diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/block/umem.c | 59 |
1 files changed, 29 insertions, 30 deletions
diff --git a/drivers/block/umem.c b/drivers/block/umem.c index 32060b84c0f..97c5dc9436a 100644 --- a/drivers/block/umem.c +++ b/drivers/block/umem.c @@ -67,9 +67,10 @@ * Version Information */ -#define DRIVER_VERSION "v2.3" -#define DRIVER_AUTHOR "San Mehat, Johannes Erdfelt, NeilBrown" -#define DRIVER_DESC "Micro Memory(tm) PCI memory board block driver" +#define DRIVER_NAME "umem" +#define DRIVER_VERSION "v2.3" +#define DRIVER_AUTHOR "San Mehat, Johannes Erdfelt, NeilBrown" +#define DRIVER_DESC "Micro Memory(tm) PCI memory board block driver" static int debug; /* #define HW_TRACE(x) writeb(x,cards[0].csr_remap + MEMCTRLSTATUS_MAGIC) */ @@ -99,12 +100,7 @@ static int major_nr; struct cardinfo { struct pci_dev *dev; - int irq; - - unsigned long csr_base; unsigned char __iomem *csr_remap; - unsigned long csr_len; - unsigned int win_size; /* PCI window size */ unsigned int mm_size; /* size in kbytes */ unsigned int init_size; /* initial segment, in sectors, @@ -869,22 +865,27 @@ static int __devinit mm_pci_probe(struct pci_dev *dev, const struct pci_device_i unsigned char mem_present; unsigned char batt_status; unsigned int saved_bar, data; + unsigned long csr_base; + unsigned long csr_len; int magic_number; static int printed_version; if (!printed_version++) printk(KERN_INFO DRIVER_VERSION " : " DRIVER_DESC "\n"); - if (pci_enable_device(dev) < 0) - return -ENODEV; + ret = pci_enable_device(dev); + if (ret) + return ret; pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0xF8); pci_set_master(dev); card->dev = dev; - card->csr_base = pci_resource_start(dev, 0); - card->csr_len = pci_resource_len(dev, 0); + csr_base = pci_resource_start(dev, 0); + csr_len = pci_resource_len(dev, 0); + if (!csr_base || !csr_len) + return -ENODEV; dev_printk(KERN_INFO, &dev->dev, "Micro Memory(tm) controller found (PCI Mem Module (Battery Backup))\n"); @@ -894,15 +895,15 @@ static int __devinit mm_pci_probe(struct pci_dev *dev, const struct pci_device_i dev_printk(KERN_WARNING, &dev->dev, "NO suitable DMA found\n"); return -ENOMEM; } - if (!request_mem_region(card->csr_base, card->csr_len, "Micro Memory")) { + + ret = pci_request_regions(dev, DRIVER_NAME); + if (ret) { dev_printk(KERN_ERR, &card->dev->dev, "Unable to request memory region\n"); - ret = -ENOMEM; - goto failed_req_csr; } - card->csr_remap = ioremap_nocache(card->csr_base, card->csr_len); + card->csr_remap = ioremap_nocache(csr_base, csr_len); if (!card->csr_remap) { dev_printk(KERN_ERR, &card->dev->dev, "Unable to remap memory region\n"); @@ -913,7 +914,7 @@ static int __devinit mm_pci_probe(struct pci_dev *dev, const struct pci_device_i dev_printk(KERN_INFO, &card->dev->dev, "CSR 0x%08lx -> 0x%p (0x%lx)\n", - card->csr_base, card->csr_remap, card->csr_len); + csr_base, card->csr_remap, csr_len); switch(card->dev->device) { case 0x5415: @@ -1028,9 +1029,6 @@ static int __devinit mm_pci_probe(struct pci_dev *dev, const struct pci_device_i data = ~data; data += 1; - card->win_size = data; - - if (request_irq(dev->irq, mm_interrupt, IRQF_SHARED, "pci-umem", card)) { dev_printk(KERN_ERR, &card->dev->dev, "Unable to allocate IRQ\n"); @@ -1039,10 +1037,8 @@ static int __devinit mm_pci_probe(struct pci_dev *dev, const struct pci_device_i goto failed_req_irq; } - card->irq = dev->irq; dev_printk(KERN_INFO, &card->dev->dev, - "Window size %d bytes, IRQ %d\n", - card->win_size, card->irq); + "Window size %d bytes, IRQ %d\n", data, dev->irq); spin_lock_init(&card->lock); @@ -1089,7 +1085,7 @@ static int __devinit mm_pci_probe(struct pci_dev *dev, const struct pci_device_i failed_magic: iounmap(card->csr_remap); failed_remap_csr: - release_mem_region(card->csr_base, card->csr_len); + pci_release_regions(dev); failed_req_csr: return ret; @@ -1104,9 +1100,8 @@ static void mm_pci_remove(struct pci_dev *dev) struct cardinfo *card = pci_get_drvdata(dev); tasklet_kill(&card->tasklet); + free_irq(dev->irq, card); iounmap(card->csr_remap); - release_mem_region(card->csr_base, card->csr_len); - free_irq(card->irq, card); if (card->mm_pages[0].desc) pci_free_consistent(card->dev, PAGE_SIZE*2, @@ -1117,6 +1112,9 @@ static void mm_pci_remove(struct pci_dev *dev) card->mm_pages[1].desc, card->mm_pages[1].page_dma); blk_cleanup_queue(card->queue); + + pci_release_regions(dev); + pci_disable_device(dev); } static const struct pci_device_id mm_pci_ids[] = { @@ -1136,11 +1134,12 @@ static const struct pci_device_id mm_pci_ids[] = { MODULE_DEVICE_TABLE(pci, mm_pci_ids); static struct pci_driver mm_pci_driver = { - .name = "umem", - .id_table = mm_pci_ids, - .probe = mm_pci_probe, - .remove = mm_pci_remove, + .name = DRIVER_NAME, + .id_table = mm_pci_ids, + .probe = mm_pci_probe, + .remove = mm_pci_remove, }; + /* ----------------------------------------------------------------------------------- -- mm_init |