linux-kernel - Re: [PATCH] dma: ste_dma: Fix warning when CONFIG_ARM

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Date:	Thu, 22 Aug 2013 05:37:52 -0700
From:	Kevin Hilman <khilman@...aro.org>
To:	Fabio Estevam <festevam@...il.com>
Cc:	linus.walleij@...aro.org, vinod.koul@...el.com,
	linux-kernel@...r.kernel.org,
	Fabio Estevam <fabio.estevam@...escale.com>
Subject: Re: [PATCH] dma: ste_dma: Fix warning when CONFIG_ARM_LPAE=y

Fabio Estevam <festevam@...il.com> writes:

> From: Fabio Estevam <fabio.estevam@...escale.com>
>
> When CONFIG_ARM_LPAE=y the following build warning are generated:
>
> drivers/dma/ste_dma40.c:3228:2: warning: format '%x' expects argument of type 'unsigned int', but argument 4 has type 'resource_size_t' [-Wformat]
> drivers/dma/ste_dma40.c:3582:3: warning: format '%x' expects argument of type 'unsigned int', but argument 4 has type 'resource_size_t' [-Wformat]
> drivers/dma/ste_dma40.c:3582:3: warning: format '%x' expects argument of type 'unsigned int', but argument 5 has type 'resource_size_t' [-Wformat]
> drivers/dma/ste_dma40.c:3593:5: warning: format '%x' expects argument of type 'unsigned int', but argument 5 has type 'resource_size_t' [-Wformat]
>
> According to Documentation/printk-formats.txt '%pa' can be used to properly 
> print 'resource_size_t'.
>
> Also, for printing memory region the '%pr' is more convenient.
>
> Reported-by: Kevin Hilman <khilman@...aro.org>
> Signed-off-by: Fabio Estevam <fabio.estevam@...escale.com>

Acked-by: Kevin Hilman <khilman@...aro.org>

And I verified the compile problem is gone away with arm_v7_defconfig +
CONFIG_ARM_LPAE=y

Thanks for the fix!

Kevin
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