[Buildroot] [PATCH] package/linux-tools: introduce spi linux tools

[Baruch Siach <baruch@tkos.co.il>]

Hi Eugen,

On Wed, May 13 2020, Eugen.Hristev at microchip.com wrote:
> On 13.05.2020 18:21, Baruch Siach wrote:
>> On Wed, May 13 2020, Eugen Hristev wrote:
>>> Add new linux tools package : spi. This is present in the Linux Kernel since
>>> 4.5.
>>> It now includes spidev_test and spidev_fdx tools.
>> 
>> We have a package for spidev_test already. Consider adding spidev_fdx to
>> that package instead.
>
> While I understand your point, you should also consider that all linux 
> tools have a specific way to build in buildroot, and this I think should 
> be consistent.

Agreed.

> And spi tools would be not just spidev_test and might include future 
> applications, which may or may not have their place in the same spot as 
> spidev_test .

In that case I think you should remove the spidev_test package.

baruch

>>> Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
>>> ---
>>>
>>> Inspired by the linux-tools iio mk.in file.
>>>
>>>   package/linux-tools/Config.in            |  7 ++++++
>>>   package/linux-tools/linux-tool-spi.mk.in | 29 ++++++++++++++++++++++++
>>>   2 files changed, 36 insertions(+)
>>>   create mode 100644 package/linux-tools/linux-tool-spi.mk.in
>>>
>>> diff --git a/package/linux-tools/Config.in b/package/linux-tools/Config.in
>>> index ceb58c668a..60df99dc4a 100644
>>> --- a/package/linux-tools/Config.in
>>> +++ b/package/linux-tools/Config.in
>>> @@ -108,6 +108,13 @@ comment "selftests needs BR2_PACKAGE_BUSYBOX_SHOW_OTHERS and a toolchain w/ dyna
>>>        depends on BR2_USE_MMU
>>>        depends on !BR2_PACKAGE_BUSYBOX_SHOW_OTHERS || BR2_STATIC_LIBS
>>>
>>> +config BR2_PACKAGE_LINUX_TOOLS_SPI
>>> +     bool "spi"
>>> +     select BR2_PACKAGE_LINUX_TOOLS
>>> +     help
>>> +       spi is a collection of tools to test and measure performances
>>> +       of SPI (Serial Peripheral Interface) bus devices.
>>> +
>>>   config BR2_PACKAGE_LINUX_TOOLS_TMON
>>>        bool "tmon"
>>>        select BR2_PACKAGE_LINUX_TOOLS
>>> diff --git a/package/linux-tools/linux-tool-spi.mk.in b/package/linux-tools/linux-tool-spi.mk.in
>>> new file mode 100644
>>> index 0000000000..f6c4298380
>>> --- /dev/null
>>> +++ b/package/linux-tools/linux-tool-spi.mk.in
>>> @@ -0,0 +1,29 @@
>>> +################################################################################
>>> +#
>>> +# spi
>>> +#
>>> +################################################################################
>>> +
>>> +LINUX_TOOLS += spi
>>> +
>>> +SPI_MAKE_OPTS = $(LINUX_MAKE_FLAGS)
>>> +
>>> +define SPI_BUILD_CMDS
>>> +     $(Q)if ! grep install $(LINUX_DIR)/tools/spi/Makefile >/dev/null 2>&1 ; then \
>>> +             echo "Your kernel version is too old and does not have install section in the spi tools." ; \
>>> +             echo "At least kernel 4.5 must be used." ; \
>>> +             exit 1 ; \
>>> +     fi
>>> +
>>> +     $(TARGET_MAKE_ENV) $(MAKE) -C $(LINUX_DIR)/tools/spi \
>>> +             $(SPI_MAKE_OPTS)
>>> +endef
>>> +
>>> +# DESTDIR used since kernel version 4.14
>>> +define SPI_INSTALL_TARGET_CMDS
>>> +     $(TARGET_MAKE_ENV) $(MAKE) -C $(LINUX_DIR)/tools/spi \
>>> +             $(SPI_MAKE_OPTS) \
>>> +             INSTALL_ROOT=$(TARGET_DIR) \
>>> +             DESTDIR=$(TARGET_DIR) \
>>> +             install
>>> +endef

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