extcon: max77843: Clear IRQ bits state before request IRQ

IRQ signal before driver probe is needless because driver sends
current state after platform booting done.
So, this patch clears MUIC IRQ bits before request IRQ.

Signed-off-by: Jaewon Kim <jaewon02.kim@samsung.com>
Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>

diff --git a/drivers/extcon/extcon-max77843.c b/drivers/extcon/extcon-max77843.c
index fac2f1417a79ca47752839b79ae7a07522cb1ebb..cc5e7bca38c8579df8ad07233d8b4a8b09164a19 100644 (file)
--- a/drivers/extcon/extcon-max77843.c
+++ b/drivers/extcon/extcon-max77843.c
@@ -781,6 +781,15 @@ static int max77843_muic_probe(struct platform_device *pdev)
        /* Support virtual irq domain for max77843 MUIC device */
        INIT_WORK(&info->irq_work, max77843_muic_irq_work);
 
+       /* Clear IRQ bits before request IRQs */
+       ret = regmap_bulk_read(max77843->regmap_muic,
+                       MAX77843_MUIC_REG_INT1, info->status,
+                       MAX77843_MUIC_IRQ_NUM);
+       if (ret) {
+               dev_err(&pdev->dev, "Failed to Clear IRQ bits\n");
+               goto err_muic_irq;
+       }
+
        for (i = 0; i < ARRAY_SIZE(max77843_muic_irqs); i++) {
                struct max77843_muic_irq *muic_irq = &max77843_muic_irqs[i];
                unsigned int virq = 0;