diff options
| -rw-r--r-- | drivers/media/rc/nuvoton-cir.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/media/rc/nuvoton-cir.c b/drivers/media/rc/nuvoton-cir.c index 00215f343819..0c69536ea813 100644 --- a/drivers/media/rc/nuvoton-cir.c +++ b/drivers/media/rc/nuvoton-cir.c @@ -886,6 +886,15 @@ static irqreturn_t nvt_cir_isr(int irq, void *data) status = nvt_cir_reg_read(nvt, CIR_IRSTS); iren = nvt_cir_reg_read(nvt, CIR_IREN); + /* At least NCT6779D creates a spurious interrupt when the + * logical device is being disabled. + */ + if (status == 0xff && iren == 0xff) { + spin_unlock_irqrestore(&nvt->nvt_lock, flags); + nvt_dbg_verbose("Spurious interrupt detected"); + return IRQ_HANDLED; + } + /* IRQ may be shared with CIR WAKE, therefore check for each * status bit whether the related interrupt source is enabled */ |