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gpio: eic: sprd: Fix incorrect irq type setting for the sync EIC 

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: 25518e024e ("gpio: Add Spreadtrum EIC driver support")
Cc: <stable@vger.kernel.org>
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Baolin Wang 2019-04-10 15:47:54 +08:00 committed by Linus Walleij
parent 79a3aaa7b8
commit 102bbe34b3
1 changed files with 1 additions and 0 deletions
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drivers/gpio/gpio-eic-sprd.c
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@ -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); irq_set_handler_locked(data, handle_edge_irq);
break; break;
case IRQ_TYPE_EDGE_BOTH: 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); sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTBOTH, 1);
irq_set_handler_locked(data, handle_edge_irq); irq_set_handler_locked(data, handle_edge_irq);
break; break;