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SubjectRe: [PATCH 0/4] gpio: dwapb: Fix reference clocks usage
On Fri, Mar 6, 2020 at 2:25 PM <> wrote:

> From: Serge Semin <>
> There is no need in any fixes to have the Baikal-T1 SoC DW GPIO controllers
> supported by the kernel DW APB GPIO driver. It works for them just fine with
> no modifications. But still there is a room for optimizations there.
> First of all as it tends to be traditional for all Baikal-T1 SoC related
> patchset we replaced the legacy plain text-based dt-binding file with
> yaml-based one. Baikal-T1 DW GPIO port A supports a debounce functionality,
> but in order to use it the corresponding reference clock must be enabled.
> We added support of that clock in the driver and made sure the dt-bindings
> had its declaration. In addition seeing both APB and debounce reference
> clocks are optional, we replaced the standard devm_clk_get() usage with
> the function of optional clocks acquisition.
> This patchset is rebased and tested on the mainline Linux kernel 5.6-rc4:
> commit 98d54f81e36b ("Linux 5.6-rc4").
> Signed-off-by: Serge Semin <>
> Signed-off-by: Alexey Malahov <>
> Cc: Maxim Kaurkin <>
> Cc: Pavel Parkhomenko <>
> Cc: Ramil Zaripov <>
> Cc: Ekaterina Skachko <>
> Cc: Vadim Vlasov <>
> Cc: Thomas Bogendoerfer <>
> Cc: Paul Burton <>
> Cc: Ralf Baechle <>
> Cc: Hoan Tran <>
> Cc: Linus Walleij <>
> Cc: Bartosz Golaszewski <>
> Cc: Philipp Zabel <>
> Cc: Rob Herring <>
> Cc: Mark Rutland <>
> Cc:
> Cc:
> Cc:

I like these patches, once Rob is happy with the bindings I'll be
happy to merge them. I haven't heard from Hoan Tran in a while,
so if we don't hear from him this time either I would suggest you
also add yourself as maintainer for this driver, if you don't mind.

Linus Walleij

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