[PATCH 4/5] SCSI/initio PCI dev init factorization

From: Jeff Garzik
Date: Sun May 27 2007 - 10:58:24 EST



Factor PCI device init into separate function. No code changes,
except for return value differences.

Signed-off-by: Jeff Garzik <jeff@xxxxxxxxxx>

6714c073a9df8c923fbfc661a1f287dfd1a74852
diff --git a/drivers/scsi/initio.c b/drivers/scsi/initio.c
index 2bc2390..702dcf5 100644
--- a/drivers/scsi/initio.c
+++ b/drivers/scsi/initio.c
@@ -2742,38 +2742,53 @@ static irqreturn_t i91u_intr(int irqno, void *dev_id)
return IRQ_HANDLED;
}

+static int tul_pci_dev_init(struct pci_dev *pDev)
+{
+ long dRegValue;
+ WORD wBIOS;
+ int rc;
+
+ rc = pci_enable_device(pDev);
+ if (rc)
+ return rc;
+
+ pci_read_config_dword(pDev, 0x44, (u32 *) & dRegValue);
+ wBIOS = (UWORD) (dRegValue & 0xFF);
+ if (((dRegValue & 0xFF00) >> 8) == 0xFF)
+ dRegValue = 0;
+ wBIOS = (wBIOS << 8) + ((UWORD) ((dRegValue & 0xFF00) >> 8));
+
+ rc = pci_set_dma_mask(pDev, DMA_32BIT_MASK);
+ if (rc) {
+ printk(KERN_WARNING
+ "i91u: Could not set 32 bit DMA mask\n");
+ return rc;
+ }
+
+ rc = Addi91u_into_Adapter_table(wBIOS, pDev);
+ if (rc)
+ return -ENODEV;
+
+ return 0;
+}
+
static int tul_NewReturnNumberOfAdapters(void)
{
struct pci_dev *pDev = NULL; /* Start from none */
int iAdapters = 0;
- long dRegValue;
- WORD wBIOS;
- int i = 0;
+ int i;

init_i91uAdapter_table();

for (i = 0; i < ARRAY_SIZE(i91u_pci_devices); i++)
{
while ((pDev = pci_find_device(i91u_pci_devices[i].vendor, i91u_pci_devices[i].device, pDev)) != NULL) {
- if (pci_enable_device(pDev))
- continue;
- pci_read_config_dword(pDev, 0x44, (u32 *) & dRegValue);
- wBIOS = (UWORD) (dRegValue & 0xFF);
- if (((dRegValue & 0xFF00) >> 8) == 0xFF)
- dRegValue = 0;
- wBIOS = (wBIOS << 8) + ((UWORD) ((dRegValue & 0xFF00) >> 8));
- if (pci_set_dma_mask(pDev, DMA_32BIT_MASK)) {
- printk(KERN_WARNING
- "i91u: Could not set 32 bit DMA mask\n");
- continue;
- }
-
- if (Addi91u_into_Adapter_table(wBIOS, pDev) == 0)
+ if (tul_pci_dev_init(pDev) == 0)
iAdapters++;
}
}

- return (iAdapters);
+ return iAdapters;
}

static int i91u_detect(struct scsi_host_template * tpnt)
-
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