[yocto] How to patch a driver in Linux source tree

Fri Apr 13 11:41:23 PDT 2018

I'm working on a raspberry pi3 Yocto build from Qt's boot2qt project, it's running Yocto version 2.2.3, and Linux kernel 4.4.50. I need to back port some changes to a file in drivers/net/can/spi. I confused about where and how I set up the patch file.

I have a linux-raspberrypi_4.4.bbappend file. Do I put the patch file in that, and If so, how do I indicate the path to the file?

Thanks for the help and enlightenment,

Greg Wilson-Lindberg
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