sparc: Convert all SBUS drivers to dma_*() interfaces.

And all the SBUS dma interfaces are deleted.

A private implementation remains inside of the 32-bit sparc port which
exists only for the sake of the implementation of dma_*().

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 34 insertions, 51 deletions

diff --git a/drivers/net/sunhme.c b/drivers/net/sunhme.c
index cd93fc5e826..69cc7719296 100644
--- a/drivers/net/sunhme.c
+++ b/drivers/net/sunhme.c
@@ -34,6 +34,7 @@
 #include <linux/skbuff.h>
 #include <linux/mm.h>
 #include <linux/bitops.h>
+#include <linux/dma-mapping.h>
 
 #include <asm/system.h>
 #include <asm/io.h>
@@ -277,13 +278,13 @@ do {	(__txd)->tx_addr = (__force hme32)(u32)(__addr); \
 } while(0)
 #define hme_read_desc32(__hp, __p)      ((__force u32)(hme32)*(__p))
 #define hme_dma_map(__hp, __ptr, __size, __dir) \
-        sbus_map_single((__hp)->dma_dev, (__ptr), (__size), (__dir))
+        dma_map_single((__hp)->dma_dev, (__ptr), (__size), (__dir))
 #define hme_dma_unmap(__hp, __addr, __size, __dir) \
-        sbus_unmap_single((__hp)->dma_dev, (__addr), (__size), (__dir))
+        dma_unmap_single((__hp)->dma_dev, (__addr), (__size), (__dir))
 #define hme_dma_sync_for_cpu(__hp, __addr, __size, __dir) \
-        sbus_dma_sync_single_for_cpu((__hp)->dma_dev, (__addr), (__size), (__dir))
+        dma_dma_sync_single_for_cpu((__hp)->dma_dev, (__addr), (__size), (__dir))
 #define hme_dma_sync_for_device(__hp, __addr, __size, __dir) \
-        sbus_dma_sync_single_for_device((__hp)->dma_dev, (__addr), (__size), (__dir))
+        dma_dma_sync_single_for_device((__hp)->dma_dev, (__addr), (__size), (__dir))
 #else
 /* PCI only compilation */
 #define hme_write32(__hp, __reg, __val) \
@@ -316,25 +317,6 @@ static inline u32 hme_read_desc32(struct happy_meal *hp, hme32 *p)
 #endif
 
 
-#ifdef SBUS_DMA_BIDIRECTIONAL
-#       define DMA_BIDIRECTIONAL        SBUS_DMA_BIDIRECTIONAL
-#else
-#       define DMA_BIDIRECTIONAL        0
-#endif
-
-#ifdef SBUS_DMA_FROMDEVICE
-#       define DMA_FROMDEVICE           SBUS_DMA_FROMDEVICE
-#else
-#       define DMA_TODEVICE             1
-#endif
-
-#ifdef SBUS_DMA_TODEVICE
-#       define DMA_TODEVICE             SBUS_DMA_TODEVICE
-#else
-#       define DMA_FROMDEVICE           2
-#endif
-
-
 /* Oh yes, the MIF BitBang is mighty fun to program.  BitBucket is more like it. */
 static void BB_PUT_BIT(struct happy_meal *hp, void __iomem *tregs, int bit)
 {
@@ -1224,7 +1206,7 @@ static void happy_meal_clean_rings(struct happy_meal *hp)
 
                         rxd = &hp->happy_block->happy_meal_rxd[i];
                         dma_addr = hme_read_desc32(hp, &rxd->rx_addr);
-                        hme_dma_unmap(hp, dma_addr, RX_BUF_ALLOC_SIZE, DMA_FROMDEVICE);
+                        hme_dma_unmap(hp, dma_addr, RX_BUF_ALLOC_SIZE, DMA_FROM_DEVICE);
                         dev_kfree_skb_any(skb);
                         hp->rx_skbs[i] = NULL;
                 }
@@ -1245,7 +1227,7 @@ static void happy_meal_clean_rings(struct happy_meal *hp)
                                 hme_dma_unmap(hp, dma_addr,
                                               (hme_read_desc32(hp, &txd->tx_flags)
                                                & TXFLAG_SIZE),
-                                              DMA_TODEVICE);
+                                              DMA_TO_DEVICE);
 
                                 if (frag != skb_shinfo(skb)->nr_frags)
                                         i++;
@@ -1287,7 +1269,7 @@ static void happy_meal_init_rings(struct happy_meal *hp)
                 skb_put(skb, (ETH_FRAME_LEN + RX_OFFSET + 4));
                 hme_write_rxd(hp, &hb->happy_meal_rxd[i],
                               (RXFLAG_OWN | ((RX_BUF_ALLOC_SIZE - RX_OFFSET) << 16)),
-                              hme_dma_map(hp, skb->data, RX_BUF_ALLOC_SIZE, DMA_FROMDEVICE));
+                              hme_dma_map(hp, skb->data, RX_BUF_ALLOC_SIZE, DMA_FROM_DEVICE));
                 skb_reserve(skb, RX_OFFSET);
         }
 
@@ -1966,7 +1948,7 @@ static void happy_meal_tx(struct happy_meal *hp)
                         dma_len = hme_read_desc32(hp, &this->tx_flags);
 
                         dma_len &= TXFLAG_SIZE;
-                        hme_dma_unmap(hp, dma_addr, dma_len, DMA_TODEVICE);
+                        hme_dma_unmap(hp, dma_addr, dma_len, DMA_TO_DEVICE);
 
                         elem = NEXT_TX(elem);
                         this = &txbase[elem];
@@ -2044,13 +2026,13 @@ static void happy_meal_rx(struct happy_meal *hp, struct net_device *dev)
                                 drops++;
                                 goto drop_it;
                         }
-                        hme_dma_unmap(hp, dma_addr, RX_BUF_ALLOC_SIZE, DMA_FROMDEVICE);
+                        hme_dma_unmap(hp, dma_addr, RX_BUF_ALLOC_SIZE, DMA_FROM_DEVICE);
                         hp->rx_skbs[elem] = new_skb;
                         new_skb->dev = dev;
                         skb_put(new_skb, (ETH_FRAME_LEN + RX_OFFSET + 4));
                         hme_write_rxd(hp, this,
                                       (RXFLAG_OWN|((RX_BUF_ALLOC_SIZE-RX_OFFSET)<<16)),
-                                      hme_dma_map(hp, new_skb->data, RX_BUF_ALLOC_SIZE, DMA_FROMDEVICE));
+                                      hme_dma_map(hp, new_skb->data, RX_BUF_ALLOC_SIZE, DMA_FROM_DEVICE));
                         skb_reserve(new_skb, RX_OFFSET);
 
                         /* Trim the original skb for the netif. */
@@ -2065,9 +2047,9 @@ static void happy_meal_rx(struct happy_meal *hp, struct net_device *dev)
 
                         skb_reserve(copy_skb, 2);
                         skb_put(copy_skb, len);
-                        hme_dma_sync_for_cpu(hp, dma_addr, len, DMA_FROMDEVICE);
+                        hme_dma_sync_for_cpu(hp, dma_addr, len, DMA_FROM_DEVICE);
                         skb_copy_from_linear_data(skb, copy_skb->data, len);
-                        hme_dma_sync_for_device(hp, dma_addr, len, DMA_FROMDEVICE);
+                        hme_dma_sync_for_device(hp, dma_addr, len, DMA_FROM_DEVICE);
 
                         /* Reuse original ring buffer. */
                         hme_write_rxd(hp, this,
@@ -2300,7 +2282,7 @@ static int happy_meal_start_xmit(struct sk_buff *skb, struct net_device *dev)
                 u32 mapping, len;
 
                 len = skb->len;
-                mapping = hme_dma_map(hp, skb->data, len, DMA_TODEVICE);
+                mapping = hme_dma_map(hp, skb->data, len, DMA_TO_DEVICE);
                 tx_flags |= (TXFLAG_SOP | TXFLAG_EOP);
                 hme_write_txd(hp, &hp->happy_block->happy_meal_txd[entry],
                               (tx_flags | (len & TXFLAG_SIZE)),
@@ -2314,7 +2296,7 @@ static int happy_meal_start_xmit(struct sk_buff *skb, struct net_device *dev)
                  * Otherwise we could race with the device.
                  */
                 first_len = skb_headlen(skb);
-                first_mapping = hme_dma_map(hp, skb->data, first_len, DMA_TODEVICE);
+                first_mapping = hme_dma_map(hp, skb->data, first_len, DMA_TO_DEVICE);
                 entry = NEXT_TX(entry);
 
                 for (frag = 0; frag < skb_shinfo(skb)->nr_frags; frag++) {
@@ -2325,7 +2307,7 @@ static int happy_meal_start_xmit(struct sk_buff *skb, struct net_device *dev)
                         mapping = hme_dma_map(hp,
                                               ((void *) page_address(this_frag->page) +
                                                this_frag->page_offset),
-                                              len, DMA_TODEVICE);
+                                              len, DMA_TO_DEVICE);
                         this_txflags = tx_flags;
                         if (frag == skb_shinfo(skb)->nr_frags - 1)
                                 this_txflags |= TXFLAG_EOP;
@@ -2786,9 +2768,10 @@ static int __devinit happy_meal_sbus_probe_one(struct sbus_dev *sdev, int is_qfe
         hp->happy_bursts = of_getintprop_default(sdev->bus->ofdev.node,
                                                  "burst-sizes", 0x00);
 
-        hp->happy_block = sbus_alloc_consistent(hp->dma_dev,
-                                                PAGE_SIZE,
-                                                &hp->hblock_dvma);
+        hp->happy_block = dma_alloc_coherent(hp->dma_dev,
+                                             PAGE_SIZE,
+                                             &hp->hblock_dvma,
+                                             GFP_ATOMIC);
         err = -ENOMEM;
         if (!hp->happy_block) {
                 printk(KERN_ERR "happymeal: Cannot allocate descriptors.\n");
@@ -2824,12 +2807,12 @@ static int __devinit happy_meal_sbus_probe_one(struct sbus_dev *sdev, int is_qfe
         hp->read_desc32 = sbus_hme_read_desc32;
         hp->write_txd = sbus_hme_write_txd;
         hp->write_rxd = sbus_hme_write_rxd;
-        hp->dma_map = (u32 (*)(void *, void *, long, int))sbus_map_single;
-        hp->dma_unmap = (void (*)(void *, u32, long, int))sbus_unmap_single;
+        hp->dma_map = (u32 (*)(void *, void *, long, int))dma_map_single;
+        hp->dma_unmap = (void (*)(void *, u32, long, int))dma_unmap_single;
         hp->dma_sync_for_cpu = (void (*)(void *, u32, long, int))
-                sbus_dma_sync_single_for_cpu;
+                dma_sync_single_for_cpu;
         hp->dma_sync_for_device = (void (*)(void *, u32, long, int))
-                sbus_dma_sync_single_for_device;
+                dma_sync_single_for_device;
         hp->read32 = sbus_hme_read32;
         hp->write32 = sbus_hme_write32;
 #endif
@@ -2844,7 +2827,7 @@ static int __devinit happy_meal_sbus_probe_one(struct sbus_dev *sdev, int is_qfe
         if (register_netdev(hp->dev)) {
                 printk(KERN_ERR "happymeal: Cannot register net device, "
                        "aborting.\n");
-                goto err_out_free_consistent;
+                goto err_out_free_coherent;
         }
 
         dev_set_drvdata(&sdev->ofdev.dev, hp);
@@ -2860,11 +2843,11 @@ static int __devinit happy_meal_sbus_probe_one(struct sbus_dev *sdev, int is_qfe
 
         return 0;
 
-err_out_free_consistent:
-        sbus_free_consistent(hp->dma_dev,
-                             PAGE_SIZE,
-                             hp->happy_block,
-                             hp->hblock_dvma);
+err_out_free_coherent:
+        dma_free_coherent(hp->dma_dev,
+                          PAGE_SIZE,
+                          hp->happy_block,
+                          hp->hblock_dvma);
 
 err_out_iounmap:
         if (hp->gregs)
@@ -3308,10 +3291,10 @@ static int __devexit hme_sbus_remove(struct of_device *dev)
         sbus_iounmap(hp->erxregs, ERX_REG_SIZE);
         sbus_iounmap(hp->bigmacregs, BMAC_REG_SIZE);
         sbus_iounmap(hp->tcvregs, TCVR_REG_SIZE);
-        sbus_free_consistent(hp->dma_dev,
-                             PAGE_SIZE,
-                             hp->happy_block,
-                             hp->hblock_dvma);
+        dma_free_coherent(hp->dma_dev,
+                          PAGE_SIZE,
+                          hp->happy_block,
+                          hp->hblock_dvma);
 
         free_netdev(net_dev);