From: Maxime Ripard <maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
To: Marcus Weseloh <mweseloh42-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org,
Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Ian Campbell
<ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org>,
Kumar Gala <galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
Pawel Moll <pawel.moll-5wv7dgnIgG8@public.gmane.org>,
Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Subject: Re: [PATCH v6 3/3] spi: sun4i: Add support for wait time between word transmissions
Date: Sun, 27 Dec 2015 22:12:57 +0100 [thread overview]
Message-ID: <20151227211257.GM30359@lukather> (raw)
In-Reply-To: <1451145186-14235-4-git-send-email-mweseloh42-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
[-- Attachment #1: Type: text/plain, Size: 606 bytes --]
On Sat, Dec 26, 2015 at 04:53:06PM +0100, Marcus Weseloh wrote:
> Modifies the sun4i SPI master driver to make use of the
> "spi-word-wait-ns" property. This specific SPI controller needs 3 clock
> cycles to set up the delay, which makes the minimum non-zero wait time
> on this hardware 4 clock cycles.
>
> Signed-off-by: Marcus Weseloh <mweseloh42-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Acked-by: Maxime Ripard <maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
Thanks!
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
WARNING: multiple messages have this Message-ID (diff)
From: maxime.ripard@free-electrons.com (Maxime Ripard)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v6 3/3] spi: sun4i: Add support for wait time between word transmissions
Date: Sun, 27 Dec 2015 22:12:57 +0100 [thread overview]
Message-ID: <20151227211257.GM30359@lukather> (raw)
In-Reply-To: <1451145186-14235-4-git-send-email-mweseloh42@gmail.com>
On Sat, Dec 26, 2015 at 04:53:06PM +0100, Marcus Weseloh wrote:
> Modifies the sun4i SPI master driver to make use of the
> "spi-word-wait-ns" property. This specific SPI controller needs 3 clock
> cycles to set up the delay, which makes the minimum non-zero wait time
> on this hardware 4 clock cycles.
>
> Signed-off-by: Marcus Weseloh <mweseloh42@gmail.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Thanks!
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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From: Maxime Ripard <maxime.ripard@free-electrons.com>
To: Marcus Weseloh <mweseloh42@gmail.com>
Cc: linux-sunxi@googlegroups.com, Chen-Yu Tsai <wens@csie.org>,
devicetree@vger.kernel.org,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Kumar Gala <galak@codeaurora.org>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org,
Mark Brown <broonie@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Pawel Moll <pawel.moll@arm.com>, Rob Herring <robh+dt@kernel.org>
Subject: Re: [PATCH v6 3/3] spi: sun4i: Add support for wait time between word transmissions
Date: Sun, 27 Dec 2015 22:12:57 +0100 [thread overview]
Message-ID: <20151227211257.GM30359@lukather> (raw)
In-Reply-To: <1451145186-14235-4-git-send-email-mweseloh42@gmail.com>
[-- Attachment #1: Type: text/plain, Size: 563 bytes --]
On Sat, Dec 26, 2015 at 04:53:06PM +0100, Marcus Weseloh wrote:
> Modifies the sun4i SPI master driver to make use of the
> "spi-word-wait-ns" property. This specific SPI controller needs 3 clock
> cycles to set up the delay, which makes the minimum non-zero wait time
> on this hardware 4 clock cycles.
>
> Signed-off-by: Marcus Weseloh <mweseloh42@gmail.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Thanks!
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
[-- Attachment #2: Digital signature --]
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next prev parent reply other threads:[~2015-12-27 21:12 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-26 15:53 [PATCH v6 0/3] spi: dts: sun4i: Add support for wait time between word transmissions Marcus Weseloh
2015-12-26 15:53 ` Marcus Weseloh
2015-12-26 15:53 ` Marcus Weseloh
[not found] ` <1451145186-14235-1-git-send-email-mweseloh42-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-12-26 15:53 ` [PATCH v6 1/3] spi: dts: Add new device property to specifcy a " Marcus Weseloh
2015-12-26 15:53 ` Marcus Weseloh
2015-12-26 15:53 ` Marcus Weseloh
2015-12-26 15:53 ` [PATCH v6 2/3] spi: sun4i: Fix clock calculations to be predictable and never exceed the requested rate Marcus Weseloh
2015-12-26 15:53 ` Marcus Weseloh
2015-12-26 15:53 ` Marcus Weseloh
[not found] ` <1451145186-14235-3-git-send-email-mweseloh42-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-12-27 21:09 ` Maxime Ripard
2015-12-27 21:09 ` Maxime Ripard
2015-12-27 21:09 ` Maxime Ripard
2015-12-27 23:29 ` Marcus Weseloh
2015-12-27 23:29 ` Marcus Weseloh
2015-12-27 23:29 ` Marcus Weseloh
[not found] ` <CAGNoLaPcBAqDqFuff7sWWADjVH3Z-LWhZatSmzvEm4mLSrSNvw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-12-28 16:22 ` Marcus Weseloh
2015-12-28 16:22 ` Marcus Weseloh
2015-12-28 16:22 ` Marcus Weseloh
[not found] ` <CAGNoLaMsdPe4BE7+skYR45doEcXkZGA7QdFOidUA_yPZmiE9eg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-01-10 19:44 ` Maxime Ripard
2016-01-10 19:44 ` Maxime Ripard
2016-01-10 19:44 ` Maxime Ripard
2016-01-10 21:37 ` Marcus Weseloh
2016-01-10 21:37 ` Marcus Weseloh
2016-01-10 21:37 ` Marcus Weseloh
2016-01-10 18:14 ` Maxime Ripard
2016-01-10 18:14 ` Maxime Ripard
2016-01-10 18:14 ` Maxime Ripard
2016-01-10 21:11 ` Marcus Weseloh
2016-01-10 21:11 ` Marcus Weseloh
2016-01-10 21:11 ` Marcus Weseloh
[not found] ` <CAGNoLaNi72=T6SzGK-Y-b1X6jNx6M-c2oMSQ85sREp9REs5SKQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-01-17 18:51 ` Maxime Ripard
2016-01-17 18:51 ` Maxime Ripard
2016-01-17 18:51 ` Maxime Ripard
2016-01-18 9:40 ` Marcus Weseloh
2016-01-18 9:40 ` Marcus Weseloh
2016-01-18 9:40 ` Marcus Weseloh
[not found] ` <CAGNoLaNa4=AwYVrgHMfLSSg_FyMWGVy-gazH6nM4vVN26ZcwgA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-01-26 21:25 ` Maxime Ripard
2016-01-26 21:25 ` Maxime Ripard
2016-01-26 21:25 ` Maxime Ripard
2015-12-26 15:53 ` [PATCH v6 3/3] spi: sun4i: Add support for wait time between word transmissions Marcus Weseloh
2015-12-26 15:53 ` Marcus Weseloh
2015-12-26 15:53 ` Marcus Weseloh
[not found] ` <1451145186-14235-4-git-send-email-mweseloh42-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-12-27 21:12 ` Maxime Ripard [this message]
2015-12-27 21:12 ` Maxime Ripard
2015-12-27 21:12 ` Maxime Ripard
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