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Date: Mon, 26 Jan 2009 19:23:19 +0000 From: Mark Brown <broonie@...nsource.wolfsonmicro.com> To: Samuel Ortiz <sameo@...nedhand.com> Cc: linux-kernel@...r.kernel.org, Mark Brown <broonie@...nsource.wolfsonmicro.com> Subject: [PATCH 2/2] 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: Mark Brown <broonie@...nsource.wolfsonmicro.com> --- drivers/mfd/wm8350-core.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c index 908284c..3024aa2 100644 --- a/drivers/mfd/wm8350-core.c +++ b/drivers/mfd/wm8350-core.c @@ -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); -- 1.5.6.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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