b43legacy: remove 64-bit DMA support

Devices supported by b43legacy don't support 64-bit DMA.

Signed-off-by: Pavel Roskin <proski@gnu.org>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 0 insertions, 107 deletions

diff --git a/drivers/net/wireless/b43legacy/dma.h b/drivers/net/wireless/b43legacy/dma.h
index 686941c242fc..504a58767e95 100644
--- a/drivers/net/wireless/b43legacy/dma.h
+++ b/drivers/net/wireless/b43legacy/dma.h
@@ -82,90 +82,6 @@ struct b43legacy_dmadesc32 {
 #define B43legacy_DMA32_DCTL_FRAMESTART		0x80000000
 
 
-
-/*** 64-bit DMA Engine. ***/
-
-/* 64-bit DMA controller registers. */
-#define B43legacy_DMA64_TXCTL				0x00
-#define		B43legacy_DMA64_TXENABLE		0x00000001
-#define		B43legacy_DMA64_TXSUSPEND		0x00000002
-#define		B43legacy_DMA64_TXLOOPBACK		0x00000004
-#define		B43legacy_DMA64_TXFLUSH			0x00000010
-#define		B43legacy_DMA64_TXADDREXT_MASK		0x00030000
-#define		B43legacy_DMA64_TXADDREXT_SHIFT		16
-#define B43legacy_DMA64_TXINDEX				0x04
-#define B43legacy_DMA64_TXRINGLO			0x08
-#define B43legacy_DMA64_TXRINGHI			0x0C
-#define B43legacy_DMA64_TXSTATUS			0x10
-#define		B43legacy_DMA64_TXSTATDPTR		0x00001FFF
-#define		B43legacy_DMA64_TXSTAT			0xF0000000
-#define			B43legacy_DMA64_TXSTAT_DISABLED	0x00000000
-#define			B43legacy_DMA64_TXSTAT_ACTIVE	0x10000000
-#define			B43legacy_DMA64_TXSTAT_IDLEWAIT	0x20000000
-#define			B43legacy_DMA64_TXSTAT_STOPPED	0x30000000
-#define			B43legacy_DMA64_TXSTAT_SUSP	0x40000000
-#define B43legacy_DMA64_TXERROR				0x14
-#define		B43legacy_DMA64_TXERRDPTR		0x0001FFFF
-#define		B43legacy_DMA64_TXERR			0xF0000000
-#define			B43legacy_DMA64_TXERR_NOERR	0x00000000
-#define			B43legacy_DMA64_TXERR_PROT	0x10000000
-#define			B43legacy_DMA64_TXERR_UNDERRUN	0x20000000
-#define			B43legacy_DMA64_TXERR_TRANSFER	0x30000000
-#define			B43legacy_DMA64_TXERR_DESCREAD	0x40000000
-#define			B43legacy_DMA64_TXERR_CORE	0x50000000
-#define B43legacy_DMA64_RXCTL				0x20
-#define		B43legacy_DMA64_RXENABLE		0x00000001
-#define		B43legacy_DMA64_RXFROFF_MASK		0x000000FE
-#define		B43legacy_DMA64_RXFROFF_SHIFT		1
-#define		B43legacy_DMA64_RXDIRECTFIFO		0x00000100
-#define		B43legacy_DMA64_RXADDREXT_MASK		0x00030000
-#define		B43legacy_DMA64_RXADDREXT_SHIFT		16
-#define B43legacy_DMA64_RXINDEX				0x24
-#define B43legacy_DMA64_RXRINGLO			0x28
-#define B43legacy_DMA64_RXRINGHI			0x2C
-#define B43legacy_DMA64_RXSTATUS			0x30
-#define		B43legacy_DMA64_RXSTATDPTR		0x00001FFF
-#define		B43legacy_DMA64_RXSTAT			0xF0000000
-#define			B43legacy_DMA64_RXSTAT_DISABLED	0x00000000
-#define			B43legacy_DMA64_RXSTAT_ACTIVE	0x10000000
-#define			B43legacy_DMA64_RXSTAT_IDLEWAIT	0x20000000
-#define			B43legacy_DMA64_RXSTAT_STOPPED	0x30000000
-#define			B43legacy_DMA64_RXSTAT_SUSP	0x40000000
-#define B43legacy_DMA64_RXERROR				0x34
-#define		B43legacy_DMA64_RXERRDPTR		0x0001FFFF
-#define		B43legacy_DMA64_RXERR			0xF0000000
-#define			B43legacy_DMA64_RXERR_NOERR	0x00000000
-#define			B43legacy_DMA64_RXERR_PROT	0x10000000
-#define			B43legacy_DMA64_RXERR_UNDERRUN	0x20000000
-#define			B43legacy_DMA64_RXERR_TRANSFER	0x30000000
-#define			B43legacy_DMA64_RXERR_DESCREAD	0x40000000
-#define			B43legacy_DMA64_RXERR_CORE	0x50000000
-
-/* 64-bit DMA descriptor. */
-struct b43legacy_dmadesc64 {
-	__le32 control0;
-	__le32 control1;
-	__le32 address_low;
-	__le32 address_high;
-} __packed;
-#define B43legacy_DMA64_DCTL0_DTABLEEND		0x10000000
-#define B43legacy_DMA64_DCTL0_IRQ		0x20000000
-#define B43legacy_DMA64_DCTL0_FRAMEEND		0x40000000
-#define B43legacy_DMA64_DCTL0_FRAMESTART	0x80000000
-#define B43legacy_DMA64_DCTL1_BYTECNT		0x00001FFF
-#define B43legacy_DMA64_DCTL1_ADDREXT_MASK	0x00030000
-#define B43legacy_DMA64_DCTL1_ADDREXT_SHIFT	16
-
-
-
-struct b43legacy_dmadesc_generic {
-	union {
-		struct b43legacy_dmadesc32 dma32;
-		struct b43legacy_dmadesc64 dma64;
-	} __packed;
-} __packed;
-
-
 /* Misc DMA constants */
 #define B43legacy_DMA_RINGMEMSIZE	PAGE_SIZE
 #define B43legacy_DMA0_RX_FRAMEOFFSET	30
@@ -197,35 +113,12 @@ struct b43legacy_dmadesc_meta {
 	bool is_last_fragment;
 };
 
-struct b43legacy_dmaring;
-
-/* Lowlevel DMA operations that differ between 32bit and 64bit DMA. */
-struct b43legacy_dma_ops {
-	struct b43legacy_dmadesc_generic * (*idx2desc)
-					   (struct b43legacy_dmaring *ring,
-					   int slot,
-					   struct b43legacy_dmadesc_meta
-					   **meta);
-	void (*fill_descriptor)(struct b43legacy_dmaring *ring,
-				struct b43legacy_dmadesc_generic *desc,
-				dma_addr_t dmaaddr, u16 bufsize,
-				int start, int end, int irq);
-	void (*poke_tx)(struct b43legacy_dmaring *ring, int slot);
-	void (*tx_suspend)(struct b43legacy_dmaring *ring);
-	void (*tx_resume)(struct b43legacy_dmaring *ring);
-	int (*get_current_rxslot)(struct b43legacy_dmaring *ring);
-	void (*set_current_rxslot)(struct b43legacy_dmaring *ring, int slot);
-};
-
 enum b43legacy_dmatype {
 	B43legacy_DMA_30BIT = 30,
 	B43legacy_DMA_32BIT = 32,
-	B43legacy_DMA_64BIT = 64,
 };
 
 struct b43legacy_dmaring {
-	/* Lowlevel DMA ops. */
-	const struct b43legacy_dma_ops *ops;
 	/* Kernel virtual base address of the ring memory. */
 	void *descbase;
 	/* Meta data about all descriptors. */