linux-kernel - Re: [PATCH] dma: at_hdmac: use %pad format string for dma_addr

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Message-ID: <20151116035219.GB25173@localhost>
Date:	Mon, 16 Nov 2015 09:22:20 +0530
From:	Vinod Koul <vinod.koul@...el.com>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	dmaengine@...r.kernel.org,
	Ludovic Desroches <ludovic.desroches@...el.com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dma: at_hdmac: use %pad format string for dma_addr_t

On Thu, Nov 12, 2015 at 03:18:22PM +0100, Arnd Bergmann wrote:
> dma_addr_t may be defined as 32 or 64 bit depending on configuration,
> so it cannot be printed using the normal format strings, as
> gcc correctly warns:
> 
> drivers/dma/at_hdmac.c: In function 'atc_prep_dma_interleaved':
> drivers/dma/at_hdmac.c:731:28: warning: format '%x' expects argument of type 'unsigned int', but argument 4 has type 'dma_addr_t {aka long long unsigned int}' [-Wformat=]
> 
> This changes the format strings to use the special "%pad" format
> string that prints a dma_addr_t, and changes the arguments so we
> pass the address by reference as required.
> 

Applied, thanks

-- 
~Vinod
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