depends on DEBUG_KERNEL
help
Say Y here to add some extra checks and diagnostics to GPIO calls.
- The checks help ensure that GPIOs have been properly initialized
- before they are used and that sleeping calls aren not made from
- nonsleeping contexts. They can make bitbanged serial protocols
+ These checks help ensure that GPIOs have been properly initialized
+ before they are used, and that sleeping calls are not made from
+ non-sleeping contexts. They can make bitbanged serial protocols
slower. The diagnostics help catch the type of setup errors
that are most common when setting up new platforms or boards.