Subject: [PATCH v4 09/30] PCI: Separate pci_host_bridge creation out of pci_create_root_bus()

From: [email-masked] (Yijing Wang)
Date: Tue, 3 Mar 2015 11:46:10 +0800

>> +
>> +	resource_list_for_each_entry_safe(window, n, resources)
>> +		list_move_tail(&window->node, &host->windows);
>> +
>> +	return host;
>> +}
>> +EXPORT_SYMBOL(pci_create_host_bridge);
> 
> Why does this need to be exported?  I don't want code outside drivers/pci
> using something like this.

OK, I will unexport it, if some drivers really want to export it, we could do
it when needed.

> 
>> +void pci_free_host_bridge(struct pci_host_bridge *host)
>>  struct pci_host_bridge {
>>  	u16	domain;
>> +	u16 busnum;
>>  	struct device dev;
>>  	struct pci_bus *bus;		/* root bus */
>>  	struct list_head windows;	/* resource_entry */
>> @@ -415,7 +416,8 @@ void pci_set_host_bridge_release(struct pci_host_bridge *bridge,
>>  		     void *release_data);
>>  
>>  int pcibios_root_bridge_prepare(struct pci_host_bridge *bridge);
>> -
>> +struct pci_host_bridge *pci_create_host_bridge(
>> +		struct device *parent, u32 dombus, struct list_head *resources);
> 
> Can these function declarations go in drivers/pci/pci.h instead?  I'd
> rather not expose them to the rest of the kernel unless we have to.

I would move it in drivers/pci/pci.h, thanks.

> 
>>  /*
>>   * The first PCI_BRIDGE_RESOURCE_NUM PCI bus resources (those that correspond
>>   * to P2P or CardBus bridge windows) go in a table.  Additional ones (for
>> @@ -774,6 +776,7 @@ struct pci_bus *pci_scan_bus_legacy(u32 dombus, struct pci_ops *ops, void *sysda
>>  struct pci_bus *pci_create_root_bus(struct device *parent, u32 dombus,
>>  				    struct pci_ops *ops, void *sysdata,
>>  				    struct list_head *resources);
>> +void pci_free_host_bridge(struct pci_host_bridge *host);
>>  int pci_bus_insert_busn_res(struct pci_bus *b, int bus, int busmax);
>>  int pci_bus_update_busn_res_end(struct pci_bus *b, int busmax);
>>  void pci_bus_release_busn_res(struct pci_bus *b);
>> -- 
>> 1.7.1
>>
> 
> .
> 

-- 
Thanks!
Yijing