On 12/12/2010 12:46 PM, Mark Brown wrote:
quoted text
> Convert the jz4740-adc driver to use the recently introduced IRQ API
> variants which are passed struct irq_data rather than an IRQ number.
> 
> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
> ---
>  drivers/mfd/jz4740-adc.c |   24 ++++++++++++------------
>  1 files changed, 12 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/mfd/jz4740-adc.c b/drivers/mfd/jz4740-adc.c
> index 9dd1b33..7188c06 100644
> --- a/drivers/mfd/jz4740-adc.c
> +++ b/drivers/mfd/jz4740-adc.c
> @@ -84,31 +84,31 @@ static inline void jz4740_adc_irq_set_masked(struct jz4740_adc *adc, int irq,
>  	spin_unlock_irqrestore(&adc->lock, flags);
>  }
>  
> -static void jz4740_adc_irq_mask(unsigned int irq)
> +static void jz4740_adc_irq_mask(struct irq_data *data)
>  {
> -	struct jz4740_adc *adc = get_irq_chip_data(irq);
> -	jz4740_adc_irq_set_masked(adc, irq, true);
> +	struct jz4740_adc *adc = irq_data_get_irq_chip_data(data);
> +	jz4740_adc_irq_set_masked(adc, data->irq, true);
>  }
>  
> -static void jz4740_adc_irq_unmask(unsigned int irq)
> +static void jz4740_adc_irq_unmask(struct irq_data *data)
>  {
> -	struct jz4740_adc *adc = get_irq_chip_data(irq);
> -	jz4740_adc_irq_set_masked(adc, irq, false);
> +	struct jz4740_adc *adc = irq_data_get_irq_chip_data(data);
> +	jz4740_adc_irq_set_masked(adc, data->irq, false);
>  }
>  
> -static void jz4740_adc_irq_ack(unsigned int irq)
> +static void jz4740_adc_irq_ack(struct irq_data *data)
>  {
> -	struct jz4740_adc *adc = get_irq_chip_data(irq);
> +	struct jz4740_adc *adc = irq_data_get_irq_chip_data(data);
>  
> -	irq -= adc->irq_base;
> +	data->irq -= adc->irq_base;
data->irq is decremented now each time an irq is acked
quoted text
>  	writeb(BIT(irq), adc->base + JZ_REG_ADC_STATUS);
And 'irq' is undefined.

I'll send a patch as reply which is compile and runtime tested.
quoted text
>  }
>  
>  static struct irq_chip jz4740_adc_irq_chip = {
>  	.name = "jz4740-adc",
> -	.mask = jz4740_adc_irq_mask,
> -	.unmask = jz4740_adc_irq_unmask,
> -	.ack = jz4740_adc_irq_ack,
> +	.irq_mask = jz4740_adc_irq_mask,
> +	.irq_unmask = jz4740_adc_irq_unmask,
> +	.irq_ack = jz4740_adc_irq_ack,
>  };
>  
>  static void jz4740_adc_irq_demux(unsigned int irq, struct irq_desc *desc)

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