From mboxrd@z Thu Jan  1 00:00:00 1970
From: Anatolij Gustschin <agust@denx.de>
Date: Thu, 14 Aug 2014 11:44:31 +0200
Subject: [U-Boot] [PATCH] pci: fix overflow in __pci_hose_bus_to_phys w/
 large RAM
In-Reply-To: <1407794968-32106-1-git-send-email-swarren@wwwdotorg.org>
References: <1407794968-32106-1-git-send-email-swarren@wwwdotorg.org>
Message-ID: <20140814114431.09e155fb@crub>
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On Mon, 11 Aug 2014 16:09:28 -0600
Stephen Warren <swarren@wwwdotorg.org> wrote:

> From: Stephen Warren <swarren@nvidia.com>
> 
> If a 32-bit system has 2GB of RAM, and the base address of that RAM is
> 2GB, then start+size will overflow a 32-bit value (to a value of 0).
> 
> To avoid such an overflow, convert __pci_hose_bus_to_phys() to calculate
> the offset of a bus address into a PCI region, rather than comparing a
> bus address against the end of a PCI region.
> 
> Signed-off-by: Stephen Warren <swarren@nvidia.com>
> ---
>  drivers/pci/pci.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

applied to u-boot-staging/agust at denx.de. thanks!

Anatolij