Subject: Re: DS1337 RTC on I2C broken.

From: Alessandro Zummo <[email-masked]>
Date: Wed, 28 Nov 2007 19:43:21 +0100

On Wed, 28 Nov 2007 19:25:00 +0100
Clemens Koller <[email-masked]> wrote:

> Well, as already mentioned, I have problems to get my DS1337 RTC on I2C
> on my MPC8540(ads like) PowerPC working properly on
> latest 2.6.24-rc2-ge6a5c27f kernels. A paulus.git 2.6.21-rc5-g9a5ee4cc
> as well as a 2.6.22-rc6-gb75ae860 is working fine.
> (mainstream's console is broken, so cannot test these, yet.)
> 
> 
> My guess is that the new rtc-lib's RTC_DRV_DS1307 support is still broken
> and it also breaks the deprecated SENSORS_DS1337. :-(

 mmm. I've been told it should work ;)

> Here is a snippet from my .config which is similar among my kernels.
> CONFIG_GEN_RTC=y

 this one must be deselected.

> CONFIG_SENSORS_DS1337=y
> CONFIG_SENSORS_DS1374=y

 ditto.

> DEV: registering device: ID = '0-0068'
> bus i2c: add device 0-0068
> bound device '0-0068' to driver 'ds1337'

 maybe the wrong driver is kicking in here.
 the fact that there is no rtc class
 related output in dmesg should and that
 there is no /dev/rtc0 could be a sign that the whole class
 is not going in.

 do you have full dmesg? 

-- 

 Best regards,

 Alessandro Zummo,
  Tower Technologies - Torino, Italy

  http://www.towertech.it