[U-Boot] [PATCH] PCIe:Add a function to get the address of requested capability structure.

[Wolfgang Denk]

Dear Zhao Qiang,

In message <1378689694-26708-1-git-send-email-B45475 at freescale.com> you wrote:
> Add a function to get the address of requested capability structure in PCIe
> configuration space by capability ID.
> The step of this function:
> 	1. Read Status register in PCIe configuration space to confirm that
> 	   Capabilities List is valid.
> 	2. Find the address of Capabilities Pointer Register.
> 	3. Find the address of requested capability from the first capability.

Why would such an extension be needed?  As is, you are just adding
dead code.

Best regards,

Wolfgang Denk

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