On 14/08/2020 11:03, Thomas Preston wrote:
I'm in the process of adding a device tree overlay for the PiFace Digital Raspberry Pi daughter board [0]. It's an mcp23s17 SPI GPIO port expander. In doing so, I noticed some errors with the mcp23s08 driver.
[snip]
They're quite trivial and backwards compatible, although I might be wrong about "interrupt-controller". Can someone please confirm?
[snip]
[0] https://github.com/raspberrypi/linux/pull/3794
Actually I think I'm wrong about the interrupt-controller changes in patches 0002 and 0003.
I think Patch 0001 fixups are fine still. Sorry for the noise!
