Hi Konrad, sorry to bother you again, any comments for this patch ?
Thanks!
Yijing.
On 2015/4/28 17:32, Yijing Wang wrote:
> From: Arnd Bergmann <arnd@xxxxxxxx>
>
> Use pci_scan_root_bus() instead of deprecated function
> pci_scan_bus_parented().
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> Signed-off-by: Yijing Wang <wangyijing@xxxxxxxxxx>
> CC: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
> CC: xen-devel@xxxxxxxxxxxxxxxxxxxx
> ---
> drivers/pci/xen-pcifront.c | 16 +++++++++++++---
> 1 files changed, 13 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/pci/xen-pcifront.c b/drivers/pci/xen-pcifront.c
> index 7cfd2db..240f388 100644
> --- a/drivers/pci/xen-pcifront.c
> +++ b/drivers/pci/xen-pcifront.c
> @@ -446,9 +446,15 @@ static int pcifront_scan_root(struct pcifront_device *pdev,
> unsigned int domain, unsigned int bus)
> {
> struct pci_bus *b;
> + LIST_HEAD(resources);
> struct pcifront_sd *sd = NULL;
> struct pci_bus_entry *bus_entry = NULL;
> int err = 0;
> + static struct resource busn_res = {
> + .start = 0,
> + .end = 255,
> + .flags = IORESOURCE_BUS,
> + };
>
> #ifndef CONFIG_PCI_DOMAINS
> if (domain != 0) {
> @@ -470,17 +476,21 @@ static int pcifront_scan_root(struct pcifront_device *pdev,
> err = -ENOMEM;
> goto err_out;
> }
> + pci_add_resource(&resources, &ioport_resource);
> + pci_add_resource(&resources, &iomem_resource);
> + pci_add_resource(&resources, &busn_res);
> pcifront_init_sd(sd, domain, bus, pdev);
>
> pci_lock_rescan_remove();
>
> - b = pci_scan_bus_parented(&pdev->xdev->dev, bus,
> - &pcifront_bus_ops, sd);
> + b = pci_scan_root_bus(&pdev->xdev->dev, bus,
> + &pcifront_bus_ops, sd, &resources);
> if (!b) {
> dev_err(&pdev->xdev->dev,
> "Error creating PCI Frontend Bus!\n");
> err = -ENOMEM;
> pci_unlock_rescan_remove();
> + pci_free_resource_list(&resources);
> goto err_out;
> }
>
> @@ -488,7 +498,7 @@ static int pcifront_scan_root(struct pcifront_device *pdev,
>
> list_add(&bus_entry->list, &pdev->root_buses);
>
> - /* pci_scan_bus_parented skips devices which do not have a have
> + /* pci_scan_root_bus skips devices which do not have a
> * devfn==0. The pcifront_scan_bus enumerates all devfn. */
> err = pcifront_scan_bus(pdev, domain, bus, b);
>
>
--
Thanks!
Yijing
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