On 25.10.2011 15:57, Ben Gardiner wrote: > Hi Christophe, > > On Tue, Oct 25, 2011 at 8:58 AM, Christophe Aeschlimann > <c.aeschlim...@acn-group.ch> wrote: >> Hi Ben, >> >> Sorry for bumping that old thread out of the ash :) >> >> On 11.02.2011 15:34, Ben Gardiner wrote: >>> Hi Sudhakar, >>> >>> On Fri, Feb 11, 2011 at 6:03 AM, Rajashekhara, Sudhakar >>> <sudhakar....@ti.com> wrote: >>>> When I enable the "gpio-keys" driver I am getting the below error message >>>> when kernel is booting: >>>> >>>> "gpio-keys gpio-keys.0: Unable to get irq number for GPIO 152, error -6" >>> >>> This error looks familiar to me; please excuse me if I presume too much. >>> >>> It looks like you may be trying to use the gpio-keys driver on an i2c >>> expander. This driver requires interrupt-capable GPIOs and i2c >>> expander GPIOs are not interrupt capable -- yet. The support needed >>> for chained interrupts is being developed by Lennert Buytenhek as part >>> of the ARM device tree support [1]. >> >> Do you know if that has been implemented since then ? I have not found >> anything about that subject. > > I'm sorry I haven't followed that activity closely enough and I > haven't tested multiple interrupt controllers lately. > > Best Regards, > Ben Gardiner > > --- > Nanometrics Inc. > http://www.nanometrics.ca
Don't be sorry ! Thanks for your input. Best Regards, Christophe -- Christophe Aeschlimann Embedded Software Engineer & IT Manager ACN Advanced Communications Networks S.A. Rue du Puits-Godet 8a 2000 Neuchâtel, Switzerland Tél. +41 32 724 74 31 c.aeschlim...@acn-group.ch _______________________________________________ Davinci-linux-open-source mailing list Davinci-linux-open-source@linux.davincidsp.com http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
