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Date:   Mon, 16 Jan 2017 07:51:10 -0800
From:   Christoph Hellwig <>
To:     Kishon Vijay Abraham I <>
Cc:     Christoph Hellwig <>,
        Bjorn Helgaas <>,
        Jingoo Han <>,
        Joao Pinto <>,
        Arnd Bergmann <>,,,,,,,,,,,
Subject: Re: [PATCH 16/37] PCI: endpoint: Introduce configfs entry for
 configuring EP functions

On Mon, Jan 16, 2017 at 11:31:23AM +0530, Kishon Vijay Abraham I wrote:
> Actually not all devices have hardcoded headers. E.g the platform I'm using
> doesn't have hardcoded headers and it can be configured based on the function
> the user would like to use. If the devices are hardcoded, then using configfs
> can be skipped altogether. In such cases, APIs like pci_epf_create() can
> directly be used by the drivers instead of going via configfs.

That's exactly what I meant - the IDs need to be set by the driver for
the implemented PCI device, and it's not up to the gadget core to configur
e them, it's up to the implementation of the PCIe device which PCI it

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