From d1ab1f54a1b0fb0ae6479fad6e26983f09fd263a Mon Sep 17 00:00:00 2001
From: =?utf8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Thu, 20 Jan 2011 09:26:38 +0100
Subject: [PATCH] net/fec: provide device for dma functions and matching sizes
 for map and unmap
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This fixes warnings when CONFIG_DMA_API_DEBUG=y:

	NULL NULL: DMA-API: device driver tries to free DMA memory it has not allocated [device address=0x000000004781a020] [size=64 bytes]
	net eth0: DMA-API: device driver frees DMA memory with different size [device address=0x000000004781a020] [map size=2048 bytes] [unmap size=64 bytes]

Moreover pass the platform device to dma_{,un}map_single which makes
more sense because the logical network device doesn't know anything
about dma.

Passing the platform device was a suggestion by Lothar Waßmann.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
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