Messages in this thread Patch in this message | | | From | Mark Brown <> | Date | Thu, 5 Feb 2009 18:13:41 +0000 | 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@opensource.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 d784b3e..c384cd2 100644 --- a/drivers/mfd/wm8350-core.c +++ b/drivers/mfd/wm8350-core.c @@ -1422,6 +1422,13 @@ 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
| |