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pata_hpt37x: fold 'if' statement into 'switch'

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hpt37x_init_one() has a large *if* statement which should really be folded into
the *switch* statement that currently constitutes its *else* branch, reducing
one level of indentation...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Sergei Shtylyov 2011-01-10 22:31:13 +03:00 committed by Jeff Garzik
parent 40d69ba029
commit 910f7bb164
1 changed files with 43 additions and 46 deletions
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89
drivers/ata/pata_hpt37x.c
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@ -24,7 +24,7 @@
#include <linux/libata.h>
#define DRV_NAME "pata_hpt37x"
#define DRV_VERSION "0.6.20"
#define DRV_VERSION "0.6.21"
struct hpt_clock {
u8 xfer_speed;
@ -838,7 +838,8 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
if (rc)
return rc;
if (dev->device == PCI_DEVICE_ID_TTI_HPT366) {
switch (dev->device) {
case PCI_DEVICE_ID_TTI_HPT366:
/* May be a later chip in disguise. Check */
/* Older chips are in the HPT366 driver. Ignore them */
if (rev < 3)
@ -867,50 +868,46 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
"please report (%d).\n", rev);
return -ENODEV;
}
} else {
switch (dev->device) {
case PCI_DEVICE_ID_TTI_HPT372:
/* 372N if rev >= 2 */
if (rev >= 2)
return -ENODEV;
ppi[0] = &info_hpt372;
chip_table = &hpt372a;
break;
case PCI_DEVICE_ID_TTI_HPT302:
/* 302N if rev > 1 */
if (rev > 1)
return -ENODEV;
ppi[0] = &info_hpt302;
/* Check this */
chip_table = &hpt302;
break;
case PCI_DEVICE_ID_TTI_HPT371:
if (rev > 1)
return -ENODEV;
ppi[0] = &info_hpt302;
chip_table = &hpt371;
/*
* Single channel device, master is not present
* but the BIOS (or us for non x86) must mark it
* absent
*/
pci_read_config_byte(dev, 0x50, &mcr1);
mcr1 &= ~0x04;
pci_write_config_byte(dev, 0x50, mcr1);
break;
case PCI_DEVICE_ID_TTI_HPT374:
chip_table = &hpt374;
if (!(PCI_FUNC(dev->devfn) & 1))
*ppi = &info_hpt374_fn0;
else
*ppi = &info_hpt374_fn1;
break;
default:
pr_err(DRV_NAME
": PCI table is bogus, please report (%d).\n",
dev->device);
return -ENODEV;
}
break;
case PCI_DEVICE_ID_TTI_HPT372:
/* 372N if rev >= 2 */
if (rev >= 2)
return -ENODEV;
ppi[0] = &info_hpt372;
chip_table = &hpt372a;
break;
case PCI_DEVICE_ID_TTI_HPT302:
/* 302N if rev > 1 */
if (rev > 1)
return -ENODEV;
ppi[0] = &info_hpt302;
/* Check this */
chip_table = &hpt302;
break;
case PCI_DEVICE_ID_TTI_HPT371:
if (rev > 1)
return -ENODEV;
ppi[0] = &info_hpt302;
chip_table = &hpt371;
/*
* Single channel device, master is not present but the BIOS
* (or us for non x86) must mark it absent
*/
pci_read_config_byte(dev, 0x50, &mcr1);
mcr1 &= ~0x04;
pci_write_config_byte(dev, 0x50, mcr1);
break;
case PCI_DEVICE_ID_TTI_HPT374:
chip_table = &hpt374;
if (!(PCI_FUNC(dev->devfn) & 1))
*ppi = &info_hpt374_fn0;
else
*ppi = &info_hpt374_fn1;
break;
default:
pr_err(DRV_NAME ": PCI table is bogus, please report (%d).\n",
dev->device);
return -ENODEV;
}
/* Ok so this is a chip we support */