X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fatm%2Fidt77252.c;h=20f2a3a82656397c2bbacaf773922e35f3e19859;hb=4305b541357ddbd205aa145dc378926b7cb12283;hp=b0369bb20f085043348600a47192298f94f48981;hpb=c0bc8721b8d0380ec69fa97578c91201201b05a9;p=linux-2.6 diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c index b0369bb20f..20f2a3a826 100644 --- a/drivers/atm/idt77252.c +++ b/drivers/atm/idt77252.c @@ -135,7 +135,7 @@ static int idt77252_change_qos(struct atm_vcc *vcc, struct atm_qos *qos, int flags); static int idt77252_proc_read(struct atm_dev *dev, loff_t * pos, char *page); -static void idt77252_softint(void *dev_id); +static void idt77252_softint(struct work_struct *work); static struct atmdev_ops idt77252_ops = @@ -388,7 +388,7 @@ idt77252_eeprom_read_status(struct idt77252_dev *card) gp = idt77252_read_gp(card) & ~(SAR_GP_EESCLK|SAR_GP_EECS|SAR_GP_EEDO); - for (i = 0; i < sizeof(rdsrtab)/sizeof(rdsrtab[0]); i++) { + for (i = 0; i < ARRAY_SIZE(rdsrtab); i++) { idt77252_write_gp(card, gp | rdsrtab[i]); udelay(5); } @@ -422,7 +422,7 @@ idt77252_eeprom_read_byte(struct idt77252_dev *card, u8 offset) gp = idt77252_read_gp(card) & ~(SAR_GP_EESCLK|SAR_GP_EECS|SAR_GP_EEDO); - for (i = 0; i < sizeof(rdtab)/sizeof(rdtab[0]); i++) { + for (i = 0; i < ARRAY_SIZE(rdtab); i++) { idt77252_write_gp(card, gp | rdtab[i]); udelay(5); } @@ -469,14 +469,14 @@ idt77252_eeprom_write_byte(struct idt77252_dev *card, u8 offset, u8 data) gp = idt77252_read_gp(card) & ~(SAR_GP_EESCLK|SAR_GP_EECS|SAR_GP_EEDO); - for (i = 0; i < sizeof(wrentab)/sizeof(wrentab[0]); i++) { + for (i = 0; i < ARRAY_SIZE(wrentab); i++) { idt77252_write_gp(card, gp | wrentab[i]); udelay(5); } idt77252_write_gp(card, gp | SAR_GP_EECS); udelay(5); - for (i = 0; i < sizeof(wrtab)/sizeof(wrtab[0]); i++) { + for (i = 0; i < ARRAY_SIZE(wrtab); i++) { idt77252_write_gp(card, gp | wrtab[i]); udelay(5); } @@ -642,11 +642,9 @@ alloc_scq(struct idt77252_dev *card, int class) { struct scq_info *scq; - scq = (struct scq_info *) kmalloc(sizeof(struct scq_info), GFP_KERNEL); + scq = kzalloc(sizeof(struct scq_info), GFP_KERNEL); if (!scq) return NULL; - memset(scq, 0, sizeof(struct scq_info)); - scq->base = pci_alloc_consistent(card->pcidev, SCQ_SIZE, &scq->paddr); if (scq->base == NULL) { @@ -1067,7 +1065,8 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe) vcc = vc->rx_vcc; pci_dma_sync_single_for_cpu(card->pcidev, IDT77252_PRV_PADDR(skb), - skb->end - skb->data, PCI_DMA_FROMDEVICE); + skb_end_pointer(skb) - skb->data, + PCI_DMA_FROMDEVICE); if ((vcc->qos.aal == ATM_AAL0) || (vcc->qos.aal == ATM_AAL34)) { @@ -1196,7 +1195,8 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe) } pci_unmap_single(card->pcidev, IDT77252_PRV_PADDR(skb), - skb->end - skb->data, PCI_DMA_FROMDEVICE); + skb_end_pointer(skb) - skb->data, + PCI_DMA_FROMDEVICE); sb_pool_remove(card, skb); skb_trim(skb, len); @@ -1269,7 +1269,7 @@ idt77252_rx_raw(struct idt77252_dev *card) tail = readl(SAR_REG_RAWCT); pci_dma_sync_single_for_cpu(card->pcidev, IDT77252_PRV_PADDR(queue), - queue->end - queue->head - 16, + skb_end_pointer(queue) - queue->head - 16, PCI_DMA_FROMDEVICE); while (head != tail) { @@ -1365,7 +1365,8 @@ drop: queue = card->raw_cell_head; pci_dma_sync_single_for_cpu(card->pcidev, IDT77252_PRV_PADDR(queue), - queue->end - queue->data, + (skb_end_pointer(queue) - + queue->data), PCI_DMA_FROMDEVICE); } else { card->raw_cell_head = NULL; @@ -1818,7 +1819,8 @@ push_rx_skb(struct idt77252_dev *card, struct sk_buff *skb, int queue) u32 handle; u32 addr; - skb->data = skb->tail = skb->head; + skb->data = skb->head; + skb_reset_tail_pointer(skb); skb->len = 0; skb_reserve(skb, 16); @@ -1876,7 +1878,7 @@ add_rx_skb(struct idt77252_dev *card, int queue, } paddr = pci_map_single(card->pcidev, skb->data, - skb->end - skb->data, + skb_end_pointer(skb) - skb->data, PCI_DMA_FROMDEVICE); IDT77252_PRV_PADDR(skb) = paddr; @@ -1890,7 +1892,7 @@ add_rx_skb(struct idt77252_dev *card, int queue, outunmap: pci_unmap_single(card->pcidev, IDT77252_PRV_PADDR(skb), - skb->end - skb->data, PCI_DMA_FROMDEVICE); + skb_end_pointer(skb) - skb->data, PCI_DMA_FROMDEVICE); handle = IDT77252_PRV_POOL(skb); card->sbpool[POOL_QUEUE(handle)].skb[POOL_INDEX(handle)] = NULL; @@ -1907,12 +1909,14 @@ recycle_rx_skb(struct idt77252_dev *card, struct sk_buff *skb) int err; pci_dma_sync_single_for_device(card->pcidev, IDT77252_PRV_PADDR(skb), - skb->end - skb->data, PCI_DMA_FROMDEVICE); + skb_end_pointer(skb) - skb->data, + PCI_DMA_FROMDEVICE); err = push_rx_skb(card, skb, POOL_QUEUE(handle)); if (err) { pci_unmap_single(card->pcidev, IDT77252_PRV_PADDR(skb), - skb->end - skb->data, PCI_DMA_FROMDEVICE); + skb_end_pointer(skb) - skb->data, + PCI_DMA_FROMDEVICE); sb_pool_remove(card, skb); dev_kfree_skb(skb); } @@ -2142,11 +2146,9 @@ idt77252_init_est(struct vc_map *vc, int pcr) { struct rate_estimator *est; - est = kmalloc(sizeof(struct rate_estimator), GFP_KERNEL); + est = kzalloc(sizeof(struct rate_estimator), GFP_KERNEL); if (!est) return NULL; - memset(est, 0, sizeof(*est)); - est->maxcps = pcr < 0 ? -pcr : pcr; est->cps = est->maxcps; est->avcps = est->cps << 5; @@ -2451,14 +2453,12 @@ idt77252_open(struct atm_vcc *vcc) index = VPCI2VC(card, vpi, vci); if (!card->vcs[index]) { - card->vcs[index] = kmalloc(sizeof(struct vc_map), GFP_KERNEL); + card->vcs[index] = kzalloc(sizeof(struct vc_map), GFP_KERNEL); if (!card->vcs[index]) { printk("%s: can't alloc vc in open()\n", card->name); up(&card->mutex); return -ENOMEM; } - memset(card->vcs[index], 0, sizeof(struct vc_map)); - card->vcs[index]->card = card; card->vcs[index]->index = index; @@ -2780,7 +2780,7 @@ idt77252_collect_stat(struct idt77252_dev *card) } static irqreturn_t -idt77252_interrupt(int irq, void *dev_id, struct pt_regs *ptregs) +idt77252_interrupt(int irq, void *dev_id) { struct idt77252_dev *card = dev_id; u32 stat; @@ -2872,9 +2872,10 @@ out: } static void -idt77252_softint(void *dev_id) +idt77252_softint(struct work_struct *work) { - struct idt77252_dev *card = dev_id; + struct idt77252_dev *card = + container_of(work, struct idt77252_dev, tqueue); u32 stat; int done; @@ -2926,13 +2927,11 @@ open_card_oam(struct idt77252_dev *card) for (vci = 3; vci < 5; vci++) { index = VPCI2VC(card, vpi, vci); - vc = kmalloc(sizeof(struct vc_map), GFP_KERNEL); + vc = kzalloc(sizeof(struct vc_map), GFP_KERNEL); if (!vc) { printk("%s: can't alloc vc\n", card->name); return -ENOMEM; } - memset(vc, 0, sizeof(struct vc_map)); - vc->index = index; card->vcs[index] = vc; @@ -2995,12 +2994,11 @@ open_card_ubr0(struct idt77252_dev *card) { struct vc_map *vc; - vc = kmalloc(sizeof(struct vc_map), GFP_KERNEL); + vc = kzalloc(sizeof(struct vc_map), GFP_KERNEL); if (!vc) { printk("%s: can't alloc vc\n", card->name); return -ENOMEM; } - memset(vc, 0, sizeof(struct vc_map)); card->vcs[0] = vc; vc->class = SCHED_UBR0; @@ -3130,7 +3128,8 @@ deinit_card(struct idt77252_dev *card) if (skb) { pci_unmap_single(card->pcidev, IDT77252_PRV_PADDR(skb), - skb->end - skb->data, + (skb_end_pointer(skb) - + skb->data), PCI_DMA_FROMDEVICE); card->sbpool[i].skb[j] = NULL; dev_kfree_skb(skb); @@ -3695,20 +3694,18 @@ idt77252_init_one(struct pci_dev *pcidev, const struct pci_device_id *id) goto err_out_disable_pdev; } - card = kmalloc(sizeof(struct idt77252_dev), GFP_KERNEL); + card = kzalloc(sizeof(struct idt77252_dev), GFP_KERNEL); if (!card) { printk("idt77252-%d: can't allocate private data\n", index); err = -ENOMEM; goto err_out_disable_pdev; } - memset(card, 0, sizeof(struct idt77252_dev)); - card->revision = revision; card->index = index; card->pcidev = pcidev; sprintf(card->name, "idt77252-%d", card->index); - INIT_WORK(&card->tqueue, idt77252_softint, (void *)card); + INIT_WORK(&card->tqueue, idt77252_softint); membase = pci_resource_start(pcidev, 1); srambase = pci_resource_start(pcidev, 2);