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m68k/scsi: a3000 - Kill static global a3000_host

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Acked-by: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
This commit is contained in:
Geert Uytterhoeven 2009-05-17 13:35:07 +02:00
parent 4616ac7e84
commit a8169e6057
1 changed files with 19 additions and 19 deletions
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38
drivers/scsi/a3000.c
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@ -22,22 +22,21 @@
#include <linux/stat.h>
static struct Scsi_Host *a3000_host = NULL;
static int a3000_release(struct Scsi_Host *instance);
static irqreturn_t a3000_intr(int irq, void *dummy)
static irqreturn_t a3000_intr(int irq, void *data)
{
a3000_scsiregs *regs = (a3000_scsiregs *)(a3000_host->base);
struct Scsi_Host *instance = data;
a3000_scsiregs *regs = (a3000_scsiregs *)(instance->base);
unsigned int status = regs->ISTR;
unsigned long flags;
if (!(status & ISTR_INT_P))
return IRQ_NONE;
if (status & ISTR_INTS) {
spin_lock_irqsave(a3000_host->host_lock, flags);
wd33c93_intr(a3000_host);
spin_unlock_irqrestore(a3000_host->host_lock, flags);
spin_lock_irqsave(instance->host_lock, flags);
wd33c93_intr(instance);
spin_unlock_irqrestore(instance->host_lock, flags);
return IRQ_HANDLED;
}
printk("Non-serviced A3000 SCSI-interrupt? ISTR = %02x\n", status);
@ -46,8 +45,9 @@ static irqreturn_t a3000_intr(int irq, void *dummy)
static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
{
struct WD33C93_hostdata *hdata = shost_priv(a3000_host);
a3000_scsiregs *regs = (a3000_scsiregs *)(a3000_host->base);
struct Scsi_Host *instance = cmd->device->host;
struct WD33C93_hostdata *hdata = shost_priv(instance);
a3000_scsiregs *regs = (a3000_scsiregs *)(instance->base);
unsigned short cntr = CNTR_PDMD | CNTR_INTEN;
unsigned long addr = virt_to_bus(cmd->SCp.ptr);
@ -164,6 +164,7 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
static int __init a3000_detect(struct scsi_host_template *tpnt)
{
struct Scsi_Host *instance;
wd33c93_regs wdregs;
a3000_scsiregs *regs;
struct WD33C93_hostdata *hdata;
@ -176,31 +177,30 @@ static int __init a3000_detect(struct scsi_host_template *tpnt)
tpnt->proc_name = "A3000";
tpnt->proc_info = &wd33c93_proc_info;
a3000_host = scsi_register(tpnt, sizeof(struct WD33C93_hostdata));
if (a3000_host == NULL)
instance = scsi_register(tpnt, sizeof(struct WD33C93_hostdata));
if (instance == NULL)
goto fail_register;
a3000_host->base = ZTWO_VADDR(0xDD0000);
a3000_host->irq = IRQ_AMIGA_PORTS;
regs = (a3000_scsiregs *)(a3000_host->base);
instance->base = ZTWO_VADDR(0xDD0000);
instance->irq = IRQ_AMIGA_PORTS;
regs = (a3000_scsiregs *)(instance->base);
regs->DAWR = DAWR_A3000;
wdregs.SASR = &regs->SASR;
wdregs.SCMD = &regs->SCMD;
hdata = shost_priv(a3000_host);
hdata = shost_priv(instance);
hdata->no_sync = 0xff;
hdata->fast = 0;
hdata->dma_mode = CTRL_DMA;
wd33c93_init(a3000_host, wdregs, dma_setup, dma_stop,
WD33C93_FS_12_15);
wd33c93_init(instance, wdregs, dma_setup, dma_stop, WD33C93_FS_12_15);
if (request_irq(IRQ_AMIGA_PORTS, a3000_intr, IRQF_SHARED, "A3000 SCSI",
a3000_intr))
instance))
goto fail_irq;
regs->CNTR = CNTR_PDMD | CNTR_INTEN;
return 1;
fail_irq:
scsi_unregister(a3000_host);
scsi_unregister(instance);
fail_register:
release_mem_region(0xDD0000, 256);
return 0;