overlaycheck: Detect unused pinctrl declarations #155
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Nodes under the gpio controller node are treated as potential pin configurations. However, they aren't used unless a device node refers to them via a pinctrl-<n> property (or if they contain a "gpio-hog" property). Add a check that all pin group declarations added by an overlay are at least potentially used by the overlay.
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To be merged after raspberrypi/linux#7158. |
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Nodes under the gpio controller node are treated as potential pin configurations. However, they aren't used unless a device node refers to them via a pinctrl- property (or if they contain a "gpio-hog" property).
Add a check that all pin group declarations added by an overlay are at least potentially used by the overlay.