[PATCH] powernow-k8: On load failure,remind the user to enable support in BIOS setup
From: Marti Raudsepp
Date: Wed Jan 20 2010 - 10:40:36 EST
arch/x86/kernel/cpu/cpufreq/powernow-k8.c | 15 +++++++++------
1 files changed, 9 insertions(+), 6 deletions(-)
In most cases this is simply user error or bad BIOS defaults, rather than a
Signed-off-by: Marti Raudsepp <marti@xxxxxxxxx>
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
@@ -789,17 +789,20 @@
(struct pst_s *)(psb+1), maxvid);
- * If you see this message, complain to BIOS manufacturer. If
- * he tells you "we do not support Linux" or some similar
- * nonsense, remember that Windows 2000 uses the same legacy
- * mechanism that the old Linux PSB driver uses. Tell them it
- * is broken with Windows 2000.
+ * If you see this message, check that Cool'N'Quiet is enabled
+ * in your BIOS setup. If that fails, complain to your BIOS
+ * manufacturer. If he tells you "we do not support Linux" or
+ * some similar nonsense, remember that Windows 2000 uses the
+ * same legacy mechanism that the old Linux PSB driver uses.
+ * Tell them it is broken with Windows 2000.
* The reference to the AMD documentation is chapter 9 in the
* BIOS and Kernel Developer's Guide, which is available on
- printk(KERN_ERR FW_BUG PFX "No PSB or ACPI _PSS objects\n");
+ printk(KERN_ERR PFX "No PSB or ACPI _PSS objects\n");
+ printk(KERN_ERR PFX "Make sure that Cool'N'Quiet support is "
+ "enabled in your BIOS setup\n");
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