On Thu, Mar 09, 2023 at 03:10:56PM +0800, Ye Xiang wrote: > This patch implements the USB part of Intel USB-I2C/GPIO/SPI adapter > device named "La Jolla Cove Adapter" (LJCA). Then why is this called "mfd" in the subject line? > include/linux/mfd/ljca.h | 95 ++++ Why is this .h file in the mfd directory? thanks, greg k-h