linux-kernel - Re: [PATCH] dmaengine: zynqmp: avoid cast warning

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Date:	Tue, 12 Jul 2016 10:03:46 +0530
From:	Vinod Koul <vinod.koul@...el.com>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Dan Williams <dan.j.williams@...el.com>,
	Michal Simek <michal.simek@...inx.com>,
	Sören Brinkmann <soren.brinkmann@...inx.com>,
	Kedareswara rao Appana <appana.durga.rao@...inx.com>,
	dmaengine@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dmaengine: zynqmp: avoid cast warning

On Mon, Jul 11, 2016 at 11:46:09PM +0200, Arnd Bergmann wrote:
> The newly added zynqmp_dma driver produces a warning on 32-bit architectures
> when dma_addr_t is 64-bit wide:
> 
> drivers/dma/xilinx/zynqmp_dma.c: In function 'zynqmp_dma_config_sg_ll_desc':
> drivers/dma/xilinx/zynqmp_dma.c:321:9: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast]
>         ((dma_addr_t)sdesc - (dma_addr_t)chan->desc_pool_v);
>          ^
> drivers/dma/xilinx/zynqmp_dma.c:321:29: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast]
>         ((dma_addr_t)sdesc - (dma_addr_t)chan->desc_pool_v);
> 
> This changes the cast to the more appropriate uintptr_t.

Applied, thanks

-- 
~Vinod