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

From: Andi Shyti
Date: Tue Mar 28 2023 - 07:35:47 EST


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@xxxxxxxxxxx/
> 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@xxxxxxxxxxx/
> 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@xxxxxxxxxxx/
> 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
>