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Commit 2f161f44 authored by Mark Brown's avatar Mark Brown Committed by Samuel Ortiz
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mfd: Ensure all WM8350 IRQs are masked at startup 



The IRQs might have been left enabled in hardware, generating spurious
IRQs before the drivers have registered.

Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: default avatarSamuel Ortiz <sameo@openedhand.com>
parent 9427c34b

drivers/mfd/wm8350-core.c

+7 −0
Original line number Diff line number Diff line
@@ -1419,6 +1419,13 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq, 
		return ret;

	}



	wm8350_reg_write(wm8350, WM8350_SYSTEM_INTERRUPTS_MASK, 0xFFFF);

	wm8350_reg_write(wm8350, WM8350_INT_STATUS_1_MASK, 0xFFFF);

	wm8350_reg_write(wm8350, WM8350_INT_STATUS_2_MASK, 0xFFFF);

	wm8350_reg_write(wm8350, WM8350_UNDER_VOLTAGE_INT_STATUS_MASK, 0xFFFF);

	wm8350_reg_write(wm8350, WM8350_GPIO_INT_STATUS_MASK, 0xFFFF);

	wm8350_reg_write(wm8350, WM8350_COMPARATOR_INT_STATUS_MASK, 0xFFFF);



	mutex_init(&wm8350->auxadc_mutex);

	mutex_init(&wm8350->irq_mutex);

	INIT_WORK(&wm8350->irq_work, wm8350_irq_worker);