On Tue, Mar 6, 2012 at 12:13 AM, Yinghai Lu <yinghai@xxxxxxxxxx> wrote:
> will use it with pci_stop_and_remove_bus later.
>
> also remove __pci_remove_behind_bridge and pci_stop_behind_bridge.
>
> they are same except one take bridge and one take bus.
>
> and we already have pci_stop_bus_devices()
>
> Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
> ---
> drivers/pci/remove.c | 28 +++++++++++-----------------
> 1 files changed, 11 insertions(+), 17 deletions(-)
>
> diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c
> index 243d59b..62c348c 100644
> --- a/drivers/pci/remove.c
> +++ b/drivers/pci/remove.c
> @@ -78,7 +78,7 @@ void pci_remove_bus(struct pci_bus *pci_bus)
> }
> EXPORT_SYMBOL(pci_remove_bus);
>
> -static void __pci_remove_behind_bridge(struct pci_dev *dev);
> +static void __pci_remove_bus_devices(struct pci_bus *bus);
> /**
> * pci_stop_and_remove_bus_device - remove a PCI device and any children
> * @dev: the device to remove
> @@ -96,7 +96,7 @@ void __pci_remove_bus_device(struct pci_dev *dev)
> if (dev->subordinate) {
> struct pci_bus *b = dev->subordinate;
>
> - __pci_remove_behind_bridge(dev);
> + __pci_remove_bus_devices(b);
> pci_remove_bus(b);
> dev->subordinate = NULL;
> }
> @@ -111,22 +111,12 @@ void pci_stop_and_remove_bus_device(struct pci_dev *dev)
> __pci_remove_bus_device(dev);
> }
>
> -static void __pci_remove_behind_bridge(struct pci_dev *dev)
> +static void __pci_remove_bus_devices(struct pci_bus *bus)
> {
> struct list_head *l, *n;
>
> - if (dev->subordinate)
> - list_for_each_safe(l, n, &dev->subordinate->devices)
> - __pci_remove_bus_device(pci_dev_b(l));
> -}
> -
> -static void pci_stop_behind_bridge(struct pci_dev *dev)
> -{
> - struct list_head *l, *n;
> -
> - if (dev->subordinate)
> - list_for_each_safe(l, n, &dev->subordinate->devices)
> - pci_stop_bus_device(pci_dev_b(l));
> + list_for_each_safe(l, n, &bus->devices)
> + __pci_remove_bus_device(pci_dev_b(l));
Use list_for_each_entry_safe() so you don't need pci_dev_b().
> }
>
> static void pci_stop_bus_devices(struct pci_bus *bus)
> @@ -158,8 +148,12 @@ static void pci_stop_bus_devices(struct pci_bus *bus)
> */
> void pci_stop_and_remove_behind_bridge(struct pci_dev *dev)
> {
> - pci_stop_behind_bridge(dev);
> - __pci_remove_behind_bridge(dev);
> + struct pci_bus *bus = dev->subordinate;
> +
> + if (bus) {
Don't check "bus" here. If the caller screws up and passes a
non-bridge pointer, I want to learn about it rather than ignore it.
> + pci_stop_bus_devices(bus);
> + __pci_remove_bus_devices(bus);
> + }
> }
>
> /**
> --
> 1.7.7
>
> --
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