RE: PowerPC 460EX AD7416 Temperature Sensor

2009-03-31 Thread Tirumala Reddy Marri
Did you have dts entries for IIC in device tree ? also did you have I2C enabled in "make menuconfig" "device drivers -> i2c support --> I2C bus support -> IBM ppc 4xx On chip I2C support " selected. Then you should i2c see an entry /proc/devices . Use that major address and create a device nod

PowerPC 460EX AD7416 Temperature Sensor

2009-03-31 Thread Henry Bausley
Does anyone know if the I2C temperature sensor is functioning on the AMCC 460EX? When I do a cat /proc/ad7416 I get the following crash. Unable to handle kernel paging request for data at address 0x Faulting instruction address: 0xc02cbe28 Oops: Kernel access of bad area, sig: 11 [#1] Po