* [PATCH] cpufreq: add speedstep support for Intel Mobile Pentium P-4 with 533 MHz FSB
@ 2003-06-24 18:34 Dominik Brodowski
2003-06-26 0:51 ` Dave Jones
0 siblings, 1 reply; 2+ messages in thread
From: Dominik Brodowski @ 2003-06-24 18:34 UTC (permalink / raw)
To: davej, cpufreq
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);
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2003-06-24 18:34 [PATCH] cpufreq: add speedstep support for Intel Mobile Pentium P-4 with 533 MHz FSB Dominik Brodowski
2003-06-26 0:51 ` Dave Jones
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