diff options
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/mvme147.c | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/drivers/scsi/mvme147.c b/drivers/scsi/mvme147.c index 716d1785cda7..1b6195b4717d 100644 --- a/drivers/scsi/mvme147.c +++ b/drivers/scsi/mvme147.c @@ -16,12 +16,12 @@ #include <linux/stat.h> -static struct Scsi_Host *mvme147_host = NULL; - -static irqreturn_t mvme147_intr(int irq, void *dummy) +static irqreturn_t mvme147_intr(int irq, void *data) { + struct Scsi_Host *instance = data; + if (irq == MVME147_IRQ_SCSI_PORT) - wd33c93_intr(mvme147_host); + wd33c93_intr(instance); else m147_pcc->dma_intr = 0x89; /* Ack and enable ints */ return IRQ_HANDLED; @@ -29,7 +29,8 @@ static irqreturn_t mvme147_intr(int irq, void *dummy) static int dma_setup(struct scsi_cmnd *cmd, int dir_in) { - struct WD33C93_hostdata *hdata = shost_priv(mvme147_host); + struct Scsi_Host *instance = cmd->device->host; + struct WD33C93_hostdata *hdata = shost_priv(instance); unsigned char flags = 0x01; unsigned long addr = virt_to_bus(cmd->SCp.ptr); @@ -66,6 +67,7 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt, int mvme147_detect(struct scsi_host_template *tpnt) { static unsigned char called = 0; + struct Scsi_Host *instance; wd33c93_regs regs; struct WD33C93_hostdata *hdata; @@ -76,25 +78,25 @@ int mvme147_detect(struct scsi_host_template *tpnt) tpnt->proc_name = "MVME147"; tpnt->proc_info = &wd33c93_proc_info; - mvme147_host = scsi_register(tpnt, sizeof(struct WD33C93_hostdata)); - if (!mvme147_host) + instance = scsi_register(tpnt, sizeof(struct WD33C93_hostdata)); + if (!instance) goto err_out; - mvme147_host->base = 0xfffe4000; - mvme147_host->irq = MVME147_IRQ_SCSI_PORT; + instance->base = 0xfffe4000; + instance->irq = MVME147_IRQ_SCSI_PORT; regs.SASR = (volatile unsigned char *)0xfffe4000; regs.SCMD = (volatile unsigned char *)0xfffe4001; - hdata = shost_priv(mvme147_host); + hdata = shost_priv(instance); hdata->no_sync = 0xff; hdata->fast = 0; hdata->dma_mode = CTRL_DMA; - wd33c93_init(mvme147_host, regs, dma_setup, dma_stop, WD33C93_FS_8_10); + wd33c93_init(instance, regs, dma_setup, dma_stop, WD33C93_FS_8_10); if (request_irq(MVME147_IRQ_SCSI_PORT, mvme147_intr, 0, - "MVME147 SCSI PORT", mvme147_intr)) + "MVME147 SCSI PORT", instance)) goto err_unregister; if (request_irq(MVME147_IRQ_SCSI_DMA, mvme147_intr, 0, - "MVME147 SCSI DMA", mvme147_intr)) + "MVME147 SCSI DMA", instance)) goto err_free_irq; #if 0 /* Disabled; causes problems booting */ m147_pcc->scsi_interrupt = 0x10; /* Assert SCSI bus reset */ @@ -113,7 +115,7 @@ int mvme147_detect(struct scsi_host_template *tpnt) err_free_irq: free_irq(MVME147_IRQ_SCSI_PORT, mvme147_intr); err_unregister: - scsi_unregister(mvme147_host); + scsi_unregister(instance); err_out: return 0; } |