From: Linus Walleij <linus.walleij@linaro.org>
To: Sergey.Semin@baikalelectronics.ru
Cc: Serge Semin <fancer.lancer@gmail.com>,
Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>,
Maxim Kaurkin <Maxim.Kaurkin@baikalelectronics.ru>,
Pavel Parkhomenko <Pavel.Parkhomenko@baikalelectronics.ru>,
Ramil Zaripov <Ramil.Zaripov@baikalelectronics.ru>,
Ekaterina Skachko <Ekaterina.Skachko@baikalelectronics.ru>,
Vadim Vlasov <V.Vlasov@baikalelectronics.ru>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Paul Burton <paulburton@kernel.org>,
Ralf Baechle <ralf@linux-mips.org>,
Hoan Tran <hoan@os.amperecomputing.com>,
Bartosz Golaszewski <bgolaszewski@baylibre.com>,
Philipp Zabel <p.zabel@pengutronix.de>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
"open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 0/4] gpio: dwapb: Fix reference clocks usage
Date: Thu, 12 Mar 2020 14:58:33 +0100 [thread overview]
Message-ID: <CACRpkdbq9aTkf6-DctXKabyd2=Rr8GPii02_8jQP49SFuTo_SQ@mail.gmail.com> (raw)
In-Reply-To: <20200306132505.8D3B88030795@mail.baikalelectronics.ru>
On Fri, Mar 6, 2020 at 2:25 PM <Sergey.Semin@baikalelectronics.ru> wrote:
> From: Serge Semin <fancer.lancer@gmail.com>
>
> 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 <Sergey.Semin@baikalelectronics.ru>
> Signed-off-by: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
> Cc: Maxim Kaurkin <Maxim.Kaurkin@baikalelectronics.ru>
> Cc: Pavel Parkhomenko <Pavel.Parkhomenko@baikalelectronics.ru>
> Cc: Ramil Zaripov <Ramil.Zaripov@baikalelectronics.ru>
> Cc: Ekaterina Skachko <Ekaterina.Skachko@baikalelectronics.ru>
> Cc: Vadim Vlasov <V.Vlasov@baikalelectronics.ru>
> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
> Cc: Paul Burton <paulburton@kernel.org>
> Cc: Ralf Baechle <ralf@linux-mips.org>
> Cc: Hoan Tran <hoan@os.amperecomputing.com>
> Cc: Linus Walleij <linus.walleij@linaro.org>
> Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
> Cc: Philipp Zabel <p.zabel@pengutronix.de>
> Cc: Rob Herring <robh+dt@kernel.org>
> Cc: Mark Rutland <mark.rutland@arm.com>
> Cc: linux-gpio@vger.kernel.org
> Cc: devicetree@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org
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.
Thanks,
Linus Walleij
next prev parent reply other threads:[~2020-03-12 13:58 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-06 13:24 [PATCH 0/4] gpio: dwapb: Fix reference clocks usage Sergey.Semin
2020-03-12 13:58 ` Linus Walleij [this message]
2020-03-13 15:29 ` Sergey Semin
2020-03-23 18:06 ` [PATCH v2 0/6] " Sergey.Semin
2020-03-23 18:06 ` [PATCH v2 1/6] dt-bindings: gpio: Convert snps,dw-apb-gpio to DT schema Sergey.Semin
2020-03-23 18:06 ` [PATCH v2 2/6] dt-bindings: gpio: Add DW GPIO debounce clock property Sergey.Semin
2020-03-23 18:06 ` [PATCH v2 3/6] dt-bindings: gpio: Add Sergey Semin to DW APB GPIO driver maintainers Sergey.Semin
2020-03-23 18:06 ` [PATCH v2 4/6] gpio: dwapb: Use optional-clocks interface for APB ref-clock Sergey.Semin
2020-03-23 18:36 ` Andy Shevchenko
2020-03-23 18:06 ` [PATCH v2 5/6] gpio: dwapb: Add debounce reference clock support Sergey.Semin
2020-03-23 18:38 ` Andy Shevchenko
2020-03-23 19:25 ` Sergey Semin
2020-03-23 21:37 ` Andy Shevchenko
2020-03-23 18:06 ` [PATCH v2 6/6] MAINTAINERS: Add Segey Semin to maintainers of DW APB GPIO driver Sergey.Semin
2020-03-23 18:34 ` Andy Shevchenko
2020-03-23 19:18 ` Sergey Semin
2020-03-23 18:36 ` Joe Perches
2020-03-23 19:16 ` Sergey Semin
2020-03-23 18:41 ` Andy Shevchenko
2020-03-23 19:43 ` Sergey Semin
2020-03-23 19:53 ` [PATCH v3 0/6] gpio: dwapb: Fix reference clocks usage Sergey.Semin
2020-03-23 19:53 ` [PATCH v3 1/6] dt-bindings: gpio: Convert snps,dw-apb-gpio to DT schema Sergey.Semin
2020-03-31 19:24 ` Rob Herring
2020-03-23 19:53 ` [PATCH v3 2/6] dt-bindings: gpio: Add DW GPIO debounce clock property Sergey.Semin
2020-03-23 19:53 ` [PATCH v3 3/6] dt-bindings: gpio: Add Sergey Semin to DW APB GPIO driver maintainers Sergey.Semin
2020-03-31 19:25 ` Rob Herring
2020-03-23 19:53 ` [PATCH v3 4/6] gpio: dwapb: Use optional-clocks interface for APB ref-clock Sergey.Semin
2020-03-23 19:54 ` [PATCH v3 5/6] gpio: dwapb: Add debounce reference clock support Sergey.Semin
2020-03-23 19:54 ` [PATCH v3 6/6] MAINTAINERS: Add Segey Semin to maintainers of DW APB GPIO driver Sergey.Semin
2020-03-23 21:39 ` [PATCH v3 0/6] gpio: dwapb: Fix reference clocks usage Andy Shevchenko
2020-04-15 21:27 ` [PATCH 0/4] " Linus Walleij
2020-04-16 5:09 ` Sergey Semin
[not found] <20200306132448.13917-1-Sergey.Semin@baikalelectronics.ru>
2020-03-10 0:23 ` Sergey Semin
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