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Date:   Tue, 28 Mar 2023 19:53:34 +0800
From:   zhuyinbo <zhuyinbo@...ngson.cn>
To:     Andi Shyti <andi.shyti@...nel.org>
Cc:     Mark Brown <broonie@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-spi@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Jianmin Lv <lvjianmin@...ngson.cn>,
        wanghongliang@...ngson.cn, Liu Peibao <liupeibao@...ngson.cn>,
        loongson-kernel@...ts.loongnix.cn, zhuyinbo@...ngson.cn
Subject: Re: [PATCH v4 0/2] spi: loongson: add bus driver for the loongson spi



在 2023/3/28 下午7:35, Andi Shyti 写道:
> Hi Yinbo,
> 
> before submitting the patches for review... can you please run
> checkpatch.pl on them?
yes, I had used checkpatch.pl to check and no any errors and warnings.

user@...r-pc:~/workspace/test/code/www.kernel.org/linux$ 
./scripts/checkpatch.pl *.patch
-----------------------
0000-cover-letter.patch
-----------------------
total: 0 errors, 0 warnings, 0 lines checked

0000-cover-letter.patch has no obvious style problems and is ready for 
submission.
-------------------------------------------
0001-dt-bindings-spi-add-loongson-spi.patch
-------------------------------------------
Traceback (most recent call last):
   File "scripts/spdxcheck.py", line 6, in <module>
     from ply import lex, yacc
ModuleNotFoundError: No module named 'ply'
total: 0 errors, 0 warnings, 55 lines checked

0001-dt-bindings-spi-add-loongson-spi.patch has no obvious style 
problems and is ready for submission.
---------------------------------------------------------------
0002-spi-loongson-add-bus-driver-for-the-loongson-spi-con.patch
---------------------------------------------------------------
Traceback (most recent call last):
   File "scripts/spdxcheck.py", line 6, in <module>
     from ply import lex, yacc
ModuleNotFoundError: No module named 'ply'
Traceback (most recent call last):
   File "scripts/spdxcheck.py", line 6, in <module>
     from ply import lex, yacc
ModuleNotFoundError: No module named 'ply'
Traceback (most recent call last):
   File "scripts/spdxcheck.py", line 6, in <module>
     from ply import lex, yacc
ModuleNotFoundError: No module named 'ply'
Traceback (most recent call last):
   File "scripts/spdxcheck.py", line 6, in <module>
     from ply import lex, yacc
ModuleNotFoundError: No module named 'ply'
total: 0 errors, 0 warnings, 556 lines checked

0002-spi-loongson-add-bus-driver-for-the-loongson-spi-con.patch has no 
obvious style problems and is ready for submission.
user@...r-pc:~/workspace/test/code/www.kernel.org/linux$
> 
> Thanks,
> Andi
> 
> On Tue, Mar 28, 2023 at 07:22:08PM +0800, Yinbo Zhu wrote:
>> Loongson platform support spi hardware controller and this series patch
>> was to add spi driver and binding support.
>>
>> Change in v2:
>> 		1. This [PATCH v2 1/2] dt-bindings patch need depend on clk patch:
>> 	 	   https://
>> 		   lore.kernel.org/all/20230307115022.12846-1-zhuyinbo@...ngson.cn/
>> 		2. Remove the clock-names in spi yaml file.
>> 		3. Add "loongson,ls7a-spi" compatible in spi yaml file.
>> 		4. Add an || COMPILE_TEST and drop && PCI then add some CONFIG_PCI
>> 		   macro to limit some pci code.
>> 		5. Make the spi driver top code comment block that use C++ style.
>> 		6. Drop spi->max_speed_hz.
>> 		7. Add a spin_lock for loongson_spi_setup.
>> 		8. Add a timeout and cpu_relax() in loongson_spi_write_read_8bit.
>> 		9. Add spi_transfer_one and drop transfer and rework entire spi
>> 		   driver that include some necessary changes.
>> 		10. Use module_init replace subsys_initcall.
>> 		11. About PM interface that I don't find any issue so I don't add
>> 		    any changes.
>> Change in v3:
>> 		1. This [PATCH v3 1/2] dt-bindings patch need depend on clk patch:
>> 		   https://
>> 		   lore.kernel.org/all/20230323025229.2971-1-zhuyinbo@...ngson.cn/
>> 		2. Drop the unused blank line in loongson,ls-spi.yaml file.
>> 		3. Replace clock minItems with clock maxItems in yaml file.
>> 		4. Separate spi driver into platform module, pci module and core
>> 		   module.
>> 		5. Replace DIV_ROUND_UP with DIV_ROUND_UP_ULL to fix compile error
>> 		   "undefined reference to `__aeabi_uldivmod'" and  "__udivdi3 undefined"
>> 		   that reported by test robot.
>> 		6. Remove the spin lock.
>> 		7. Clear the loongson_spi->hz and loongson_spi->mode in setup to fixup
>> 		   the issue that multiple spi device transfer that maybe cause spi was
>> 		   be misconfigured.
>> Change in v4:
>> 		1. This [PATCH v4 1/2] dt-bindings patch need depend on clk patch:
>> 		   https://
>> 		   lore.kernel.org/all/20230323025229.2971-1-zhuyinbo@...ngson.cn/
>> 		2. Add "#include <linux/io.h>" in spi-loongson-core.c for fix the compile
>> 		   issue which devm_ioremap no declaration.
>> 		3. Add "EXPORT_SYMBOL_GPL(loongson_spi_dev_pm_ops)" in
>> 		   spi-loongson-core.c for fix the compile issue which
>> 		   loongson_spi_dev_pm_ops undefined.
>>
>> Yinbo Zhu (2):
>>    dt-bindings: spi: add loongson spi
>>    spi: loongson: add bus driver for the loongson spi controller
>>
>>   .../bindings/spi/loongson,ls-spi.yaml         |  43 +++
>>   MAINTAINERS                                   |  10 +
>>   drivers/spi/Kconfig                           |  31 ++
>>   drivers/spi/Makefile                          |   3 +
>>   drivers/spi/spi-loongson-core.c               | 304 ++++++++++++++++++
>>   drivers/spi/spi-loongson-pci.c                |  89 +++++
>>   drivers/spi/spi-loongson-plat.c               |  66 ++++
>>   drivers/spi/spi-loongson.h                    |  41 +++
>>   8 files changed, 587 insertions(+)
>>
>> -- 
>> 2.20.1
>>

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