From a19e4a1b4c63c3c3fd151ec443b395bcaeba59bd Mon Sep 17 00:00:00 2001 From: Baolin Wang Date: Wed, 10 Apr 2019 15:47:54 +0800 Subject: [PATCH] gpio: eic: sprd: Fix incorrect irq type setting for the sync EIC commit 102bbe34b31c9159e714432afd64458f6f3876d7 upstream. When setting sync EIC as IRQ_TYPE_EDGE_BOTH type, we missed to set the SPRD_EIC_SYNC_INTMODE register to 0, which means detecting edge signals. Thus this patch fixes the issue. Fixes: 25518e024e3a ("gpio: Add Spreadtrum EIC driver support") Cc: Signed-off-by: Baolin Wang Signed-off-by: Linus Walleij Signed-off-by: Greg Kroah-Hartman --- drivers/gpio/gpio-eic-sprd.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpio/gpio-eic-sprd.c b/drivers/gpio/gpio-eic-sprd.c index e41223c..6cf2e2c 100644 --- a/drivers/gpio/gpio-eic-sprd.c +++ b/drivers/gpio/gpio-eic-sprd.c @@ -414,6 +414,7 @@ static int sprd_eic_irq_set_type(struct irq_data *data, unsigned int flow_type) irq_set_handler_locked(data, handle_edge_irq); break; case IRQ_TYPE_EDGE_BOTH: + sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTMODE, 0); sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTBOTH, 1); irq_set_handler_locked(data, handle_edge_irq); break; -- 2.7.4