pasemi_mac: Convert to new dma library

#include <linux/phy.h>

struct pasemi_mac_txring {

	struct pasemi_dmachan chan; /* Must be first */

	spinlock_t	 lock;

	u64		*status; /* Ptr to cacheable status area */

	u64		*ring;

	dma_addr_t	 dma;

	unsigned int	 size;

	unsigned int	 next_to_fill;

	unsigned int	 next_to_clean;

	struct pasemi_mac_buffer *ring_info;

	int		 chan;

	struct pasemi_mac *mac;	/* Needed in intr handler */

};

struct pasemi_mac_rxring {

	struct pasemi_dmachan chan; /* Must be first */

	spinlock_t	 lock;

	u64		*status; /* Ptr to cacheable status area */

	u64		*ring;	/* RX channel descriptor ring */

	dma_addr_t	 dma;

	u64		*buffers;	/* RX interface buffer ring */

	dma_addr_t	 buf_dma;

	unsigned int	 size;

struct pasemi_mac {

	struct net_device *netdev;

	void __iomem *regs;

	void __iomem *dma_regs;

	void __iomem *iob_regs;

	struct pci_dev *pdev;

	struct pci_dev *dma_pdev;

	struct pci_dev *iob_pdev;

	u8		type;

#define MAC_TYPE_GMAC	1

#define MAC_TYPE_XAUI	2

	u32	dma_txch;

	u32	dma_rxch;

	u32	dma_if;

	u8		mac_addr[6];

	struct pasemi_mac_txring *tx;

	struct pasemi_mac_rxring *rx;

	unsigned int	tx_irq;

	unsigned int	rx_irq;

	char		tx_irq_name[10];		/* "eth%d tx" */

	char		rx_irq_name[10];		/* "eth%d rx" */

	int	link;