Dear Lucas, Lucas De Marchi <lucas.de.mar...@gmail.com> wrote on 23.06.2015 19:02:03: > On Tue, Jun 23, 2015 at 1:45 PM, <christian.rupp...@alitech.com> wrote: > > Hello, > > > > Christian Ruppert/ALi_GVA/ALi wrote on 10.06.2015 17:05:16: > [...] > > The result is not very encouraging: Out of five (identical) designware i2c > > controllers we have on my test SOC, the first one initialises properly but > > the second one gets stuck in the famous irq loop right away when the > > module is enabled in i2c_dw_init. The system never gets around to try > > Are you using the pci or platform driver? I noticed yesterday the pci > version is failing here with a NULL pointer dereference.
The test was performed with the platform driver (instantiated through device tree). I just re-checked and the ultimate problem which hangs/kills the system in my case is the IRQ loop. I haven't observed any NULL pointer dereferences on the road. Greetings, Christian -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
