From mboxrd@z Thu Jan  1 00:00:00 1970
From: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
Subject: Re: [PATCH v2 1/4] pci: OF: Fix the conversion of IO ranges into IO resources.
Date: Thu, 27 Feb 2014 14:20:54 +0100
Message-ID: <14735193.MhDlU8yNYG@wuerfel>
References: <1393506402-11474-1-git-send-email-Liviu.Dudau@arm.com> <1393506402-11474-2-git-send-email-Liviu.Dudau@arm.com>
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To: Liviu Dudau <Liviu.Dudau-5wv7dgnIgG8@public.gmane.org>
Cc: linux-pci <linux-pci-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, Bjorn Helgaas <bhelgaas-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>, Catalin Marinas <Catalin.Marinas-5wv7dgnIgG8@public.gmane.org>, Will Deacon <Will.Deacon-5wv7dgnIgG8@public.gmane.org>, linaro-kernel <linaro-kernel-cunTk1MwBs8s++Sfvej+rw@public.gmane.org>, LKML <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, "devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" <devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, LAKML <linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>
List-Id: devicetree@vger.kernel.org

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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