From: Dominik Brodowski <linux@brodo.de>
To: davej@suse.de, cpufreq@www.linux.org.uk
Subject: [PATCH] cpufreq: add speedstep support for Intel Mobile Pentium P-4 with 533 MHz FSB
Date: Tue, 24 Jun 2003 20:34:02 +0200 [thread overview]
Message-ID: <20030624183402.GA10605@brodo.de> (raw)
Add support for newest "Mobile Pentium 4-M" and the new "Mobile Pentium 4 with
533 MHz FSB" processors.
Depends on the speedstep-lib patch sent earlier.
Dominik
diff -ruN linux-original/arch/i386/kernel/cpu/cpufreq/speedstep-lib.c linux/arch/i386/kernel/cpu/cpufreq/speedstep-lib.c
--- linux-original/arch/i386/kernel/cpu/cpufreq/speedstep-lib.c 2003-06-18 11:04:13.000000000 +0200
+++ linux/arch/i386/kernel/cpu/cpufreq/speedstep-lib.c 2003-06-24 20:31:10.000000000 +0200
@@ -148,11 +148,14 @@
return 0;
if (c->x86 == 0xF) {
- /* Intel Pentium 4 Mobile P4-M */
+ /* Intel Mobile Pentium 4-M
+ * or Intel Mobile Pentium 4 with 533 MHz FSB */
if (c->x86_model != 2)
return 0;
- if ((c->x86_mask != 4) && (c->x86_mask != 7))
+ if ((c->x86_mask != 4) && /* B-stepping [M-P4-M] */
+ (c->x86_mask != 7) && /* C-stepping [M-P4-M] */
+ (c->x86_mask != 9)) /* D-stepping [M-P4-M or M-P4/533] */
return 0;
ebx = cpuid_ebx(0x00000001);
next reply other threads:[~2003-06-24 18:34 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-06-24 18:34 Dominik Brodowski [this message]
2003-06-26 0:51 ` [PATCH] cpufreq: add speedstep support for Intel Mobile Pentium P-4 with 533 MHz FSB Dave Jones
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