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TODO list, patches will follow...

DISCUSSION Dominik Brodowski 2 participants 2 messages Nov 19, 2003 – Nov 20, 2003

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Here are a few TODO items I'm aware of for cpufreq in 2.6.

* denotes a patch exists for 2.6.0-test9 and will be sent out in a few moments.

Merged in cpufreq-bk
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- [speedstep-smi] fail on failure to aquire ownership
- [speedstep-centrino] 1 GHz Centrino support
- [powernow-k7] different error message on no PST for CPU
- [powernow-k8] resolve one #warning

2.6.0 / <2.6.2
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* [speedstep-smi] Disable smi_detect_freqs() call on systems which do not support it [BUG #1422]
* [speedstep-smi] Disable debug output
* [speedstep-smi] Spelling fix
* [speedstep-lib] Support for 533 MHz FSB
* [p4-clockmod] Detect CPU speed without relying on cpu_khz
* [core] remove unneeded #ifdefs in include/linux/cpufreq.h
* [core] latency in nanoseconds -- sometimes nanoseconds are used, sometimes microseconds, sometimes even something else.
* [speedstep-smi] Do something about "cpufreq: change failed" Cause seems to be DMA by IDE and others. Possible soultions are mdelay(250), notice to users, ignoring it, retry etc.

Quoted 1 line

2.6.2 / 2.7

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- [powernow-k8] make it aware of frequency table helpers Have patches, AMD wanted to look into this
- [powernow-k7] override for PSTs
- [acpi-cpufreq] major rewrite
patches exist, Len Brown liked them, but not now...
- [core] split up drivers/cpufreq.c into manageable pieces
- [core] use ->range() instead of ->setpolicy
- [longrun] remove special-handling of "policy"
- [ondemand] merge if patent issue is resolved
- [core] support of CPU groups (hyperthreading, SMT) use cpumask_t instead of single CPU number
- [core] verify ->resume support is OK (I doubt it)

2.7
---
- [sa1100] move cpufreq_get code to arch/arm/sa1100-specific code
- [core] remove deprecated interfaces
namely proc_intf, /proc/sys/ interface in userspace governor

#1 lore raw
Quoted 1 line · Dominik Brodowski

Here are a few TODO items I'm aware of for cpufreq in 2.6.

Could one of you take a look at the problem I reported with the current longhaul driver and my chipset? My machine locks solid with current kernels.

I would post a link to the archive but I've misplaced my list password, I posted a patch which prevents the lockup to the list with the subject "Patch to stop i386 longhaul from deadlocking the kernel" recently.

Ashley,