pci_request_regions()

pci_request_regions()

[Paolo]

I cannot locate pci_request_regions()

Where can I find it?

I am working with kernel 2.6.32.

Supposedly, it should be in drivers/pci/pci.c but there is nothing like that.

There, I see:
.
├── hotplug
│   ├── Kconfig
│   └── Makefile
├── Kconfig
├── Makefile
└── pcie
    ├── aer
    │   ├── Kconfig
    │   ├── Kconfig.debug
    │   └── Makefile
    ├── Kconfig
    └── Makefile

Re: pci_request_regions()

[Bjorn Helgaas]

On Mon, Oct 1, 2012 at 4:28 PM, Paolo <paolopiace@gmail.com> wrote:
> I cannot locate pci_request_regions()
>
> Where can I find it?
>
> I am working with kernel 2.6.32.
>
> Supposedly, it should be in drivers/pci/pci.c but there is nothing like that.

In 2.6.32, the function pci_request_regions() is in the file
drivers/pci/pci.c.  It's still there in the current kernel (v3.6).

The stuff below looks like a directory hierarchy, not information
about the *contents* of the files.

> There, I see:
> .
> ├── hotplug
> │   ├── Kconfig
> │   └── Makefile
> ├── Kconfig
> ├── Makefile
> └── pcie
>     ├── aer
>     │   ├── Kconfig
>     │   ├── Kconfig.debug
>     │   └── Makefile
>     ├── Kconfig
>     └── Makefile
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-pci" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html

Re: pci_request_regions()

[Paolo]

Bjorn Helgaas <bhelgaas <at> google.com> writes:
> 
> In 2.6.32, the function pci_request_regions() is in the file
> drivers/pci/pci.c.  It's still there in the current kernel (v3.6).
> 
> The stuff below looks like a directory hierarchy, not information
> about the *contents* of the files.
>

Don't know what to say. There is NO string "pci_request_regions" in any of those
files. They are just Makefile and Kconfig.
Yet, I'm working on a driver that calls that function and works just fine.
How/where does it find that pci_request_regions()?

Here is the output of the ls command, purged of the dot directories.

paolo@paolo-DT0:/usr/src/linux-headers-2.6.32-43$ ls -laR drivers/pci/

drivers/pci/:
drwxr-xr-x  2 root root 4096 2012-09-20 14:55 hotplug
-rw-r--r--  1 root root 1977 2009-12-02 19:51 Kconfig
-rw-r--r--  1 root root 1600 2009-12-02 19:51 Makefile
drwxr-xr-x  3 root root 4096 2012-09-20 14:55 pcie

drivers/pci/hotplug:
-rw-r--r-- 1 root root 4907 2009-12-02 19:51 Kconfig
-rw-r--r-- 1 root root 1855 2009-12-02 19:51 Makefile

drivers/pci/pcie:
drwxr-xr-x 2 root root 4096 2012-09-20 14:55 aer
-rw-r--r-- 1 root root 1241 2009-12-02 19:51 Kconfig
-rw-r--r-- 1 root root  286 2009-12-02 19:51 Makefile

drivers/pci/pcie/aer:
-rw-r--r-- 1 root root  634 2009-12-02 19:51 Kconfig
-rw-r--r-- 1 root root  585 2009-12-02 19:51 Kconfig.debug
-rw-r--r-- 1 root root  294 2009-12-02 19:51 Makefile

Re: pci_request_regions()

[Bjorn Helgaas]

On Tue, Oct 2, 2012 at 12:16 AM, Paolo <paolopiace@hotmail.com> wrote:
> Bjorn Helgaas <bhelgaas <at> google.com> writes:
>>
>> In 2.6.32, the function pci_request_regions() is in the file
>> drivers/pci/pci.c.  It's still there in the current kernel (v3.6).
>>
>> The stuff below looks like a directory hierarchy, not information
>> about the *contents* of the files.
>>
>
> Don't know what to say. There is NO string "pci_request_regions" in any of those
> files. They are just Makefile and Kconfig.
> Yet, I'm working on a driver that calls that function and works just fine.
> How/where does it find that pci_request_regions()?
>
> Here is the output of the ls command, purged of the dot directories.
>
> paolo@paolo-DT0:/usr/src/linux-headers-2.6.32-43$ ls -laR drivers/pci/
>
> drivers/pci/:
> drwxr-xr-x  2 root root 4096 2012-09-20 14:55 hotplug
> -rw-r--r--  1 root root 1977 2009-12-02 19:51 Kconfig
> -rw-r--r--  1 root root 1600 2009-12-02 19:51 Makefile
> drwxr-xr-x  3 root root 4096 2012-09-20 14:55 pcie

You don't have a complete kernel source tree.  I think you're looking
at just a kernel headers tree, e.g., what's installed in Ubuntu by the
linux-headers package.  You need to install something like the
"linux-source" package to get the entire source tree.

Bjorn

Re: pci_request_regions()

[Paolo]

> Bjorn Helgaas <bhelgaas <at> google.com> writes:
>
> You don't have a complete kernel source tree.

Rightfully so! Thanks a bunch.