Re: [PATCH v7 2/6] pci: OF: Fix the conversion of IO ranges into IO resources.

From: Liviu Dudau
Date: Fri Mar 14 2014 - 13:19:44 EST


On Fri, Mar 14, 2014 at 05:05:28PM +0000, Arnd Bergmann wrote:
> On Friday 14 March 2014, Liviu Dudau wrote:
> > +int of_pci_range_to_resource(struct of_pci_range *range,
> > + struct device_node *np, struct resource *res)
> > +{
> > + res->flags = range->flags;
> > + if (res->flags & IORESOURCE_IO) {
> > + unsigned long port = -1;
> > + int err = pci_register_io_range(range->cpu_addr, range->size);
> > + if (err)
> > + return err;
> > + port = pci_address_to_pio(range->cpu_addr);
> > + if (port == (unsigned long)-1) {
> > + res->start = (resource_size_t)OF_BAD_ADDR;
> > + res->end = (resource_size_t)OF_BAD_ADDR;
> > + return -EINVAL;
> > + }
>
> The error handling is inconsistent here: in one case you set the resource
> to OF_BAD_ADDR, in the other one you don't.
>
> Arnd
>

You are right, that was lazy of me. What about this version?

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