From: Clemens Koller <clemens.koller@anagramm•de>
To: Alessandro Zummo <alessandro.zummo@towertech•it>
Cc: rtc-linux@googlegroups•com, linuxppc-embedded@ozlabs•org
Subject: Re: [rtc-linux] Re: DS1337 RTC on I2C broken.
Date: Fri, 30 Nov 2007 19:12:01 +0100 [thread overview]
Message-ID: <47505271.8030102@anagramm.de> (raw)
In-Reply-To: <20071130122055.729dd3f8@i1501.lan.towertech.it>
Hi, Alessandro!
Alessandro Zummo schrieb:
> On Fri, 30 Nov 2007 12:04:00 +0100
> Clemens Koller <clemens.koller@anagramm•de> wrote:
>
>> Modular doesn't make sense to me, because the filesystem check starts
>> to complain when last mount time was way to far in the past or in
>> the future. But I will try...
>
> It's just to see if there's any timing issue like module-coming-up-before-bus-and/or-rtc.
> it should work anyway, but who knows...
root@fox_1:/lib/modules/2.6.24-rc3-ge1cca7e8/kernel/drivers/rtc$ lsmod
Module Size Used by
root@fox_1:/lib/modules/2.6.24-rc3-ge1cca7e8/kernel/drivers/rtc$ modprobe rtc-ds1307
root@fox_1:/lib/modules/2.6.24-rc3-ge1cca7e8/kernel/drivers/rtc$ lsmod
Module Size Used by
rtc_ds1307 6944 0
i2c_core 29936 1 rtc_ds1307
rtc_core 24248 1 rtc_ds1307
rtc_lib 3456 2 rtc_ds1307,rtc_core
i2c_core doesn't pull in i2c_mpc (the MPC107/85xx i2c driver)!
root@fox_1:/lib/modules/2.6.24-rc3-ge1cca7e8/kernel/drivers/rtc$ modprobe i2c-mpc
root@fox_1:/lib/modules/2.6.24-rc3-ge1cca7e8/kernel/drivers/rtc$ lsmod
Module Size Used by
i2c_mpc 8128 0
rtc_ds1307 6944 0
i2c_core 29936 2 i2c_mpc,rtc_ds1307
rtc_core 24248 1 rtc_ds1307
rtc_lib 3456 2 rtc_ds1307,rtc_core
it's still unused.
Doing it the other way around:
root@fox_1:/lib/modules/2.6.24-rc3-ge1cca7e8/kernel/drivers/rtc$ lsmod
Module Size Used by
root@fox_1:/lib/modules/2.6.24-rc3-ge1cca7e8/kernel/drivers/rtc$ modprobe i2c-mpc
root@fox_1:/lib/modules/2.6.24-rc3-ge1cca7e8/kernel/drivers/rtc$ lsmod
Module Size Used by
i2c_mpc 8128 0
i2c_core 29936 1 i2c_mpc
root@fox_1:/lib/modules/2.6.24-rc3-ge1cca7e8/kernel/drivers/rtc$ modprobe rtc-ds1307
root@fox_1:/lib/modules/2.6.24-rc3-ge1cca7e8/kernel/drivers/rtc$ lsmod
Module Size Used by
rtc_ds1307 6944 0
rtc_core 24248 1 rtc_ds1307
rtc_lib 3456 2 rtc_ds1307,rtc_core
i2c_mpc 8128 0
i2c_core 29936 2 rtc_ds1307,i2c_mpc
root@fox_1:/lib/modules/2.6.24-rc3-ge1cca7e8/kernel/drivers/i2c/busses$ cd /dev
root@fox_1:/dev$ ls -la r*
crw-rw-rw- 1 root root 1, 8 Jan 1 1970 random
I guess I'll have to dig in the code now since this is a
100% road block for my project. :-(
Does it make sense to pickup some I2C people here?
Same story, next week... Have a nice weekend.
If you come up with some idea / patches, still let me know,
I'll be able to login remotely.
Thank you,
Regards,
Clemens Koller
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next prev parent reply other threads:[~2007-11-30 18:11 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-28 18:25 DS1337 RTC on I2C broken Clemens Koller
2007-11-28 18:43 ` Alessandro Zummo
2007-11-28 19:20 ` Clemens Koller
2007-11-28 19:36 ` Clemens Koller
2007-11-28 20:34 ` [rtc-linux] " Alessandro Zummo
2007-11-29 11:24 ` Clemens Koller
2007-11-29 11:34 ` raul.moreno
2007-11-29 12:43 ` Clemens Koller
2007-11-29 20:03 ` Clemens Koller
2007-11-29 20:19 ` Alessandro Zummo
2007-11-30 11:04 ` Clemens Koller
2007-11-30 11:20 ` [rtc-linux] " Alessandro Zummo
2007-11-30 14:12 ` Clemens Koller
2007-12-01 12:24 ` Alessandro Zummo
2007-12-02 20:25 ` Olof Johansson
2007-11-30 18:12 ` Clemens Koller [this message]
2007-12-01 12:16 ` Alessandro Zummo
2007-12-03 15:14 ` Clemens Koller
2007-12-03 16:07 ` Bartlomiej Sieka
2007-12-03 16:38 ` Clemens Koller
2007-12-03 16:09 ` solved: " Clemens Koller
2007-12-03 16:48 ` Scott Wood
2007-12-03 17:41 ` OT: " Clemens Koller
2007-12-03 18:07 ` Scott Wood
2007-12-03 19:35 ` Clemens Koller
2007-12-03 20:05 ` Grant Likely
2007-12-03 20:46 ` Scott Wood
2007-12-04 11:42 ` Clemens Koller
2007-12-04 13:08 ` Scott Wood
2007-12-04 15:32 ` Clemens Koller
2007-12-04 16:08 ` Scott Wood
2007-12-05 10:27 ` Clemens Koller
2007-12-04 17:19 ` Jon Smirl
2007-12-05 10:30 ` Clemens Koller
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