On Tue, May 28, 2019 at 01:30:28PM +0300, Mika Westerberg wrote:
> On Mon, May 27, 2019 at 04:19:28PM +0100, Charles Keepax wrote:
> >  static int i2c_acpi_get_info(struct acpi_device *adev,
> >                          struct i2c_board_info *info,
> >                          struct i2c_adapter *adapter,
> >                          acpi_handle *adapter_handle)
> >  {
> >     struct list_head resource_list;
> > -   struct resource_entry *entry;
> >     struct i2c_acpi_lookup lookup;
> > +   int irq = -ENOENT;
> >     int ret;
> >  
> >     memset(&lookup, 0, sizeof(lookup));
> > @@ -176,16 +187,13 @@ static int i2c_acpi_get_info(struct acpi_device *adev,
> >  
> >     /* Then fill IRQ number if any */
> >     INIT_LIST_HEAD(&resource_list);
> > -   ret = acpi_dev_get_resources(adev, &resource_list, NULL, NULL);
> > +   ret = acpi_dev_get_resources(adev, &resource_list,
> > +                                i2c_acpi_add_resource, &irq);
> >     if (ret < 0)
> >             return -EINVAL;
> >  
> > -   resource_list_for_each_entry(entry, &resource_list) {
> > -           if (resource_type(entry->res) == IORESOURCE_IRQ) {
> > -                   info->irq = entry->res->start;
> > -                   break;
> > -           }
> > -   }
> > +   if (irq >= 0)
> 
> Since 0 is not valid IRQ, I think this should be written like:
> 
>       if (irg > 0)
> 

Yeah sorry thought IRQs were like GPIOs where 0 is a valid
number, will update the patches.

Thanks,
Charles
> > +           info->irq = irq;
> >  
> >     acpi_dev_free_resource_list(&resource_list);
> >  
> > -- 
> > 2.11.0

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