linux-kernel - Re: [PATCH v2 16/16] fpga: region: move device tree support to of-fpga-region.c

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Date:   Fri, 28 Apr 2017 12:37:41 -0500
From:   Alan Tull <atull@...nel.org>
To:     Wu Hao <hao.wu@...el.com>
Cc:     Moritz Fischer <moritz.fischer@...us.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-fpga@...r.kernel.org
Subject: Re: [PATCH v2 16/16] fpga: region: move device tree support to of-fpga-region.c

On Fri, Apr 28, 2017 at 1:38 AM, Wu Hao <hao.wu@...el.com> wrote:
> On Thu, Apr 20, 2017 at 09:10:01AM -0500, Alan Tull wrote:
>> Create of-fpga-region.c
>>
>> Move the following functions without modification from
>> fpga-region.c to of-fpga-region.c:
>>
>> * of_fpga_region_find
>> * of_fpga_region_get_mgr
>> * of_fpga_region_get_bridges
>> * child_regions_with_firmware
>> * of_fpga_region_parse_ov
>> * of_fpga_region_notify_pre_apply
>> * of_fpga_region_notify_post_remove
>> * of_fpga_region_notify
>> * of_fpga_region_probe
>> * of_fpga_region_remove
>>
>> Create two new function with some code from fpga_region_init/exit.
>>
>> * of_fpga_region_init
>> * of_fpga_region_exit
>>
>> Signed-off-by: Alan Tull <atull@...nel.org>
>> ---
>> v2: split out code changes into other patches, only move code here
>> ---
>>  drivers/fpga/Kconfig          |  13 +-
>>  drivers/fpga/Makefile         |   1 +
>>  drivers/fpga/fpga-region.c    | 449 +-------------------------------------
>>  drivers/fpga/of-fpga-region.c | 493 ++++++++++++++++++++++++++++++++++++++++++
>>  4 files changed, 505 insertions(+), 451 deletions(-)
>>  create mode 100644 drivers/fpga/of-fpga-region.c
>>
>> diff --git a/drivers/fpga/Kconfig b/drivers/fpga/Kconfig
>> index 161ba9d..394c141 100644
>> --- a/drivers/fpga/Kconfig
>> +++ b/drivers/fpga/Kconfig
>> @@ -15,10 +15,17 @@ if FPGA
>>
>>  config FPGA_REGION
>>       tristate "FPGA Region"
>> -     depends on OF && FPGA_BRIDGE
>> +     depends on FPGA_BRIDGE
>> +     help
>> +       FPGA Region common code.  A FPGA Region controls a FPGA Manager
>> +       and the FPGA Bridges associated with either a reconfigurable
>> +       region of an FPGA or a whole FPGA.
>> +
>
> Hi Alan
>
> As FPGA_BRIDGE depends on OF, so FPGA_REGION still can't be selected
> without OF. Should we remove the OF dependency for FPGA_BRIDGE as well?

Yes, I will do that in v3.

Thanks,
Alan

>
> Thanks
> Hao