Hi Sudhakar, On 11.02.2011 15:53, Rajashekhara, Sudhakar wrote: > Hi Ben, > > On Fri, Feb 11, 2011 at 20:04:07, 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. > > You are right. > >> 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]. >> > > Thanks for the information. > >> To reproduce Chritophe's problem, try using the L138's GPIOs directly >> in a gpio-keys driver instance. >> > > I'll look into this.
Did you have time to look at this issue ? Were you able to reproduce it ? > Thanks, > Sudhakar 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
