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CONFIG_DEBUG_GPIO: Debug GPIO calls

General informations

The Linux kernel configuration item CONFIG_DEBUG_GPIO:

Help text

Say Y here to add some extra checks and diagnostics to GPIO calls. 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.

Hardware

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