* Udev - Hot/Cold Plugging and Sparc
@ 2006-01-20 0:47 Jim Gifford
2006-01-20 0:55 ` Marco d'Itri
2006-01-20 3:46 ` Andrey Borzenkov
0 siblings, 2 replies; 3+ messages in thread
From: Jim Gifford @ 2006-01-20 0:47 UTC (permalink / raw)
To: linux-hotplug
First of thank you Kay and Greg, with all the information you have
provided, I was able to make a usable udev package. Now I'm working on
getting the same package to recognize some exotic hardware and hope you
guys can provide some guidance.
On the x86, the rtc module gets located ok and loads, while on the sparc
it doesn't seem to ever find it, not sure if it's a script problem, udev
problem, or it's a module issue. I do know when I modprobe rtc, it shows
up, but when I run udevinfo, I don't see enough useful information to
create a rule. Output below.
udevinfo -a -p /sys/class/misc/rtc
udevinfo starts with the device the node belongs to and then walks up the
device chain, to print for every device found, all possibly useful
attributes
in the udev key format.
Only attributes within one device section may be used together in one rule,
to match the device for which the node will be created.
looking at device '/class/misc/rtc':
KERNEL="rtc"
SUBSYSTEM="misc"
SYSFS{dev}="10:135"
--
----
Jim Gifford
maillist@jg555.com
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Udev - Hot/Cold Plugging and Sparc
2006-01-20 0:47 Udev - Hot/Cold Plugging and Sparc Jim Gifford
@ 2006-01-20 0:55 ` Marco d'Itri
2006-01-20 3:46 ` Andrey Borzenkov
1 sibling, 0 replies; 3+ messages in thread
From: Marco d'Itri @ 2006-01-20 0:55 UTC (permalink / raw)
To: linux-hotplug
On Jan 20, Jim Gifford <maillist@jg555.com> wrote:
> On the x86, the rtc module gets located ok and loads, while on the sparc
> it doesn't seem to ever find it, not sure if it's a script problem, udev
> problem, or it's a module issue. I do know when I modprobe rtc, it shows
It's a module issue. At least on Debian x86 systems, rtc.ko is loaded
because I manually added an alias for pnp:dPNP0b00 and IIRC sparc
systems do not have a PNP subsystem which could be used for this (maybe
sbus? Do we need some kind of OF-based coldplugging?).
But anyway, what is the point of building the rtc driver modular? Every
normal system needs it.
--
ciao,
Marco
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Udev - Hot/Cold Plugging and Sparc
2006-01-20 0:47 Udev - Hot/Cold Plugging and Sparc Jim Gifford
2006-01-20 0:55 ` Marco d'Itri
@ 2006-01-20 3:46 ` Andrey Borzenkov
1 sibling, 0 replies; 3+ messages in thread
From: Andrey Borzenkov @ 2006-01-20 3:46 UTC (permalink / raw)
To: linux-hotplug
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
On Friday 20 January 2006 03:55, Marco d'Itri wrote:
> On Jan 20, Jim Gifford <maillist@jg555.com> wrote:
> > On the x86, the rtc module gets located ok and loads, while on the sparc
> > it doesn't seem to ever find it, not sure if it's a script problem, udev
> > problem, or it's a module issue. I do know when I modprobe rtc, it shows
>
> It's a module issue. At least on Debian x86 systems, rtc.ko is loaded
> because I manually added an alias for pnp:dPNP0b00 and IIRC sparc
> systems do not have a PNP subsystem which could be used for this (maybe
> sbus? Do we need some kind of OF-based coldplugging?).
>
well, in some sense OBP is PnP subsystem for sparc - it provides complete
device tree before system is even booted.
- -andrey
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^ permalink raw reply [flat|nested] 3+ messages in thread
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2006-01-20 0:55 ` Marco d'Itri
2006-01-20 3:46 ` Andrey Borzenkov
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