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FMC TDC 1ns 5cha - Software
Commit 19d22fd4 authored by Federico Vaga's avatar Federico Vaga
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drv: WARN if spurious IRQ 

Signed-off-by: Federico Vaga's avatarFederico Vaga <federico.vaga@cern.ch>
parent 4280de0d
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kernel/ft-irq.c
View file @ 19d22fd4
......@@ -425,12 +425,21 @@ static irqreturn_t ft_irq_handler_ts(int irq, void *dev_id)
{
struct fmc_device *fmc = dev_id;
struct fmctdc_dev *ft = fmc->mezzanine_data;
uint32_t irq_stat;
uint32_t irq_stat, chan_stat;
irq_stat = ft_ioread(ft, ft->ft_irq_base + TDC_EIC_REG_EIC_ISR);
if (!irq_stat)
return IRQ_NONE;
chan_stat = ft_readl(ft, TDC_REG_INPUT_ENABLE);
chan_stat &= TDC_INPUT_ENABLE_CH_ALL;
chan_stat >>= TDC_INPUT_ENABLE_CH1_SHIFT;
chan_stat = ft_chan_to_irq_mask(ft, chan_stat);
WARN((chan_stat & irq_stat) == 0,
"Received an unexpected interrupt: 0x%X 0x%X\n",
chan_stat, irq_stat);
/* Disable interrupts until we fetch all stored samples */
ft_irq_disable_save(ft);
......
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