4.20-stable review patch. If anyone has any objections, please let me know.
------------------ From: Neo Hou <[email protected]> commit f785ffb61605734b518afa766d1b5445e9f38c8d upstream. When setting async EIC as IRQ_TYPE_EDGE_BOTH type, we missed to set the SPRD_EIC_ASYNC_INTMODE register to 0, which means detecting edge signals. Thus this patch fixes the issue. Fixes: 25518e024e3a ("gpio: Add Spreadtrum EIC driver support") Cc: <[email protected]> Signed-off-by: Neo Hou <[email protected]> Signed-off-by: Baolin Wang <[email protected]> Signed-off-by: Bartosz Golaszewski <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/gpio/gpio-eic-sprd.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/gpio/gpio-eic-sprd.c +++ b/drivers/gpio/gpio-eic-sprd.c @@ -379,6 +379,7 @@ static int sprd_eic_irq_set_type(struct irq_set_handler_locked(data, handle_edge_irq); break; case IRQ_TYPE_EDGE_BOTH: + sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTMODE, 0); sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTBOTH, 1); irq_set_handler_locked(data, handle_edge_irq); break;
