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[MTD] Switch to pci_get_device and do ref counting

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Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
This commit is contained in:
Alan Cox 2006-09-22 10:19:20 +01:00 committed by David Woodhouse
parent 668040fcd1
commit dd8e9ed6ed
5 changed files with 32 additions and 8 deletions
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11
drivers/mtd/devices/pmc551.c
View File

@ -674,7 +674,7 @@ static int __init init_pmc551(void)
*/
for( count = 0; count < MAX_MTD_DEVICES; count++ ) {
if ((PCI_Device = pci_find_device(PCI_VENDOR_ID_V3_SEMI,
if ((PCI_Device = pci_get_device(PCI_VENDOR_ID_V3_SEMI,
PCI_DEVICE_ID_V3_SEMI_V370PDC,
PCI_Device ) ) == NULL) {
break;
@ -783,6 +783,10 @@ static int __init init_pmc551(void)
kfree(mtd);
break;
}
/* Keep a reference as the add_mtd_device worked */
pci_dev_get(PCI_Device);
printk(KERN_NOTICE "Registered pmc551 memory device.\n");
printk(KERN_NOTICE "Mapped %dM of memory from 0x%p to 0x%p\n",
priv->asize>>20,
@ -797,6 +801,10 @@ static int __init init_pmc551(void)
found++;
}
/* Exited early, reference left over */
if (PCI_Device)
pci_dev_put(PCI_Device);
if( !pmc551list ) {
printk(KERN_NOTICE "pmc551: not detected\n");
return -ENODEV;
@ -824,6 +832,7 @@ static void __exit cleanup_pmc551(void)
priv->asize>>20, priv->start);
iounmap (priv->start);
}
pci_dev_put(priv->dev);
kfree (mtd->priv);
del_mtd_device (mtd);

5
drivers/mtd/maps/amd76xrom.c
View File

@ -57,6 +57,7 @@ static void amd76xrom_cleanup(struct amd76xrom_window *window)
/* Disable writes through the rom window */
pci_read_config_byte(window->pdev, 0x40, &byte);
pci_write_config_byte(window->pdev, 0x40, byte & ~1);
pci_dev_put(window->pdev);
}
/* Free all of the mtd devices */
@ -91,7 +92,7 @@ static int __devinit amd76xrom_init_one (struct pci_dev *pdev,
struct amd76xrom_map_info *map = NULL;
unsigned long map_top;
/* Remember the pci dev I find the window in */
/* Remember the pci dev I find the window in - already have a ref */
window->pdev = pdev;
/* Assume the rom window is properly setup, and find it's size */
@ -302,7 +303,7 @@ static int __init init_amd76xrom(void)
struct pci_device_id *id;
pdev = NULL;
for(id = amd76xrom_pci_tbl; id->vendor; id++) {
pdev = pci_find_device(id->vendor, id->device, NULL);
pdev = pci_get_device(id->vendor, id->device, NULL);
if (pdev) {
break;
}

3
drivers/mtd/maps/ichxrom.c
View File

@ -61,6 +61,7 @@ static void ichxrom_cleanup(struct ichxrom_window *window)
/* Disable writes through the rom window */
pci_read_config_word(window->pdev, BIOS_CNTL, &word);
pci_write_config_word(window->pdev, BIOS_CNTL, word & ~1);
pci_dev_put(window->pdev);
/* Free all of the mtd devices */
list_for_each_entry_safe(map, scratch, &window->maps, list) {
@ -355,7 +356,7 @@ static int __init init_ichxrom(void)
pdev = NULL;
for (id = ichxrom_pci_tbl; id->vendor; id++) {
pdev = pci_find_device(id->vendor, id->device, NULL);
pdev = pci_get_device(id->vendor, id->device, NULL);
if (pdev) {
break;
}

12
drivers/mtd/maps/l440gx.c
View File

@ -61,14 +61,17 @@ static int __init init_l440gx(void)
struct resource *pm_iobase;
__u16 word;
dev = pci_find_device(PCI_VENDOR_ID_INTEL,
dev = pci_get_device(PCI_VENDOR_ID_INTEL,
PCI_DEVICE_ID_INTEL_82371AB_0, NULL);
pm_dev = pci_find_device(PCI_VENDOR_ID_INTEL,
pm_dev = pci_get_device(PCI_VENDOR_ID_INTEL,
PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
pci_dev_put(dev);
if (!dev || !pm_dev) {
printk(KERN_NOTICE "L440GX flash mapping: failed to find PIIX4 ISA bridge, cannot continue\n");
pci_dev_put(pm_dev);
return -ENODEV;
}
@ -76,6 +79,7 @@ static int __init init_l440gx(void)
if (!l440gx_map.virt) {
printk(KERN_WARNING "Failed to ioremap L440GX flash region\n");
pci_dev_put(pm_dev);
return -ENOMEM;
}
simple_map_init(&l440gx_map);
@ -99,8 +103,12 @@ static int __init init_l440gx(void)
pm_iobase->start += iobase & ~1;
pm_iobase->end += iobase & ~1;
pci_dev_put(pm_dev);
/* Allocate the resource region */
if (pci_assign_resource(pm_dev, PIIXE_IOBASE_RESOURCE) != 0) {
pci_dev_put(dev);
pci_dev_put(pm_dev);
printk(KERN_WARNING "Could not allocate pm iobase resource\n");
iounmap(l440gx_map.virt);
return -ENXIO;

9
drivers/mtd/maps/scx200_docflash.c
View File

@ -87,19 +87,23 @@ static int __init init_scx200_docflash(void)
printk(KERN_DEBUG NAME ": NatSemi SCx200 DOCCS Flash Driver\n");
if ((bridge = pci_find_device(PCI_VENDOR_ID_NS,
if ((bridge = pci_get_device(PCI_VENDOR_ID_NS,
PCI_DEVICE_ID_NS_SCx200_BRIDGE,
NULL)) == NULL)
return -ENODEV;
/* check that we have found the configuration block */
if (!scx200_cb_present())
if (!scx200_cb_present()) {
pci_dev_put(bridge);
return -ENODEV;
}
if (probe) {
/* Try to use the present flash mapping if any */
pci_read_config_dword(bridge, SCx200_DOCCS_BASE, &base);
pci_read_config_dword(bridge, SCx200_DOCCS_CTRL, &ctrl);
pci_dev_put(bridge);
pmr = inl(scx200_cb_base + SCx200_PMR);
if (base == 0
@ -127,6 +131,7 @@ static int __init init_scx200_docflash(void)
return -ENOMEM;
}
} else {
pci_dev_put(bridge);
for (u = size; u > 1; u >>= 1)
;
if (u != 1) {