linux-kernel - Re: [PATCH v7 4/4] fpga: add configuration for the FPGA KUnit test suites.

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Message-ID: <4c247ee8-58cd-100b-9229-306fb0a0db1d@redhat.com>
Date:   Tue, 27 Jun 2023 18:19:26 +0200
From:   Marco Pagani <marpagan@...hat.com>
To:     Xu Yilun <yilun.xu@...el.com>
Cc:     Moritz Fischer <mdf@...nel.org>, Wu Hao <hao.wu@...el.com>,
        Tom Rix <trix@...hat.com>, linux-kernel@...r.kernel.org,
        linux-fpga@...r.kernel.org
Subject: Re: [PATCH v7 4/4] fpga: add configuration for the FPGA KUnit test
 suites.



On 2023-06-25 10:23, Xu Yilun wrote:
> On 2023-06-16 at 17:44:05 +0200, Marco Pagani wrote:
>> Add configuration for the KUnit test suites for the core components
>> of the FPGA subsystem.
>>
>> Signed-off-by: Marco Pagani <marpagan@...hat.com>
>> ---
>>  drivers/fpga/Kconfig            |  2 ++
>>  drivers/fpga/Makefile           |  3 +++
>>  drivers/fpga/tests/.kunitconfig |  5 +++++
>>  drivers/fpga/tests/Kconfig      | 11 +++++++++++
>>  drivers/fpga/tests/Makefile     |  5 +++++
>>  5 files changed, 26 insertions(+)
>>  create mode 100644 drivers/fpga/tests/.kunitconfig
>>  create mode 100644 drivers/fpga/tests/Kconfig
>>  create mode 100644 drivers/fpga/tests/Makefile
>>
>> diff --git a/drivers/fpga/Kconfig b/drivers/fpga/Kconfig
>> index 0a00763b9f28..2f689ac4ba3a 100644
>> --- a/drivers/fpga/Kconfig
>> +++ b/drivers/fpga/Kconfig
>> @@ -276,4 +276,6 @@ config FPGA_MGR_LATTICE_SYSCONFIG_SPI
>>  	  FPGA manager driver support for Lattice FPGAs programming over slave
>>  	  SPI sysCONFIG interface.
>>  
>> +source "drivers/fpga/tests/Kconfig"
>> +
>>  endif # FPGA
>> diff --git a/drivers/fpga/Makefile b/drivers/fpga/Makefile
>> index 72e554b4d2f7..352a2612623e 100644
>> --- a/drivers/fpga/Makefile
>> +++ b/drivers/fpga/Makefile
>> @@ -55,3 +55,6 @@ obj-$(CONFIG_FPGA_DFL_NIOS_INTEL_PAC_N3000)	+= dfl-n3000-nios.o
>>  
>>  # Drivers for FPGAs which implement DFL
>>  obj-$(CONFIG_FPGA_DFL_PCI)		+= dfl-pci.o
>> +
>> +# KUnit tests
>> +obj-$(CONFIG_FPGA_KUNIT_TESTS)		+= tests/
>> diff --git a/drivers/fpga/tests/.kunitconfig b/drivers/fpga/tests/.kunitconfig
>> new file mode 100644
>> index 000000000000..a1c2a2974c39
>> --- /dev/null
>> +++ b/drivers/fpga/tests/.kunitconfig
>> @@ -0,0 +1,5 @@
>> +CONFIG_KUNIT=y
>> +CONFIG_FPGA=y
>> +CONFIG_FPGA_REGION=y
>> +CONFIG_FPGA_BRIDGE=y
>> +CONFIG_FPGA_KUNIT_TESTS=y
>> diff --git a/drivers/fpga/tests/Kconfig b/drivers/fpga/tests/Kconfig
>> new file mode 100644
>> index 000000000000..e4a64815f16d
>> --- /dev/null
>> +++ b/drivers/fpga/tests/Kconfig
>> @@ -0,0 +1,11 @@
>> +config FPGA_KUNIT_TESTS
>> +	tristate "KUnit test for the FPGA subsystem" if !KUNIT_ALL_TESTS
>> +	depends on FPGA && FPGA_REGION && FPGA_BRIDGE && KUNIT=y
> 
> Why KUNIT shouldn't be 'm'
>

The "running tips" section of KUnit documentation suggests that tests should
ideally depend on KUNIT=y in their Kconfigs because some features will not work
when KUNIT=m


>> +	default KUNIT_ALL_TESTS
>> +        help
>> +          This builds unit tests for the FPGA subsystem
>> +
>> +          For more information on KUnit and unit tests in general,
>> +          please refer to the KUnit documentation in Documentation/dev-tools/kunit/.
>> +
>> +          If unsure, say N.
>> diff --git a/drivers/fpga/tests/Makefile b/drivers/fpga/tests/Makefile
>> new file mode 100644
>> index 000000000000..faa5fa230ab0
>> --- /dev/null
>> +++ b/drivers/fpga/tests/Makefile
>> @@ -0,0 +1,5 @@
>> +# SPDX-License-Identifier: GPL-2.0
>> +
>> +obj-$(CONFIG_FPGA_KUNIT_TESTS) += fpga-mgr-test.o
>> +obj-$(CONFIG_FPGA_KUNIT_TESTS) += fpga-bridge-test.o
>> +obj-$(CONFIG_FPGA_KUNIT_TESTS) += fpga-region-test.o
> 
> Could be integrated in one line?

Yes.

> 
> Thanks,
> Yilun
> 
>> -- 
>> 2.40.1
>>
>