On 12/8/11, Andreas Schwab wrote:
> There seems to be something wrong with cpu idle time accounting at least
> on G5. The value as reported in the cpu lines in /proc/stat seems to be
> stuck in the interval [10,21] for each cpu, jumping back at
> random points. Any idea what could be the
Hi,
What will give me access to the RTC hardware on an old PowerMac 8600?
I modload rtc-generic. /proc/devices has:
254 rtc
and ls -l /dev/rtc*:
crw-r--r-- 2 root root 254, 0 Sep 2 2010 /dev/rtc
crw-r--r-- 2 root root 254, 0 Sep 2 2010 /dev/rtc0
crw-r--r-- 1 root root 10, 135 Aug 10
Hi,
On 1/29/12, Andreas Schwab wrote:
> kevin diggs writes:
>
>
> Perhaps the RTC was reset due to battery running out? That would set
> the year to 1900, but the kernel RTC interface cannot represent dates
> before 1970. Unfortunately hwclock insists on reading the RTC ev
Hi,
I have a G5 (dual 970FX, june 2004?) running YDL 6.0. After fighting
to get a compiler that will build 2.6.29+ (4.2.1 -> 4.2.2) I can't get
it to boot. It spits out a bunch of message about devices (I think the
last ones are USB related) and then says:
Restarting System
and then reboots. I'v
Hi,
Apparently, for some reason, you can't use -depth in your find
command when rebuilding your initrd???
Machine is now running 2.6.36. Glad to be rid of that awful cpufreq driver ...
kevin
On Mon, Oct 25, 2010 at 1:45 PM, kevin diggs wrote:
> Hi,
>
> I have a G5 (dual 97
Hi,
I have a G4 that has 1.25 G of ram. Under Linux I only get 768M?
Anyone know why? It is a GiGE with a dual 7455 PowerLogix cpu upgrade.
Kernel is 2.6.28.
Thanks!
kevin
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Hi,
I am trying to get 2.6.36 running on an old PowerMac 8600. It can't
seem to find the root device. There are some messages about the disks
on the bus. But they don't look quite right. It is currently running
2.6.28.
Any suggestions?
Thanks!
kevin
_
Hi,
Sorry for the noise but I am having trouble getting the latest kernel
built for a PowerMac8600 with a 750GX processor card. If this is not
an appropriate topic for the list please tell me (and hopefully point
me in the correct direction).
I have narrowed the problem down to the compiler. YDL
50GX cauz it ain't not got no hardware fsqrt!
> Off the top of your head would you know which of the ppc32 processors
> has fsqrt? Is it only the 604?
>
> On Mon, Nov 8, 2010 at 4:31 PM, Benjamin Herrenschmidt
> wrote:
>> On Mon, 2010-11-08 at 10:43 -0600, kevin diggs wr
Hi,
On a sort of related issue, if anyone out there has a PowerMac7,3
(dual 2.5 GHz 970Fx, PCI-X), I would appreciate it if you could do me
a favor.
I think this therm_pm72 thing creates the sysfs temperature and
voltage attributes for the cpus. I noticed on my machine that if I use
the cpufreq d
On Fri, Jan 21, 2011 at 12:35 AM, Benjamin Herrenschmidt
wrote:
> Some of those functions try to adjust the CPU features, for example
> to remove NAP support on some revisions. However, they seem to use
> r5 as an index into the CPU table entry, which might have been right
> a long time ago but no
Hi,
Anyone familiar with BootX? Could my problems with the 8600 be related
to some interaction with BootX?
kevin
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Hi,
I am trying to get a PowerMac 8600 to boot past 2.6.28.
I can boot 2.6.28 compiled with either 3.3.3 or 3.4.6. I can't get
2.6.28 to boot using 4.3.5. The 4.3.5 vmlinux has a section
'.text.unlikely' that the 3.4.6 version does not. Anyone know what
this might be?
kevin
_
Hi,
This would require quik, right? I went to penguinppc.org and tried to
get the latest BootX and quik but the links are dead. Do you know
where the latest versions are?
kevin
On Fri, Jan 21, 2011 at 3:21 PM, Benjamin Herrenschmidt
wrote:
> On Fri, 2011-01-21 at 13:26 -0600, kevin diggs wr
Hi,
The link:
http://www.shiner.info/?files/Yellow%20Dog%20Linux%204/quik
to download the latest source does not seem to have anything useful???
kevin
On Fri, Jan 21, 2011 at 7:50 PM, Benjamin Herrenschmidt
wrote:
> On Fri, 2011-01-21 at 19:48 -0600, kevin diggs wrote:
>> Hi,
&
For what it is worth, this section contains dump_stack, panic, and printk
Thanks!
kevin
On Fri, Jan 21, 2011 at 7:40 PM, kevin diggs wrote:
> Hi,
>
> I am trying to get a PowerMac 8600 to boot past 2.6.28.
>
> I can boot 2.6.28 compiled with either 3.3.3 or 3.4.6. I can't
eyboard is dead.
Jog any thoughts?
Thanks!
kevin
On Fri, Jan 21, 2011 at 8:31 PM, kevin diggs wrote:
> For what it is worth, this section contains dump_stack, panic, and printk
>
> Thanks!
>
> kevin
>
> On Fri, Jan 21, 2011 at 7:40 PM, kevin diggs wrote:
>> Hi,
>&g
oes.
Thanks!
kevin
P.S.: There is one other difference for the SMP 4.3.5 compiled
2.6.28: my 750gx cpufreq driver gets disabled. It is fairly isolated
code though. Should not be able to nuke the spinlock in kernel/acct.c
On Fri, Jan 21, 2011 at 1:26 PM, kevin diggs wrote:
> Hi,
>
> Anyo
essor machines. I do not understand why they
are present in 3.4.6 (at least the symbol anyway)? The 'acct_lock'
spin lock was also missing with gcc 4.2.4.
kevin
On Sat, Jan 22, 2011 at 12:24 PM, kevin diggs wrote:
> Hi,
>
> If I enable SMP then I can build a 2.6.28 kernel with gcc 4
o not know where to go from here?
kevin
On Sat, Jan 22, 2011 at 12:24 PM, kevin diggs wrote:
> Hi,
>
> If I enable SMP then I can build a 2.6.28 kernel with gcc 4.3.5 that
> WILL boot on the PowerMac8600 (single 750GX). The previously mentioned
> G4 that runs is a dual cpu beast an
Hi,
The cpufreq driver I wrote for the 750gx causes a kernel panic in 2.6.36.
This is from a screen shot:
[c6035f30] [c001014c] timer_interrupt+0x13c/0x19c
[c6035f40] [c0013294] ret_from_except+0x0/0x14
--- Exception: 901 at 0x1000c694
LR = 0x1000f3e4
Instruction dump:
4b48 38610008 4be7
On Tue, Jan 25, 2011 at 10:32 PM, Benjamin Herrenschmidt
wrote:
>>
>> What are exception 700 & 901?
>
> 700 is a program check (illegal instruction or BUG_ON() statement)
>
> 900 is decrementer (aka timer) interrupt.
>
>> The 0x1000c694 address looks fishy?
>
> That's userspace.
>
> So you took a
Hi,
Does this content look ok:
kevdig@SatelliteA75:/usr/src/linux-2.6.36/arch/powerpc/kernel$ diff
-U3 process.c process-new_c
--- process.c 2010-10-23 20:01:13.0 -0500
+++ process-new_c 2011-01-26 14:04:17.0 -0600
@@ -1107,6 +1107,27 @@
static int kstack_depth_to_print
On Wed, Jan 26, 2011 at 3:43 PM, Benjamin Herrenschmidt
wrote:
>
> You don't have a serial port ?
>
Yeah, just did not know what to do with them?
> If you do, use "sccdbg" on the kernel command line to route xmon to it,
> and boot with console=ttyPZ0,38400 (I think the old things default to
> 384
011 at 12:24 PM, kevin diggs wrote:
>> Hi,
>>
>> If I enable SMP then I can build a 2.6.28 kernel with gcc 4.3.5 that
>> WILL boot on the PowerMac8600 (single 750GX). The previously mentioned
>> G4 that runs is a dual
Ben,
I know you are VERY busy. I appreciate your taking the time to reply.
Since I'm am still using this thing I'll take a stab at trying to
track it down. I just posted the FYI to see if I could trigger some
thoughts (like your post).
With a 4.3.5 compiled mesh, it fails a lot of early stuff li
Hi,
And one more thing: Why does an SMP kernel (mesh compiled in an SMP
enabled kernel) work?
What all does SMP do? If it matters, I'm voluntary preempt.
Is the DMA hardware in this thing used in any other system (I guess I
mean both other computers and other sub-systems in this computer -
does
Hi,
FYI:
This driver has some pretty good diagnostics/debug capabilities built
in. Once that is enabled it shows that the inquiry works and the sync
negotiation works. The next command (I think) is test unit ready,
which does not work. It is retried multiple times. The result is 2
which I thi
Hi,
I have looked at the -S output for mesh.c from both 4.1.2 and 4.3.5.
The generated code is quite different but I can not see any difference
that is causing the problem?
If I read and print the bus status register 0, it does appear to have
the busy bit set?
I'm in way over my head here. It ap
Hi,
Sorry for the noise.
How do I access the rtc on a PowerMac7,3 (dual 2.5 GHz 970FX) using
2.6.36? rtc-generic does not seem to work. It will work on my 8600. I
do see this:
[ 15.014542] rtc-generic rtc-generic: rtc core: registered rtc-generic as rtc0
Is it the hwclock binary:
hwclock fro
On Wed, Feb 23, 2011 at 1:42 PM, Benjamin Herrenschmidt
wrote:
>> [ 15.014542] rtc-generic rtc-generic: rtc core: registered rtc-generic as
>> rtc0
>
> rtc-generic should work...
>
> Cheers,
> Ben.
>
It probably does on everyone else's 7,3. The 8600 probably infected
it. ... I hear the two of t
Hi,
Thanks for taking some of your valuable time to reply.
Now I can't get it to fail. I don't know what I did wrong??? These
things are tryin' to push me over the edge!
Part of the problem may be the /dev/rtc (10:135 or whatever the PC
numbers are) PC device that gets put into /dev/ (udev) on Y
Hi,
While trying to figure out why the MESH SCSI controller will not work
with the 4.3.5 compiler but will work when compiled with 4.1.2, I
noticed some ... unfortunate behavior from the 4.3.5 compiler. Before
I try to see if I can fix it (i.e. the compiler), it would be nice to
see if the "issue"
Hi,
On Fri, Mar 11, 2011 at 2:25 PM, Segher Boessenkool
wrote:
>
> make drivers/scsi/mesh.s
>
??? I thought I have tried this in the past and it did not work? The
make /.s thing?
Thanks for the tip!
kevin
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Hi,
Good to know. I just tried this on an x86 laptop. It was NOT happy!
And, obviously, I am not using a mesh SCSI controller on my Toshiba
A75.
And thanks again for your time!
kevin
On Fri, Mar 11, 2011 at 7:39 PM, Segher Boessenkool
wrote:
>>> make drivers/scsi/mesh.s
>>>
>> ??? I thought I
Hi,
For what it is worth, I can boot 2.6.36 on a PowerMac 8600 with a
750GX processor in it. I have to compile the kernel with gcc 4.1.2.
Figuring out why 4.3.5 won't work is ... a work in progress (maybe an
exorcism will help?).
kevin
On Sat, Mar 12, 2011 at 1:05 PM, nello martuscielli wrote:
Hi,
I am seeing ... issues with the optical drive (hda) under 2.6.36. I
can't mount disks:
[root@PowerMacG5 ~]# mount -r /dev/hda /mnt/cdrom
mount: /dev/hda already mounted or /mnt/cdrom busy
The log has:
[ 239.922268] hda: irq timeout: status=0xd0 { Busy }
[ 239.922485] hda: possibly failed
On Thu, Apr 7, 2011 at 2:55 AM, Benjamin Herrenschmidt
wrote:
> On Wed, 2011-04-06 at 14:01 +0100, Evan Lavelle wrote:
>> #define MY_ASSERT(expr) if(!(expr)) BUG()
>
> Make it
>
> #define MY_ASSERT(expr) do { if } while(0)
>
> To ensure it has proper single statement semantics in C.
>
So THAT
Hi,
Uh Oh. Are we gettin' booted (no pun intended)?
kevin
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HI,
On Wed, Apr 13, 2011 at 3:58 AM, Benjamin Herrenschmidt
wrote:
>
> Actually I do get a crash in X later on... something in the radeon DRM
> interrupt code is getting what looks like a NULL dereference. I'll try
> to dig that one later on. I don't know if it's related to your problem
> at all
Hi,
On Wed, Apr 13, 2011 at 6:21 PM, Benjamin Herrenschmidt
wrote:
> On Wed, 2011-04-13 at 12:52 -0500, kevin diggs wrote:
>> > Actually I do get a crash in X later on... something in the radeon
>> DRM
>> > interrupt code is getting what looks like a NULL dereferen
Hi,
On Mon, May 16, 2011 at 6:38 PM, Benjamin Herrenschmidt
wrote:
> On Mon, 2011-05-16 at 16:37 +1000, Michael Neuling wrote:
>> > what is the best book to learn assembly and architecture .
>>
Assuming you have a powerpc compiler available you can use the -S
option to produce assembly
Hi,
>
> This is an SMP machine ? If not, does it work with a UP kernel ?
>
> Cheers,
> Ben.
>
??? Even if it is SMP, you can run non-SMP kernel on it, right?
kevin
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Hi,
Sorry for the noise ... But if anyone knows what a "Cube power button
gasket" is made of please share! Is it conductive?
Again, sorry for the noise. But I figured there might be some cube
owners out here.
Thanks!
kevin
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Hi,
On Tue, Jun 28, 2011 at 10:28 PM, Benjamin Herrenschmidt >
>
> If we're going to have a Kconfig.powerpc, should we maybe just have a
> powerpc subdirectory instead with the driver in it ?
>
Where would the powerpc subdirectory be? under drivers/cpufreq? Or
somewhere under arch/powerpc where it
Hi,
Try this one more time ...
On Wed, Jun 29, 2011 at 3:54 AM, Benjamin Herrenschmidt
wrote:
> On Wed, 2011-06-29 at 12:40 +0400, Dmitry Eremin-Solenikov wrote:
>
> If you feel like it :-) The powermac one has quite a bit more plumbing
> for voltage control etc... but it does make sense in the
Hi,
On Wed, Jun 29, 2011 at 3:58 PM, Dmitry Eremin-Solenikov
wrote:
>
> drivers/cpufreq/powerpc. However my current version (as suggested by Ben)
> goes directly to drivers/cpufreq
>
Uh ... Just curious ... why is arch specific code now being put
outside of the arch directories? When I wrote the
Hi,
I would like to figure out if my G5 is broken. And if so how to fix it?
As I have previously posted it behaves strangely when using the cpufreq driver.
Anyone have suggestions to figure out what is going on?
Thanks!
kevin
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Hi,
Anyone know what it means when a dual core dual cpu (total 4 cores)
beeps three times on startup? The white power led also blinks 3 times
every few seconds.
The machine in question is a recent acquisition. I have got it to boot once.
Thanks!
kevin
___
Hi,
I'll add some noise to this. I have a PowerMac8600 (with a 750GX in it
(in case that makes a difference)) and I can't boot 2.6.36 if it is
compiled with a gcc version newer than 4.1.2. Both 4.2.4 and 4.3.5
will hang. 4.1.2 seems ok.
kevin
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Hi,
In idle_6xx.S one finds instructions like:
lis r4,[EMAIL PROTECTED]
lwz r4,[EMAIL PROTECTED](r4)
Can someone explain what this is doing? Presumably the first is loading
an address and the second a value. What do the '@ha' and '@l' do?
Also, is there an
Hi,
x86 has bsf and bsr. PPC has cntlzw which I think is equivalent to bsr.
Anyone know of a sneaky algorithm to do bsf?
kevin
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This will show how much of a novice I am: What's a "git"?
/*
* cf750gx.c - cpufreq driver for the dual PLLs in the 750gx
* ($Revision: 1.0 $)
*
* Copyright (C) 2008 kevin Diggs
*
* ~~
*
* This pro
Hi,
When doing inline assembly, is there a way to get the compiler to
assign "extra" (one not specified for inputs and outputs) registers? In
the following:
__asm__ __volatile__ (
"addi 5,%1,-1\n"
"andc 5,%1,5\n"
Hi,
In the 750GX data sheet (750GX_ds2-17-05.pdf), page 45 has Table 5-1
that describes the PLL range field. It goes something like this:
PLL_RNGrange
00600 - 900
01900 - 1000
10500 - 600
Anyone have any thoughts as to what the correct va
Hi,
Can someone suggest where to add the code for a cpu
(/sys/devices/system/cpu/cpu0) entry in sysfs?
The 2.6.24 release has a sysfs.c file but it only seems to be used for
64-bit? Anyone know why? What kind of planetary disasters will I create
if I allow it to be used in 32-bit as w
Hi,
Can someone suggest where to add the code for a cpu
(/sys/devices/system/cpu/cpu0) entry in sysfs?
The 2.6.24 release has a sysfs.c file but it only seems to be used for
64-bit? Anyone know why? What kind of planetary disasters will I create
if I allow it to be used in 32-bit as well?
Kumar Gala wrote:
What 32-bit chip are you looking to enable this for?
- k
I am working on some stuff for the 750GX
kevin
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H,
Anyone know how to turn get_cycles() into an actual time in a module?
ppc_tb_freq does not seem to be exported?
kevin
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David Miller wrote:
From: Kevin Diggs <[EMAIL PROTECTED]>
Date: Sat, 26 Apr 2008 00:54:11 -0700
Anyone know how to turn get_cycles() into an actual time in a module?
ppc_tb_freq does not seem to be exported?
You should really be using ktime_t and associated interfaces.
This looks
David Miller wrote:
From: Kevin Diggs <[EMAIL PROTECTED]>
Date: Sat, 26 Apr 2008 19:39:07 -0700
This looks pretty cool ... but I don't want to create a dependency on
hrtimer.
It doesn't create such a dependency.
We use it unconditionally in the generic networking.
Anyone one have any suggestions on how to get DPMS working for a Radeon
9600? Using a DVI cable?
Thanks!
kevin
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Hi,
I'm trying to monkey with cputable. It is hanging after printing:
Preparing BATs
on the console (PowerMac 8600 with PowerLogix 750GX card, 2.6.24 YDL 4.0).
I am guessing I am doing this PTRRELOC() thing wrong? Can someone
explain what is going on here:
*PTRRELOC(&cur_cp
I added:
int __init iDoNothingUseful(struct cpu_spec *s,struct cpu_spec *t)
{
return s-t;
}
right before the definition of identify_cpu() in cputable.c and:
// (void) (*PTRRELOC(&iDoNothingUseful))(s,t);
(void) iDoNothingUseful(s,t);
right b
Benjamin Herrenschmidt wrote:
On Fri, 2008-05-02 at 13:42 -0700, Kevin Diggs wrote:
I added:
int __init iDoNothingUseful(struct cpu_spec *s,struct cpu_spec *t)
{
return s-t;
}
right before the definition of identify_cpu() in cputable.c and:
// (void) (*PTRRELOC
Hi,
I have the following near the top of my cpufreq driver target routine:
while(test_and_set_bit(cf750gxmCfgChangeBit,&cf750gxvStateBits)) {
/*
* Someone mucking with our cfg? (I hope it is ok to call
* schedule() here! - truth is I have no idea what I am doin
Chris Friesen wrote:
Kevin Diggs wrote:
Hi,
I have the following near the top of my cpufreq driver target
routine:
while(test_and_set_bit(cf750gxmCfgChangeBit,&cf750gxvStateBits)) {
/*
* Someone mucking with our cfg? (I hope it is ok to call
* schedule()
Hi,
If I have:
inline unsigned int get_PLL_range(unsigned int range, unsigned int
config)
{
unsigned int ret;
/*
* Turn r3 (range) into a rotate count for the selected range.
* 0 -> 23, 1 -> 31
*/
__asm__ __volatile__ ( "slwi %0,%0,3\n"
Michael Ellerman wrote:
On Tue, 2008-08-05 at 12:26 -0700, Kevin Diggs wrote:
Chris Friesen wrote:
Kevin Diggs wrote:
I have the following near the top of my cpufreq driver target
routine:
while(test_and_set_bit(cf750gxmCfgChangeBit,&cf750gxvStateBits)) {
/*
* Som
Jeremy Kerr wrote:
Hi Kevin,
/*
* Turn r3 (range) into a rotate count for the selected
range. * 0 -> 23, 1 -> 31
*/
__asm__ __volatile__ ( "slwi %0,%0,3\n"
"addi %0,%0,23\n"
"rlwnm %0,%1,%0,30,31
Hi,
In cpu exit function of a cpufreq driver:
while (test_bit(cf750gxmChangingPllBit, &cf750gxvStateBits))
msleep(1);
This bit will get cleared by a notifier callback.
In module_exit function of a related module:
while (test_bit(PLL_LOCK_BIT, (unsigned long *)&
Arnd Bergmann wrote:
On Wednesday 13 August 2008, Kevin Diggs wrote:
Arnd Bergmann wrote:
On Wednesday 13 August 2008, Kevin Diggs wrote:
In cpu exit function of a cpufreq driver:
while (test_bit(cf750gxmChangingPllBit, &cf750gxvStateBits))
msleep(1);
This
Hi,
Something in a function signature called "__attribute_used__" would
compile in 2.6.24. This does not compile in 2.6.26. Using the
"store_##NAME" template from arch/powerpc/kernel/sysfs.c as a guide,
this appears to have changed to "__used". Anything work in both?
"__used" seems to have c
7; using this ancient mailer.
kevin
/*
* cf750gx.c - cpufreq driver for the dual PLLs in the 750gx
* ($Revision: 1.0 $)
*
* Copyright (C) 2008 kevin Diggs
*
* ~~
*
* This program is free software; you can r
Could I get any needed corrections on this. Especially on the "???"
[EMAIL PROTECTED] linux-2.6.26]$ diff -U3
include/linux/completion.{h.orig,h}|more
--- include/linux/completion.h.orig 2008-08-13 00:56:52.0 -0700
+++ include/linux/completion.h 2008-08-18 13:00:23.0 -0700
Hi,
I am trying to do some compile testing of my cpufreq driver. If
I disable modules I am getting multiple definition errors of inline
functions:
inline volatile unsigned int get_PLL(void)
{
unsigned int ret;
__asm__ __volatile__ ("mfspr %0,%1":
"=r"(ret):
Hi,
Can I ignore these checkpatch errors:
ERROR: do not initialise statics to 0 or NULL
#829: FILE: powerpc/kernel/cpu/pll_if.c:61:
+static unsigned int override_bus_clock = 0;
ERROR: do not initialise externals to 0 or NULL
#1281: FILE: powerpc/kernel/cpu/pll_if.c:513:
+int rval = 0;
Someone
Hi,
When I tried building my cpufreq driver into the kernel, the
cpufreq stats driver quit working? Anyone know if I screwed something up?
Or is this normal (2.6.26)?
Also, I thought, apparently incorrectly, That module parameters
became boot parameters when the module was built
This patch set adds a cpufreq driver for the IBM PowerPC 750GX processor. It
"should" also work for the 750FX. The patches are:
1) Add low level PLL config register interface module
2) Add cpufreq driver for the 750GX
3) Other PowerPC kernel changes necessary to support th
determination of the bus frequency is what worked on a PowerMac 8600. Any
suggestions on a more general solution are welcome.
WARNING - I used some #ifdefs - Let the fur fly!
My name is Kevin Diggs and I approve this patch.
Signed-off-by: Kevin Diggs <[EMAIL PROTECTED]>
Index: Documentati
very low latency frequency switches.
There is also a sysfs attribute to have it switch off the unused PLL for
additional power savings.
This does NOT support SMP.
My name is Kevin Diggs and I approve this patch.
Signed-off-by: Kevin Diggs <[EMAIL PROTECTED]>
Index: Documentation/D
tch in idle_6xx.S
during sleep (or nap) was also removed (I tried to add ability to disable this
but the result would not boot?).
My name is Kevin Diggs and I approve this patch.
Signed-off-by: Kevin Diggs <[EMAIL PROTECTED]>
Index: arch/powerpc/kernel
This patch adds kernel doc for the completion feature. It is in kernel/sched.c
and include/linux/completion.h.
An error in the split-man.pl PERL snippet in kernel-doc-nano-HOWTO.txt is
also fixed.
My name is Kevin Diggs and I approve this patch.
Signed-off-by: Kevin Diggs <[EMAIL PROTEC
Kumar Gala wrote:
On Aug 25, 2008, at 5:41 AM, Kevin Diggs wrote:
This adds a small module to handle the low level details of dealing
with the
PLL config register (HID1) found in the IBM 750GX. It provides 2
possible
interfaces, both selectable via kernel config options. One is a sysfs
Arnd Bergmann wrote:
On Monday 25 August 2008, Kevin Diggs wrote:
+ * cf750gx.c - cpufreq driver for the dual PLLs in the 750gx
Thanks for posting this driver and for your attention for detail
and for documentation in particular. Few people bother to write
documentation at this level.
I
Arnd Bergmann wrote:
On Tuesday 26 August 2008, Kevin Diggs wrote:
Arnd Bergmann wrote:
On Monday 25 August 2008, Kevin Diggs wrote:
Most people list their email address here as well
For reasons I'd rather not go into, my email address is not likely
to remain valid for much l
Arnd Bergmann wrote:
On Wednesday 27 August 2008, Kevin Diggs wrote:
Arnd Bergmann wrote:
Ok, thanks for the explanation. I now saw that you also
use '_v' for variables (I guess). These should probably
go the same way.
Actually the _v means global variable. I would prefer
Arnd Bergmann wrote:
On Wednesday 27 August 2008, Kevin Diggs wrote:
Arnd Bergmann wrote:
Ok, thanks for the explanation. I now saw that you also
use '_v' for variables (I guess). These should probably
go the same way.
Actually the _v means global variable. I would prefer
Arnd Bergmann wrote:
On Wednesday 27 August 2008, Kevin Diggs wrote:
Arnd Bergmann wrote:
I think the module_exit() function should leave the frequency in a
well-defined state, so the easiest way to get there is probably
to delete the timer, and then manually set the frequency.
I really
Hi,
This patch set adds a cpufreq driver for the IBM PowerPC 750GX processor. It
"should" also work for the 750FX. The patches are:
1) Add low level PLL config register interface module
2) Add cpufreq driver for the 750GX
3) Other PowerPC kernel changes necessary to suppo
Hi,
This patch set adds a cpufreq driver for the IBM PowerPC 750GX processor. It
"should" also work for the 750FX. The patches are:
1) Add low level PLL config register interface module
2) Add cpufreq driver for the 750GX
3) Other PowerPC kernel changes necessary to suppo
unloaded before _modify_PLL() is ever
called.
My name is Kevin Diggs and I approve this patch.
Signed-off-by: Kevin Diggs <[EMAIL PROTECTED]>
Index: arch/powerpc/kernel/cpu/pll_if.c
===
--- /dev/null 2004-08-10 18:55:00.000
provides the ability
for very low latency frequency switches.
There is also a sysfs attribute to have it switch off the unused PLL for
additional power savings.
This does NOT support SMP.
I fixed a deadlock if the module is unloaded before _target() is ever
called.
My name is Kevin Diggs and I
tch in idle_6xx.S
during sleep (or nap) was also removed (I tried to add ability to disable this
but the result would not boot?).
My name is Kevin Diggs and I approve this patch.
Signed-off-by: Kevin Diggs <[EMAIL PROTECTED]>
Index: arch/powerpc/kernel
This patch adds kernel doc for the completion feature. It is in kernel/sched.c
and include/linux/completion.h.
An error in the split-man.pl PERL snippet in kernel-doc-nano-HOWTO.txt is
also fixed.
My name is Kevin Diggs and I approve this patch.
Signed-off-by: Kevin Diggs <[EMAIL PROTEC
This patch adds a PERL script that can be used to manipulate the sysfs
attribute provided by pll_if. It can query the current state, change the
state of the inactive PLL, and switch PLLs (assumming that the inactive PLL is
locked to a valid frequency).
My name is Kevin Diggs and I approve this
Hi,
I thought I might take a whack at fixing the 2.6 serial driver
for my 8600. At the top of pmac_zilog.c (2.6.26) there is a todo for DMA.
A quick glance at macserial.c (2.4.31) suggests it has dbdma support for
receive. Anyone know of any pitfalls for adding dbdma support for
pmac_zilo
Benjamin Herrenschmidt wrote:
On Wed, 2008-10-08 at 12:51 -0700, Kevin Diggs wrote:
Hi,
I thought I might take a whack at fixing the 2.6 serial driver
for my 8600. At the top of pmac_zilog.c (2.6.26) there is a todo for DMA.
A quick glance at macserial.c (2.4.31) suggests it has dbdma
Hi,
I always have trouble getting an initial build to boot. Usually
it is with keyboards and video console. Currently, I can't seem to find
the root disk.
With the attached config I get the early messages, a pair of
"penguin" images. And then I think it says system restarting. Ha
Hi,
I managed to wrestle my gigE to the ground and get it to boot
2.6.27. I have, however, noticed that some messages are showing up in
dmesg. There are alot of them. They are continuous. They appear to come
from drivers/usb/core/hub.c:2916. It looks like they come in pairs (this
beast ha
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