linux-kernel - Re: [PATCH v3 1/4] fpga: dfl: reorganize to subdir layout

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Message-ID: <c8ff863b-e904-3e39-f397-31efb0762a95@redhat.com>
Date:   Mon, 14 Jun 2021 08:15:55 -0700
From:   Tom Rix <trix@...hat.com>
To:     Luca Ceresoli <luca@...aceresoli.net>, mdf@...nel.org,
        hao.wu@...el.com, michal.simek@...inx.com,
        gregkh@...uxfoundation.org, krzysztof.kozlowski@...onical.com,
        dinguyen@...nel.org, nava.manne@...inx.com, yilun.xu@...el.com,
        davidgow@...gle.com, fpacheco@...hat.com, richard.gong@...el.com
Cc:     linux-kernel@...r.kernel.org, linux-fpga@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3 1/4] fpga: dfl: reorganize to subdir layout


On 6/14/21 2:28 AM, Luca Ceresoli wrote:
> Hi Tom,
>
> On 11/06/21 18:21, trix@...hat.com wrote:
>> From: Tom Rix <trix@...hat.com>
>>
>> Follow drivers/net/ethernet/ which has control configs
>> NET_VENDOR_BLA that map to drivers/net/ethernet/bla
>> Since fpgas do not have many vendors, drop the 'VENDOR' and use
>> FPGA_BLA.
>>
>> There are several new subdirs
>> altera/
>> dfl/
>> lattice/
>> xilinx/
>>
>> Each subdir has a Kconfig that has a new/reused
>>
>> if FPGA_BLA
>>    ... existing configs ...
>> endif FPGA_BLA
>>
>> Which is sourced into the main fpga/Kconfig
>>
>> Each subdir has a Makefile whose transversal is controlled in the
>> fpga/Makefile by
>>
>> obj-$(CONFIG_FPGA_BLA) += bla/
>>
>> This is the dfl/ subdir part.
>>
>> Create a dfl/ subdir
>> Move dfl-* files to it.
>> Add a Kconfig and Makefile
>>
>> Because FPGA_DFL is now used in dfl/Kconfig in a if/endif
>> block, all the other configs in dfl/Kconfig implicitly depend
>> on FPGA_DFL.  So the explicit dependence can be removed.  Also
>> since FPGA_DFL depends on HAS_IOMEM, it can be removed from the
>> other configs.
>>
>> Signed-off-by: Tom Rix <trix@...hat.com>
>> ---
>>   MAINTAINERS                                 |  2 +-
>>   drivers/fpga/Kconfig                        | 80 +-------------------
>>   drivers/fpga/Makefile                       | 18 +----
>>   drivers/fpga/dfl/Kconfig                    | 83 +++++++++++++++++++++
>>   drivers/fpga/dfl/Makefile                   | 16 ++++
>>   drivers/fpga/{ => dfl}/dfl-afu-dma-region.c |  0
>>   drivers/fpga/{ => dfl}/dfl-afu-error.c      |  0
>>   drivers/fpga/{ => dfl}/dfl-afu-main.c       |  0
>>   drivers/fpga/{ => dfl}/dfl-afu-region.c     |  0
>>   drivers/fpga/{ => dfl}/dfl-afu.h            |  0
>>   drivers/fpga/{ => dfl}/dfl-fme-br.c         |  0
>>   drivers/fpga/{ => dfl}/dfl-fme-error.c      |  0
>>   drivers/fpga/{ => dfl}/dfl-fme-main.c       |  0
>>   drivers/fpga/{ => dfl}/dfl-fme-mgr.c        |  0
>>   drivers/fpga/{ => dfl}/dfl-fme-perf.c       |  0
>>   drivers/fpga/{ => dfl}/dfl-fme-pr.c         |  0
>>   drivers/fpga/{ => dfl}/dfl-fme-pr.h         |  0
>>   drivers/fpga/{ => dfl}/dfl-fme-region.c     |  0
>>   drivers/fpga/{ => dfl}/dfl-fme.h            |  0
>>   drivers/fpga/{ => dfl}/dfl-n3000-nios.c     |  0
>>   drivers/fpga/{ => dfl}/dfl-pci.c            |  0
>>   drivers/fpga/{ => dfl}/dfl.c                |  0
>>   drivers/fpga/{ => dfl}/dfl.h                |  0
>>   23 files changed, 102 insertions(+), 97 deletions(-)
>>   create mode 100644 drivers/fpga/dfl/Kconfig
>>   create mode 100644 drivers/fpga/dfl/Makefile
>>   rename drivers/fpga/{ => dfl}/dfl-afu-dma-region.c (100%)
>>   rename drivers/fpga/{ => dfl}/dfl-afu-error.c (100%)
>>   rename drivers/fpga/{ => dfl}/dfl-afu-main.c (100%)
>>   rename drivers/fpga/{ => dfl}/dfl-afu-region.c (100%)
>>   rename drivers/fpga/{ => dfl}/dfl-afu.h (100%)
>>   rename drivers/fpga/{ => dfl}/dfl-fme-br.c (100%)
>>   rename drivers/fpga/{ => dfl}/dfl-fme-error.c (100%)
>>   rename drivers/fpga/{ => dfl}/dfl-fme-main.c (100%)
>>   rename drivers/fpga/{ => dfl}/dfl-fme-mgr.c (100%)
>>   rename drivers/fpga/{ => dfl}/dfl-fme-perf.c (100%)
>>   rename drivers/fpga/{ => dfl}/dfl-fme-pr.c (100%)
> You should update Documentation/fpga/dfl.rst too as it mentions
> "drivers/fpga/dfl-fme-pr.c". This update was in your initial patch 5 so
> it's lost now, but it really should be in this patch.
>
>>   rename drivers/fpga/{ => dfl}/dfl-fme-pr.h (100%)
>>   rename drivers/fpga/{ => dfl}/dfl-fme-region.c (100%)
>>   rename drivers/fpga/{ => dfl}/dfl-fme.h (100%)
>>   rename drivers/fpga/{ => dfl}/dfl-n3000-nios.c (100%)
>>   rename drivers/fpga/{ => dfl}/dfl-pci.c (100%)
>>   rename drivers/fpga/{ => dfl}/dfl.c (100%)
> Same as above.

Yes to both, will be fixed in v4

Tom


>