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Kirill Smelkov
linux
Commits
136e7a83
Commit
136e7a83
authored
Jun 10, 2003
by
Linus Torvalds
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Merge
bk://linux-dj.bkbits.net/cpufreq
into home.transmeta.com:/home/torvalds/v2.5/linux
parents
a3d9fcff
6322fd9d
Changes
1
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1 changed file
with
3 additions
and
5 deletions
+3
-5
arch/i386/kernel/cpu/cpufreq/powernow-k7.c
arch/i386/kernel/cpu/cpufreq/powernow-k7.c
+3
-5
No files found.
arch/i386/kernel/cpu/cpufreq/powernow-k7.c
View file @
136e7a83
...
@@ -10,6 +10,7 @@
...
@@ -10,6 +10,7 @@
*
*
* Errata 5: Processor may fail to execute a FID/VID change in presence of interrupt.
* Errata 5: Processor may fail to execute a FID/VID change in presence of interrupt.
* - We cli/sti on stepping A0 CPUs around the FID/VID transition.
* - We cli/sti on stepping A0 CPUs around the FID/VID transition.
* (ADDENDUM: This seems to be needed on more systems, so we do it unconditionally now).
* Errata 15: Processors with half frequency multipliers may hang upon wakeup from disconnect.
* Errata 15: Processors with half frequency multipliers may hang upon wakeup from disconnect.
* - We disable half multipliers if ACPI is used on A0 stepping CPUs.
* - We disable half multipliers if ACPI is used on A0 stepping CPUs.
*/
*/
...
@@ -259,8 +260,7 @@ static void change_speed (unsigned int index)
...
@@ -259,8 +260,7 @@ static void change_speed (unsigned int index)
/* Now do the magic poking into the MSRs. */
/* Now do the magic poking into the MSRs. */
if
(
have_a0
==
1
)
/* A0 errata 5 */
__asm__
(
"
\t
cli
\n
"
);
__asm__
(
"
\t
cli
\n
"
);
if
(
freqs
.
old
>
freqs
.
new
)
{
if
(
freqs
.
old
>
freqs
.
new
)
{
/* Going down, so change FID first */
/* Going down, so change FID first */
...
@@ -272,9 +272,7 @@ static void change_speed (unsigned int index)
...
@@ -272,9 +272,7 @@ static void change_speed (unsigned int index)
change_FID
(
vid
);
change_FID
(
vid
);
}
}
__asm__
(
"
\t
sti
\n
"
);
if
(
have_a0
==
1
)
__asm__
(
"
\t
sti
\n
"
);
cpufreq_notify_transition
(
&
freqs
,
CPUFREQ_POSTCHANGE
);
cpufreq_notify_transition
(
&
freqs
,
CPUFREQ_POSTCHANGE
);
}
}
...
...
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