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. */