diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-02-06 09:28:15 -0500 |
|---|---|---|
| committer | Samuel Ortiz <samuel@sortiz.org> | 2009-02-17 03:00:14 -0500 |
| commit | 2f161f4485535df85451a8cfdf2487c315f665f5 (patch) | |
| tree | 064d50869d0a73aa8e11b72c54d9350dd67e781c /drivers | |
| parent | 9427c34bc72f05b519e8466f27c38a3327bae157 (diff) | |
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>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | 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 ea3801833176..84d5ea1ec171 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, | |||
| 1419 | return ret; | 1419 | return ret; |
| 1420 | } | 1420 | } |
| 1421 | 1421 | ||
| 1422 | wm8350_reg_write(wm8350, WM8350_SYSTEM_INTERRUPTS_MASK, 0xFFFF); | ||
| 1423 | wm8350_reg_write(wm8350, WM8350_INT_STATUS_1_MASK, 0xFFFF); | ||
| 1424 | wm8350_reg_write(wm8350, WM8350_INT_STATUS_2_MASK, 0xFFFF); | ||
| 1425 | wm8350_reg_write(wm8350, WM8350_UNDER_VOLTAGE_INT_STATUS_MASK, 0xFFFF); | ||
| 1426 | wm8350_reg_write(wm8350, WM8350_GPIO_INT_STATUS_MASK, 0xFFFF); | ||
| 1427 | wm8350_reg_write(wm8350, WM8350_COMPARATOR_INT_STATUS_MASK, 0xFFFF); | ||
| 1428 | |||
| 1422 | mutex_init(&wm8350->auxadc_mutex); | 1429 | mutex_init(&wm8350->auxadc_mutex); |
| 1423 | mutex_init(&wm8350->irq_mutex); | 1430 | mutex_init(&wm8350->irq_mutex); |
| 1424 | INIT_WORK(&wm8350->irq_work, wm8350_irq_worker); | 1431 | INIT_WORK(&wm8350->irq_work, wm8350_irq_worker); |