diff options
| -rw-r--r-- | drivers/net/via-velocity.c | 48 |
1 files changed, 21 insertions, 27 deletions
diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c index fce2dfd0e9e6..86b256cbeaf3 100644 --- a/drivers/net/via-velocity.c +++ b/drivers/net/via-velocity.c @@ -1102,47 +1102,41 @@ static int __devinit velocity_get_pci_info(struct velocity_info *vptr, struct pc static int velocity_init_rings(struct velocity_info *vptr) { - int i; - unsigned int psize; + struct velocity_opt *opt = &vptr->options; + const unsigned int rx_ring_size = opt->numrx * sizeof(struct rx_desc); + const unsigned int tx_ring_size = opt->numtx * sizeof(struct tx_desc); + struct pci_dev *pdev = vptr->pdev; dma_addr_t pool_dma; - u8 *pool; - - /* - * Allocate all RD/TD rings a single pool - */ - - psize = vptr->options.numrx * sizeof(struct rx_desc) + - vptr->options.numtx * sizeof(struct tx_desc) * vptr->num_txq; + void *pool; + unsigned int i; /* + * Allocate all RD/TD rings a single pool. + * * pci_alloc_consistent() fulfills the requirement for 64 bytes * alignment */ - pool = pci_alloc_consistent(vptr->pdev, psize, &pool_dma); - - if (pool == NULL) { - printk(KERN_ERR "%s : DMA memory allocation failed.\n", - vptr->dev->name); + pool = pci_alloc_consistent(pdev, tx_ring_size * vptr->num_txq + + rx_ring_size, &pool_dma); + if (!pool) { + dev_err(&pdev->dev, "%s : DMA memory allocation failed.\n", + vptr->dev->name); return -ENOMEM; } - memset(pool, 0, psize); - - vptr->rd_ring = (struct rx_desc *) pool; - + vptr->rd_ring = pool; vptr->rd_pool_dma = pool_dma; - i = vptr->options.numrx * sizeof(struct rx_desc); - pool += i; - pool_dma += i; - for (i = 0; i < vptr->num_txq; i++) { - int offset = vptr->options.numtx * sizeof(struct tx_desc); + pool += rx_ring_size; + pool_dma += rx_ring_size; + for (i = 0; i < vptr->num_txq; i++) { + vptr->td_rings[i] = pool; vptr->td_pool_dma[i] = pool_dma; - vptr->td_rings[i] = (struct tx_desc *) pool; - pool += offset; - pool_dma += offset; + pool += tx_ring_size; + pool_dma += tx_ring_size; } + return 0; } |