From: Andrey Panin <pazke@donpac.ru>
To: Andrew Morton <akpm@osdl.org>, linux-kernel@vger.kernel.org
Subject: [PATCH 4/6] 2.6.7-mm1, port powernow-k7 driver to new DMI probing
Date: Wed, 23 Jun 2004 16:44:47 +0400 [thread overview]
Message-ID: <10879946874140@donpac.ru> (raw)
In-Reply-To: <10879946822631@donpac.ru>
This patch ports powernow-k7 driver to new DMI probing API.
Signed-off-by: Andrey Panin <pazke@donpac.ru>
arch/i386/kernel/cpu/cpufreq/powernow-k7.c | 28 +++++++++++++++++++++++++++-
arch/i386/kernel/dmi_scan.c | 20 --------------------
2 files changed, 27 insertions(+), 21 deletions(-)
diff -urpN -X /usr/share/dontdiff linux-2.6.7-mm1.vanilla/arch/i386/kernel/cpu/cpufreq/powernow-k7.c linux-2.6.7-mm1/arch/i386/kernel/cpu/cpufreq/powernow-k7.c
--- linux-2.6.7-mm1.vanilla/arch/i386/kernel/cpu/cpufreq/powernow-k7.c Sun May 23 22:02:03 2004
+++ linux-2.6.7-mm1/arch/i386/kernel/cpu/cpufreq/powernow-k7.c Sun May 23 22:47:59 2004
@@ -22,6 +22,7 @@
#include <linux/cpufreq.h>
#include <linux/slab.h>
#include <linux/string.h>
+#include <linux/dmi.h>
#include <asm/msr.h>
#include <asm/timex.h>
@@ -554,6 +555,31 @@ static unsigned int powernow_get(unsigne
}
+static int __init acer_cpufreq_pst(struct dmi_system_id *d)
+{
+ printk(KERN_WARNING "%s laptop with broken PST tables in BIOS detected.\n", d->ident);
+ printk(KERN_WARNING "You need to downgrade to 3A21 (09/09/2002), or try a newer BIOS than 3A71 (01/20/2003)\n");
+ printk(KERN_WARNING "cpufreq scaling has been disabled as a result of this.\n");
+ return 0;
+}
+
+/*
+ * Some Athlon laptops have really fucked PST tables.
+ * A BIOS update is all that can save them.
+ * Mention this, and disable cpufreq.
+ */
+static struct dmi_system_id __initdata powernow_dmi_table[] = {
+ {
+ .callback = acer_cpufreq_pst,
+ .ident = "Acer Aspire",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Insyde Software"),
+ DMI_MATCH(DMI_BIOS_VERSION, "3A71"),
+ },
+ },
+ { }
+};
+
static int __init powernow_cpu_init (struct cpufreq_policy *policy)
{
union msr_fidvidstatus fidvidstatus;
@@ -572,7 +598,7 @@ static int __init powernow_cpu_init (str
}
dprintk(KERN_INFO PFX "FSB: %3d.%03d MHz\n", fsb/1000, fsb%1000);
- if ((dmi_broken & BROKEN_CPUFREQ) || acpi_force) {
+ if (dmi_check_system(powernow_dmi_table) || acpi_force) {
printk (KERN_INFO PFX "PSB/PST known to be broken. Trying ACPI instead\n");
result = powernow_acpi_init();
} else {
diff -urpN -X /usr/share/dontdiff linux-2.6.7-mm1.vanilla/arch/i386/kernel/dmi_scan.c linux-2.6.7-mm1/arch/i386/kernel/dmi_scan.c
--- linux-2.6.7-mm1.vanilla/arch/i386/kernel/dmi_scan.c Sun May 23 22:43:24 2004
+++ linux-2.6.7-mm1/arch/i386/kernel/dmi_scan.c Sun May 23 22:48:38 2004
@@ -400,15 +400,6 @@ static __init int broken_ps2_resume(stru
return 0;
}
-static __init int acer_cpufreq_pst(struct dmi_blacklist *d)
-{
- printk(KERN_WARNING "%s laptop with broken PST tables in BIOS detected.\n", d->ident);
- printk(KERN_WARNING "You need to downgrade to 3A21 (09/09/2002), or try a newer BIOS than 3A71 (01/20/2003)\n");
- printk(KERN_WARNING "cpufreq scaling has been disabled as a result of this.\n");
- dmi_broken |= BROKEN_CPUFREQ;
- return 0;
-}
-
/*
* Simple "print if true" callback
@@ -758,17 +749,6 @@ static __initdata struct dmi_blacklist d
{ set_apm_ints, "IBM", { /* Allow interrupts during suspend on IBM laptops */
MATCH(DMI_SYS_VENDOR, "IBM"),
NO_MATCH, NO_MATCH, NO_MATCH
- } },
-
- /*
- * Some Athlon laptops have really fucked PST tables.
- * A BIOS update is all that can save them.
- * Mention this, and disable cpufreq.
- */
- { acer_cpufreq_pst, "Acer Aspire", {
- MATCH(DMI_SYS_VENDOR, "Insyde Software"),
- MATCH(DMI_BIOS_VERSION, "3A71"),
- NO_MATCH, NO_MATCH,
} },
/*
next prev parent reply other threads:[~2004-06-23 12:49 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-23 12:44 [PATCH 0/6] 2.6.7-mm1, port Acer laptop irq routing workaround to new DMI probing Andrey Panin
2004-06-23 12:44 ` [PATCH 1/6] 2.6.7-mm1, port PnP BIOS driver " Andrey Panin
2004-06-23 12:44 ` [PATCH 2/6] 2.6.7-mm1, port sonypi " Andrey Panin
2004-06-23 12:44 ` [PATCH 3/6] 2.6.7-mm1, port PIIX4 SMBUS " Andrey Panin
2004-06-23 12:44 ` Andrey Panin [this message]
2004-06-23 12:44 ` [PATCH 5/6] 2.6.7-mm1, remove unused ASUS K7V-RM DMI quirk Andrey Panin
2004-06-23 12:44 ` [PATCH 6/6] 2.6.7-mm1, port APM BIOS driver to new DMI probing Andrey Panin
2004-06-23 14:53 ` [PATCH 5/6] 2.6.7-mm1, remove unused ASUS K7V-RM DMI quirk Jeff Garzik
2004-06-23 16:53 ` Len Brown
2004-06-24 19:57 ` Pavel Machek
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