X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fscsi%2Fmac53c94.c;h=93edaa8696cf35e0b54a72dc3cfd266931e2c18b;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=3ef2a1443996d0700da7e1389e60b44ccf44a1b0;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git diff --git a/drivers/scsi/mac53c94.c b/drivers/scsi/mac53c94.c index 3ef2a1443..93edaa869 100644 --- a/drivers/scsi/mac53c94.c +++ b/drivers/scsi/mac53c94.c @@ -98,16 +98,14 @@ static int mac53c94_queue(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd * return 0; } -static int mac53c94_abort(struct scsi_cmnd *cmd) -{ - return FAILED; -} - static int mac53c94_host_reset(struct scsi_cmnd *cmd) { struct fsc_state *state = (struct fsc_state *) cmd->device->host->hostdata; struct mac53c94_regs __iomem *regs = state->regs; struct dbdma_regs __iomem *dma = state->dma; + unsigned long flags; + + spin_lock_irqsave(cmd->device->host->host_lock, flags); writel((RUN|PAUSE|FLUSH|WAKE) << 16, &dma->control); writeb(CMD_SCSI_RESET, ®s->command); /* assert RST */ @@ -116,6 +114,8 @@ static int mac53c94_host_reset(struct scsi_cmnd *cmd) udelay(20); mac53c94_init(state); writeb(CMD_NOP, ®s->command); + + spin_unlock_irqrestore(cmd->device->host->host_lock, flags); return SUCCESS; } @@ -416,7 +416,6 @@ static struct scsi_host_template mac53c94_template = { .proc_name = "53c94", .name = "53C94", .queuecommand = mac53c94_queue, - .eh_abort_handler = mac53c94_abort, .eh_host_reset_handler = mac53c94_host_reset, .can_queue = 1, .this_id = 7, @@ -425,7 +424,7 @@ static struct scsi_host_template mac53c94_template = { .use_clustering = DISABLE_CLUSTERING, }; -static int mac53c94_probe(struct macio_dev *mdev, const struct of_match *match) +static int mac53c94_probe(struct macio_dev *mdev, const struct of_device_id *match) { struct device_node *node = macio_get_of_node(mdev); struct pci_dev *pdev = macio_get_pci_dev(mdev); @@ -433,11 +432,12 @@ static int mac53c94_probe(struct macio_dev *mdev, const struct of_match *match) struct Scsi_Host *host; void *dma_cmd_space; unsigned char *clkprop; - int proplen; + int proplen, rc = -ENODEV; if (macio_resource_count(mdev) != 2 || macio_irq_count(mdev) != 2) { - printk(KERN_ERR "mac53c94: expected 2 addrs and intrs (got %d/%d)\n", - node->n_addrs, node->n_intrs); + printk(KERN_ERR "mac53c94: expected 2 addrs and intrs" + " (got %d/%d)\n", + macio_resource_count(mdev), macio_irq_count(mdev)); return -ENODEV; } @@ -449,6 +449,7 @@ static int mac53c94_probe(struct macio_dev *mdev, const struct of_match *match) host = scsi_host_alloc(&mac53c94_template, sizeof(struct fsc_state)); if (host == NULL) { printk(KERN_ERR "mac53c94: couldn't register host"); + rc = -ENOMEM; goto out_release; } @@ -487,6 +488,7 @@ static int mac53c94_probe(struct macio_dev *mdev, const struct of_match *match) if (dma_cmd_space == 0) { printk(KERN_ERR "mac53c94: couldn't allocate dma " "command space for %s\n", node->full_name); + rc = -ENOMEM; goto out_free; } state->dma_cmds = (struct dbdma_cmd *)DBDMA_ALIGN(dma_cmd_space); @@ -496,18 +498,21 @@ static int mac53c94_probe(struct macio_dev *mdev, const struct of_match *match) mac53c94_init(state); - if (request_irq(state->intr, do_mac53c94_interrupt, 0, "53C94", state)) { + if (request_irq(state->intr, do_mac53c94_interrupt, 0, "53C94",state)) { printk(KERN_ERR "mac53C94: can't get irq %d for %s\n", state->intr, node->full_name); goto out_free_dma; } - /* XXX FIXME: handle failure */ - scsi_add_host(host, &mdev->ofdev.dev); - scsi_scan_host(host); + rc = scsi_add_host(host, &mdev->ofdev.dev); + if (rc != 0) + goto out_release_irq; + scsi_scan_host(host); return 0; + out_release_irq: + free_irq(state->intr, state); out_free_dma: kfree(state->dma_cmd_space); out_free: @@ -519,7 +524,7 @@ static int mac53c94_probe(struct macio_dev *mdev, const struct of_match *match) out_release: macio_release_resources(mdev); - return -ENODEV; + return rc; } static int mac53c94_remove(struct macio_dev *mdev) @@ -532,9 +537,9 @@ static int mac53c94_remove(struct macio_dev *mdev) free_irq(fp->intr, fp); if (fp->regs) - iounmap((void *) fp->regs); + iounmap(fp->regs); if (fp->dma) - iounmap((void *) fp->dma); + iounmap(fp->dma); kfree(fp->dma_cmd_space); scsi_host_put(host); @@ -545,15 +550,14 @@ static int mac53c94_remove(struct macio_dev *mdev) } -static struct of_match mac53c94_match[] = +static struct of_device_id mac53c94_match[] = { { .name = "53c94", - .type = OF_ANY_MATCH, - .compatible = OF_ANY_MATCH }, {}, }; +MODULE_DEVICE_TABLE (of, mac53c94_match); static struct macio_driver mac53c94_driver = {