diff options
author | Christoph Hellwig <hch@lst.de> | 2018-10-09 16:57:17 +0200 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2018-10-11 07:38:50 +0200 |
commit | f3fadcb5644aa94c8197f1699798d95baa5d59a8 (patch) | |
tree | 16673540311e8293e09c3f734a540e8fd3cd0f8d /drivers/atm | |
parent | fore200e: remove the align_size field of struct chunk (diff) | |
download | linux-f3fadcb5644aa94c8197f1699798d95baa5d59a8.tar.xz linux-f3fadcb5644aa94c8197f1699798d95baa5d59a8.zip |
fore200e: devirtualize dma mapping calls
There is no need for an indirection before calling the dma mapping
routines now that we store a struct device in struct fore200e.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/atm')
-rw-r--r-- | drivers/atm/fore200e.c | 112 | ||||
-rw-r--r-- | drivers/atm/fore200e.h | 4 |
2 files changed, 17 insertions, 99 deletions
diff --git a/drivers/atm/fore200e.c b/drivers/atm/fore200e.c index 05951550abb8..beeb71088560 100644 --- a/drivers/atm/fore200e.c +++ b/drivers/atm/fore200e.c @@ -193,8 +193,8 @@ fore200e_chunk_alloc(struct fore200e* fore200e, struct chunk* chunk, int size, i chunk->align_addr = chunk->alloc_addr + offset; - chunk->dma_addr = fore200e->bus->dma_map(fore200e, chunk->align_addr, size, direction); - + chunk->dma_addr = dma_map_single(fore200e->dev, chunk->align_addr, + size, direction); return 0; } @@ -204,8 +204,8 @@ fore200e_chunk_alloc(struct fore200e* fore200e, struct chunk* chunk, int size, i static void fore200e_chunk_free(struct fore200e* fore200e, struct chunk* chunk) { - fore200e->bus->dma_unmap(fore200e, chunk->dma_addr, chunk->dma_size, chunk->direction); - + dma_unmap_single(fore200e->dev, chunk->dma_addr, chunk->dma_size, + chunk->direction); kfree(chunk->alloc_addr); } @@ -427,46 +427,6 @@ static void fore200e_pca_write(u32 val, volatile u32 __iomem *addr) writel(cpu_to_le32(val), addr); } - -static u32 -fore200e_pca_dma_map(struct fore200e* fore200e, void* virt_addr, int size, int direction) -{ - u32 dma_addr = dma_map_single(fore200e->dev, virt_addr, size, direction); - - DPRINTK(3, "PCI DVMA mapping: virt_addr = 0x%p, size = %d, direction = %d, --> dma_addr = 0x%08x\n", - virt_addr, size, direction, dma_addr); - - return dma_addr; -} - - -static void -fore200e_pca_dma_unmap(struct fore200e* fore200e, u32 dma_addr, int size, int direction) -{ - DPRINTK(3, "PCI DVMA unmapping: dma_addr = 0x%08x, size = %d, direction = %d\n", - dma_addr, size, direction); - - dma_unmap_single(fore200e->dev, dma_addr, size, direction); -} - - -static void -fore200e_pca_dma_sync_for_cpu(struct fore200e* fore200e, u32 dma_addr, int size, int direction) -{ - DPRINTK(3, "PCI DVMA sync: dma_addr = 0x%08x, size = %d, direction = %d\n", dma_addr, size, direction); - - dma_sync_single_for_cpu(fore200e->dev, dma_addr, size, direction); -} - -static void -fore200e_pca_dma_sync_for_device(struct fore200e* fore200e, u32 dma_addr, int size, int direction) -{ - DPRINTK(3, "PCI DVMA sync: dma_addr = 0x%08x, size = %d, direction = %d\n", dma_addr, size, direction); - - dma_sync_single_for_device(fore200e->dev, dma_addr, size, direction); -} - - /* allocate a DMA consistent chunk of memory intended to act as a communication mechanism (to hold descriptors, status, queues, etc.) shared by the driver and the adapter */ @@ -621,7 +581,8 @@ fore200e_pca_prom_read(struct fore200e* fore200e, struct prom_data* prom) opcode.opcode = OPCODE_GET_PROM; opcode.pad = 0; - prom_dma = fore200e->bus->dma_map(fore200e, prom, sizeof(struct prom_data), DMA_FROM_DEVICE); + prom_dma = dma_map_single(fore200e->dev, prom, sizeof(struct prom_data), + DMA_FROM_DEVICE); fore200e->bus->write(prom_dma, &entry->cp_entry->cmd.prom_block.prom_haddr); @@ -633,7 +594,7 @@ fore200e_pca_prom_read(struct fore200e* fore200e, struct prom_data* prom) *entry->status = STATUS_FREE; - fore200e->bus->dma_unmap(fore200e, prom_dma, sizeof(struct prom_data), DMA_FROM_DEVICE); + dma_unmap_single(fore200e->dev, prom_dma, sizeof(struct prom_data), DMA_FROM_DEVICE); if (ok == 0) { printk(FORE200E "unable to get PROM data from device %s\n", fore200e->name); @@ -670,10 +631,6 @@ static const struct fore200e_bus fore200e_pci_ops = { .status_alignment = 32, .read = fore200e_pca_read, .write = fore200e_pca_write, - .dma_map = fore200e_pca_dma_map, - .dma_unmap = fore200e_pca_dma_unmap, - .dma_sync_for_cpu = fore200e_pca_dma_sync_for_cpu, - .dma_sync_for_device = fore200e_pca_dma_sync_for_device, .dma_chunk_alloc = fore200e_pca_dma_chunk_alloc, .dma_chunk_free = fore200e_pca_dma_chunk_free, .configure = fore200e_pca_configure, @@ -699,40 +656,6 @@ static void fore200e_sba_write(u32 val, volatile u32 __iomem *addr) sbus_writel(val, addr); } -static u32 fore200e_sba_dma_map(struct fore200e *fore200e, void* virt_addr, int size, int direction) -{ - u32 dma_addr; - - dma_addr = dma_map_single(fore200e->dev, virt_addr, size, direction); - - DPRINTK(3, "SBUS DVMA mapping: virt_addr = 0x%p, size = %d, direction = %d --> dma_addr = 0x%08x\n", - virt_addr, size, direction, dma_addr); - - return dma_addr; -} - -static void fore200e_sba_dma_unmap(struct fore200e *fore200e, u32 dma_addr, int size, int direction) -{ - DPRINTK(3, "SBUS DVMA unmapping: dma_addr = 0x%08x, size = %d, direction = %d,\n", - dma_addr, size, direction); - - dma_unmap_single(fore200e->dev, dma_addr, size, direction); -} - -static void fore200e_sba_dma_sync_for_cpu(struct fore200e *fore200e, u32 dma_addr, int size, int direction) -{ - DPRINTK(3, "SBUS DVMA sync: dma_addr = 0x%08x, size = %d, direction = %d\n", dma_addr, size, direction); - - dma_sync_single_for_cpu(fore200e->dev, dma_addr, size, direction); -} - -static void fore200e_sba_dma_sync_for_device(struct fore200e *fore200e, u32 dma_addr, int size, int direction) -{ - DPRINTK(3, "SBUS DVMA sync: dma_addr = 0x%08x, size = %d, direction = %d\n", dma_addr, size, direction); - - dma_sync_single_for_device(fore200e->dev, dma_addr, size, direction); -} - /* Allocate a DVMA consistent chunk of memory intended to act as a communication mechanism * (to hold descriptors, status, queues, etc.) shared by the driver and the adapter. */ @@ -873,10 +796,6 @@ static const struct fore200e_bus fore200e_sbus_ops = { .status_alignment = 32, .read = fore200e_sba_read, .write = fore200e_sba_write, - .dma_map = fore200e_sba_dma_map, - .dma_unap = fore200e_sba_dma_unmap, - .dma_sync_for_cpu = fore200e_sba_dma_sync_for_cpu, - .dma_sync_for_device = fore200e_sba_dma_sync_for_device, .dma_chunk_alloc = fore200e_sba_dma_chunk_alloc, .dma_chunk_free = fore200e_sba_dma_chunk_free, .configure = fore200e_sba_configure, @@ -917,7 +836,7 @@ fore200e_tx_irq(struct fore200e* fore200e) kfree(entry->data); /* remove DMA mapping */ - fore200e->bus->dma_unmap(fore200e, entry->tpd->tsd[ 0 ].buffer, entry->tpd->tsd[ 0 ].length, + dma_unmap_single(fore200e->dev, entry->tpd->tsd[ 0 ].buffer, entry->tpd->tsd[ 0 ].length, DMA_TO_DEVICE); vc_map = entry->vc_map; @@ -1138,12 +1057,14 @@ fore200e_push_rpd(struct fore200e* fore200e, struct atm_vcc* vcc, struct rpd* rp buffer = FORE200E_HDL2BUF(rpd->rsd[ i ].handle); /* Make device DMA transfer visible to CPU. */ - fore200e->bus->dma_sync_for_cpu(fore200e, buffer->data.dma_addr, rpd->rsd[ i ].length, DMA_FROM_DEVICE); + dma_sync_single_for_cpu(fore200e->dev, buffer->data.dma_addr, + rpd->rsd[i].length, DMA_FROM_DEVICE); skb_put_data(skb, buffer->data.align_addr, rpd->rsd[i].length); /* Now let the device get at it again. */ - fore200e->bus->dma_sync_for_device(fore200e, buffer->data.dma_addr, rpd->rsd[ i ].length, DMA_FROM_DEVICE); + dma_sync_single_for_device(fore200e->dev, buffer->data.dma_addr, + rpd->rsd[i].length, DMA_FROM_DEVICE); } DPRINTK(3, "rx skb: len = %d, truesize = %d\n", skb->len, skb->truesize); @@ -1712,7 +1633,8 @@ fore200e_send(struct atm_vcc *vcc, struct sk_buff *skb) entry->data = tx_copy ? data : NULL; tpd = entry->tpd; - tpd->tsd[ 0 ].buffer = fore200e->bus->dma_map(fore200e, data, tx_len, DMA_TO_DEVICE); + tpd->tsd[ 0 ].buffer = dma_map_single(fore200e->dev, data, tx_len, + DMA_TO_DEVICE); tpd->tsd[ 0 ].length = tx_len; FORE200E_NEXT_ENTRY(txq->head, QUEUE_SIZE_TX); @@ -1785,8 +1707,8 @@ fore200e_getstats(struct fore200e* fore200e) return -ENOMEM; } - stats_dma_addr = fore200e->bus->dma_map(fore200e, fore200e->stats, - sizeof(struct stats), DMA_FROM_DEVICE); + stats_dma_addr = dma_map_single(fore200e->dev, fore200e->stats, + sizeof(struct stats), DMA_FROM_DEVICE); FORE200E_NEXT_ENTRY(cmdq->head, QUEUE_SIZE_CMD); @@ -1803,7 +1725,7 @@ fore200e_getstats(struct fore200e* fore200e) *entry->status = STATUS_FREE; - fore200e->bus->dma_unmap(fore200e, stats_dma_addr, sizeof(struct stats), DMA_FROM_DEVICE); + dma_unmap_single(fore200e->dev, stats_dma_addr, sizeof(struct stats), DMA_FROM_DEVICE); if (ok == 0) { printk(FORE200E "unable to get statistics from device %s\n", fore200e->name); diff --git a/drivers/atm/fore200e.h b/drivers/atm/fore200e.h index c8c6ea818ffc..f62fc9b85db0 100644 --- a/drivers/atm/fore200e.h +++ b/drivers/atm/fore200e.h @@ -805,10 +805,6 @@ typedef struct fore200e_bus { int status_alignment; /* status words DMA alignment requirement */ u32 (*read)(volatile u32 __iomem *); void (*write)(u32, volatile u32 __iomem *); - u32 (*dma_map)(struct fore200e*, void*, int, int); - void (*dma_unmap)(struct fore200e*, u32, int, int); - void (*dma_sync_for_cpu)(struct fore200e*, u32, int, int); - void (*dma_sync_for_device)(struct fore200e*, u32, int, int); int (*dma_chunk_alloc)(struct fore200e*, struct chunk*, int, int, int); void (*dma_chunk_free)(struct fore200e*, struct chunk*); int (*configure)(struct fore200e*); |