How to test/debug the changes are fine?

Document created by sonic Employee on Feb 24, 2016
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Linux is well designed to perform a collection of function by having drivers/middleware stacks/apps working together, so we usually test the function of a specific physical function from the userspace,  the CAN bus link above is a good example. For audio module we can test it with alsa-utils, and Flash with mtd-utils. Browsing the blackfin Linux wiki document to view more of them in great details. For general debugging method we have some descriptions in the blackfin Linux wiki document, search “debugging” in it you get lots of output.