linux-kernel - Re: [PATCH v4 0/2] spi: loongson: add bus driver for the loongson spi

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Date:   Tue, 28 Mar 2023 13:35:36 +0200
From:   Andi Shyti <andi.shyti@...nel.org>
To:     Yinbo Zhu <zhuyinbo@...ngson.cn>
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
Subject: Re: [PATCH v4 0/2] spi: loongson: add bus driver for the loongson spi

Hi Yinbo,

before submitting the patches for review... can you please run
checkpatch.pl on them?

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
>