linux-kernel - Re: [PATCH v2 1/4] pci: OF: Fix the conversion of IO ranges into IO resources.

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Message-ID: <14735193.MhDlU8yNYG@wuerfel>
Date:	Thu, 27 Feb 2014 14:20:54 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Liviu Dudau <Liviu.Dudau@....com>
Cc:	linux-pci <linux-pci@...r.kernel.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Catalin Marinas <Catalin.Marinas@....com>,
	Will Deacon <Will.Deacon@....com>,
	linaro-kernel <linaro-kernel@...ts.linaro.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	LAKML <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v2 1/4] pci: OF: Fix the conversion of IO ranges into IO resources.

On Thursday 27 February 2014 13:06:39 Liviu Dudau wrote:
> +       res->flags = range->flags;
> +       if (res->flags & IORESOURCE_IO) {
> +               unsigned long port;
> +               port = pci_address_to_pio(range->pci_addr);
> +               if (port == (unsigned long)-1) {
> +                       res->start = (resource_size_t)OF_BAD_ADDR;
> +                       res->end = (resource_size_t)OF_BAD_ADDR;
> +                       return;
> +               }
> 

I think this conflicts with the way that pci_address_to_pio() is
defined on powerpc, where it expects a CPU address as the input,
not a PCI i/o address.

	Arnd
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