nvidia_hpet_check)) {
if (!warned && acpi_table_parse(ACPI_SIG_HPET,
nvidia_hpet_check)) {
warned = 1;
acpi_skip_timer_override = 1;
printk(KERN_INFO "Nvidia board "
"detected. Ignoring ACPI "