I think I had some debug statements in the code when testing with patch 'gpio: mcp23s08: Add support for mcp23s18' which was hiding the problem. Phil Reid (1): gpio: mcp23s08: Fix clearing of interrupt. drivers/gpio/gpio-mcp23s08.c | 4 ++++ 1 file changed, 4 insertions(+) -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html