MPC5200 I2C and 2.6 kernel

Wolfgang Denk wd at
Thu Nov 29 07:22:45 EST 2007

In message <474BEC4F.3080800 at> you wrote:
> Regardless what I'm doing in the 2.6 kernel configuration I can't get 
> this RTC running (I activated RTC support and the driver for the M41T00 
> in the configuration).
> hwclock --debug tells me:

> hwclock: Open of /dev/rtc failed, errno=19: No such device.

Well... did you check how your /dev/rtc is set up? It used  to  be  a
misc  device with MAJ=10 MIN=135 in old kernel versions, but now it's
MAJ=254 MIN=4, i. e. it should look like this:

crw-r--r-- 1 root root 254,   0 Jun 22 18:30 /dev/rtc

Best regards,

Wolfgang Denk

DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at
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