diff options
Diffstat (limited to 'drivers/mfd/wm831x-irq.c')
| -rw-r--r-- | drivers/mfd/wm831x-irq.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/mfd/wm831x-irq.c b/drivers/mfd/wm831x-irq.c index 90ad3fa91329..03eb61dd0965 100644 --- a/drivers/mfd/wm831x-irq.c +++ b/drivers/mfd/wm831x-irq.c @@ -449,6 +449,18 @@ static irqreturn_t wm831x_irq_thread(int irq, void *data) goto out; } + /* The touch interrupts are visible in the primary register as + * an optimisation; open code this to avoid complicating the + * main handling loop and so we can also skip iterating the + * descriptors. + */ + if (primary & WM831X_TCHPD_INT) + handle_nested_irq(wm831x->irq_base + WM831X_IRQ_TCHPD); + if (primary & WM831X_TCHDATA_INT) + handle_nested_irq(wm831x->irq_base + WM831X_IRQ_TCHDATA); + if (primary & (WM831X_TCHDATA_EINT | WM831X_TCHPD_EINT)) + goto out; + for (i = 0; i < ARRAY_SIZE(wm831x_irqs); i++) { int offset = wm831x_irqs[i].reg - 1; |