linux-kernel - Re: [PATCH 06/10] fpga manager: Add altera-ps-spi driver for Altera FPGAs

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Date:   Sat, 10 Jun 2017 09:43:44 -0500
From:   Alan Tull <atull@...nel.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel <linux-kernel@...r.kernel.org>,
        linux-fpga@...r.kernel.org,
        Moritz Fischer <moritz.fischer@...us.com>,
        Joshua Clayton <stillcompiling@...il.com>,
        Anatolij Gustschin <agust@...x.de>
Subject: Re: [PATCH 06/10] fpga manager: Add altera-ps-spi driver for Altera FPGAs

On Fri, Jun 9, 2017 at 4:51 AM, Greg Kroah-Hartman
<gregkh@...uxfoundation.org> wrote:
> On Mon, Jun 05, 2017 at 02:07:37PM -0500, Alan Tull wrote:
>> From: Joshua Clayton <stillcompiling@...il.com>
>>
>> altera-ps-spi loads FPGA firmware over SPI, using the "passive serial"
>> interface on Altera Arria 10, Cyclone V or Stratix V FPGAs.
>>
>> This is one of the simpler ways to set up an FPGA at runtime.
>> The signal interface is close to unidirectional SPI with lsb first.
>>
>> Signed-off-by: Joshua Clayton <stillcompiling@...il.com>
>> Signed-off-by: Anatolij Gustschin <agust@...x.de>
>> Signed-off-by: Alan Tull <atull@...nel.org>
>
> I get the following build error with this patch:
>
> ERROR: "__spi_register_driver" [drivers/fpga/altera-ps-spi.ko] undefined!
>
> So I'll just ignore this whole series, can you fix these issues up and
> resend?

Yes, will do.

Alan

>
> thanks,
>
> greg k-h