Re: [Patch v3 6/7] x86/PCI/ACPI: Use common interface to support PCI host bridge

From: Hanjun Guo
Date: Tue Jun 02 2015 - 02:32:27 EST


On 2015/6/2 13:56, Jiang Liu wrote:
> On 2015/5/22 21:55, Hanjun Guo wrote:
>> On 2015å05æ14æ 16:56, Jiang Liu wrote:
>>> Use common interface to simplify ACPI PCI host bridge implementation.
>>>
>>> Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
>>> ---
>>> arch/x86/pci/acpi.c | 292
>>> +++++++++++++++------------------------------------
>>> 1 file changed, 85 insertions(+), 207 deletions(-)
>>>
>> [...]
>>> -static void release_pci_root_info(struct pci_host_bridge *bridge)
>>> +static void pci_acpi_root_release_info(struct acpi_pci_root_info *ci)
>>> {
>>> - struct resource *res;
>>> - struct resource_entry *entry;
>>> - struct pci_root_info *info = bridge->release_data;
>>> -
>>> - resource_list_for_each_entry(entry, &bridge->windows) {
>>> - res = entry->res;
>>> - if (res->parent &&
>>> - (res->flags & (IORESOURCE_MEM | IORESOURCE_IO)))
>>> - release_resource(res);
>>> - }
>>> -
>>> - teardown_mcfg_map(info);
>>> - kfree(info);
>>> + teardown_mcfg_map(ci);
>>> + kfree(ci);
>> Implicit pointer cast? I think add a comment here that %p of ci
>> is same as %p of info would be helpful for review and easy understood.
> Good point, will change as:
> kfree(container_of(ci, struct pci_root_info, common));

This way is better :)

Thanks
Hanjun

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