[PATCH 4.9 030/104] pinctrl: st: add irq_request/release_resources callbacks

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Patrice Chotard [ Upstream commit e855fa9a65c40788b5069abb0d094537daa22e05 ] When using GPIO as IRQ source, the GPIO must be configured in INPUT. Callbacks dedicated

[PATCH 4.9 030/104] pinctrl: st: add irq_request/release_resources callbacks

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Patrice Chotard [ Upstream commit e855fa9a65c40788b5069abb0d094537daa22e05 ] When using GPIO as IRQ source, the GPIO must be configured in INPUT. Callbacks dedicated for this was missing in