linux-kernel - Re: [PATCH] gpu: host1x: use %pa to print dma_addr

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Date:	Mon, 16 Sep 2013 17:17:17 +0200
From:	Thierry Reding <thierry.reding@...il.com>
To:	Olof Johansson <olof@...om.net>
Cc:	Terje Bergström <tbergstrom@...dia.com>,
	dri-devel@...ts.freedesktop.org, linux-tegra@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] gpu: host1x: use %pa to print dma_addr_t

On Wed, Sep 11, 2013 at 09:41:49PM -0700, Olof Johansson wrote:
> This removes two warnings where dma_addr_t variables were printed using
> %x when built with CONFIG_ARM_LPAE=y, thus having 64-bit dma_addr_t:
> 
>   drivers/gpu/host1x/hw/cdma_hw.c:57:3: warning: format '%x' expects argument of type 'unsigned int', but argument 5 has type 'dma_addr_t'
>   drivers/gpu/host1x/hw/debug_hw.c:175:10: warning: format '%x' expects argument of type 'unsigned int', but argument 3 has type 'dma_addr_t'

Hi Olof,

I can't reproduce this. Does this perhaps depend on some other patch?
When I enable LPAE I do see similar warnings in drivers/iommu/tegra-*.c
and those can indeed be fixed using an equivalent patch.

Thierry

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