diff --git a/drivers/ata/pata_pcmcia.c b/drivers/ata/pata_pcmcia.c index 3d39f9d..0eb4f77 100644 --- a/drivers/ata/pata_pcmcia.c +++ b/drivers/ata/pata_pcmcia.c @@ -176,9 +176,14 @@ static int pcmcia_init_one(struct pcmcia_device *pdev) struct ata_port_operations *ops = &pcmcia_port_ops; + dev_printk(KERN_INFO, &pdev->dev, "XXX ENTER\n"); + dump_stack(); + info = kzalloc(sizeof(*info), GFP_KERNEL); - if (info == NULL) + if (info == NULL) { + printk("XXX info alloc failed\n"); return -ENOMEM; + } /* Glue stuff together. FIXME: We may be able to get rid of info with care */ info->pdev = pdev; @@ -196,8 +201,10 @@ static int pcmcia_init_one(struct pcmcia_device *pdev) /* Allocate resoure probing structures */ stk = kzalloc(sizeof(*stk), GFP_KERNEL); - if (!stk) + if (!stk) { + printk("XXX stk alloc failed\n"); goto out1; + } cfg = &stk->parse.cftable_entry; @@ -290,8 +297,11 @@ next_entry: ret = -ENOMEM; io_addr = devm_ioport_map(&pdev->dev, io_base, 8); ctl_addr = devm_ioport_map(&pdev->dev, ctl_base, 1); - if (!io_addr || !ctl_addr) + if (!io_addr || !ctl_addr) { + printk("XXX ioport_map failed io_addr=%p ctl_addr=%p\n", + io_addr, ctl_addr); goto failed; + } /* Success. Disable the IRQ nIEN line, do quirks */ iowrite8(0x02, ctl_addr); @@ -311,8 +321,10 @@ next_entry: */ ret = -ENOMEM; host = ata_host_alloc(&pdev->dev, n_ports); - if (!host) + if (!host) { + printk("XXX host alloc failed\n"); goto failed; + } for (p = 0; p < n_ports; p++) { ap = host->ports[p]; @@ -331,11 +343,14 @@ next_entry: /* activate */ ret = ata_host_activate(host, pdev->irq.AssignedIRQ, ata_sff_interrupt, IRQF_SHARED, &pcmcia_sht); - if (ret) + if (ret) { + printk("XXX host activate failed ret=%d\n", ret); goto failed; + } info->ndev = 1; kfree(stk); + dev_printk(KERN_INFO, &pdev->dev, "XXX LEAVE 0\n"); return 0; cs_failed: @@ -345,6 +360,7 @@ failed: info->ndev = 0; pcmcia_disable_device(pdev); out1: + dev_printk(KERN_INFO, &pdev->dev, "XXX LEAVE %d\n", ret); kfree(info); return ret; }