From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from moutng.kundenserver.de (moutng.kundenserver.de [212.227.126.179]) by ozlabs.org (Postfix) with ESMTP id 501E8DDE02 for ; Sat, 1 Dec 2007 05:11:57 +1100 (EST) Message-ID: <47505271.8030102@anagramm.de> Date: Fri, 30 Nov 2007 19:12:01 +0100 From: Clemens Koller MIME-Version: 1.0 To: Alessandro Zummo Subject: Re: [rtc-linux] Re: DS1337 RTC on I2C broken. References: <474DB27C.7020909@anagramm.de> <20071128194321.0804b3aa@i1501.lan.towertech.it> <474F1B25.8080508@anagramm.de> <20071129211912.46da8f5b@i1501.lan.towertech.it> <474FEE20.6070606@anagramm.de> <20071130122055.729dd3f8@i1501.lan.towertech.it> In-Reply-To: <20071130122055.729dd3f8@i1501.lan.towertech.it> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Cc: rtc-linux@googlegroups.com, linuxppc-embedded@ozlabs.org List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hi, Alessandro! Alessandro Zummo schrieb: > On Fri, 30 Nov 2007 12:04:00 +0100 > Clemens Koller 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 __________________________________ R&D Imaging Devices Anagramm GmbH Rupert-Mayer-Straße 45/1 Linhof Werksgelände D-81379 München Tel.089-741518-50 Fax 089-741518-19 http://www.anagramm-technology.com