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s390/pci: implement pcibios_release_device

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Use pcibios_release_device to implement architecture-specific
functionality when a pci device is released. This function
will be called during pci_release_dev.

Reviewed-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Sebastian Ott 2013-06-05 16:06:16 +02:00 committed by Martin Schwidefsky
parent 44b9ca4753
commit 944239c59e
1 changed files with 25 additions and 1 deletions
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26
arch/s390/pci/pci.c
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@ -565,7 +565,21 @@ static void zpci_map_resources(struct zpci_dev *zdev)
pr_debug("BAR%i: -> start: %Lx end: %Lx\n",
i, pdev->resource[i].start, pdev->resource[i].end);
}
};
}
static void zpci_unmap_resources(struct zpci_dev *zdev)
{
struct pci_dev *pdev = zdev->pdev;
resource_size_t len;
int i;
for (i = 0; i < PCI_BAR_COUNT; i++) {
len = pci_resource_len(pdev, i);
if (!len)
continue;
pci_iounmap(pdev, (void *) pdev->resource[i].start);
}
}
struct zpci_dev *zpci_alloc_device(void)
{
@ -810,6 +824,16 @@ int pcibios_add_device(struct pci_dev *pdev)
return 0;
}
void pcibios_release_device(struct pci_dev *pdev)
{
struct zpci_dev *zdev = get_zdev(pdev);
zpci_unmap_resources(zdev);
zpci_fmb_disable_device(zdev);
zpci_debug_exit_device(zdev);
zdev->pdev = NULL;
}
static int zpci_scan_bus(struct zpci_dev *zdev)
{
struct resource *res;