From: Maxime Ripard <maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
To: Michal Suchanek <hramrach-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org,
Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>,
linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH 3/5] spi: sunxi: expose maximum transfer size limit
Date: Mon, 30 May 2016 10:37:45 +0200 [thread overview]
Message-ID: <20160530083745.GG4247@lukather> (raw)
In-Reply-To: <5fffb7eca6f4b70853d92be2403595d6d06bede7.1464130597.git.hramrach-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
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On Thu, May 26, 2016 at 07:25:24PM -0000, Michal Suchanek wrote:
> The sun4i spi hardware can trasfer at most 63 bytes of data without DMA
> support so report the limitation. Same on sun6i.
Is it? Is there timeouts on the A31 and later SoCs?
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 3/5] spi: sunxi: expose maximum transfer size limit
Date: Mon, 30 May 2016 10:37:45 +0200 [thread overview]
Message-ID: <20160530083745.GG4247@lukather> (raw)
In-Reply-To: <5fffb7eca6f4b70853d92be2403595d6d06bede7.1464130597.git.hramrach@gmail.com>
On Thu, May 26, 2016 at 07:25:24PM -0000, Michal Suchanek wrote:
> The sun4i spi hardware can trasfer at most 63 bytes of data without DMA
> support so report the limitation. Same on sun6i.
Is it? Is there timeouts on the A31 and later SoCs?
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: Michal Suchanek <hramrach@gmail.com>
Cc: linux-sunxi@googlegroups.com, Mark Brown <broonie@kernel.org>,
Chen-Yu Tsai <wens@csie.org>,
linux-spi@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/5] spi: sunxi: expose maximum transfer size limit
Date: Mon, 30 May 2016 10:37:45 +0200 [thread overview]
Message-ID: <20160530083745.GG4247@lukather> (raw)
In-Reply-To: <5fffb7eca6f4b70853d92be2403595d6d06bede7.1464130597.git.hramrach@gmail.com>
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On Thu, May 26, 2016 at 07:25:24PM -0000, Michal Suchanek wrote:
> The sun4i spi hardware can trasfer at most 63 bytes of data without DMA
> support so report the limitation. Same on sun6i.
Is it? Is there timeouts on the A31 and later SoCs?
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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next prev parent reply other threads:[~2016-05-30 8:37 UTC|newest]
Thread overview: 95+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-24 22:56 [PATCH 0/5] sunxi spi fixes Michal Suchanek
2016-05-24 22:56 ` Michal Suchanek
[not found] ` <cover.1464130597.git.hramrach-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2016-05-26 19:25 ` [PATCH 1/5] spi: sunxi: fix transfer timeout Michal Suchanek
2016-05-26 19:25 ` Michal Suchanek
[not found] ` <cb90b922caa6ac07c1425d726ea19709ee5284f4.1464130597.git.hramrach-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2016-05-27 2:05 ` [linux-sunxi] " Julian Calaby
2016-05-27 2:05 ` Julian Calaby
2016-05-27 2:05 ` Julian Calaby
[not found] ` <CAGRGNgWDrVHG26umTSHHAxFC3KXjwmpDejBAfKqvuik0_2-Jcw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-05-27 5:05 ` Michal Suchanek
2016-05-27 5:05 ` [linux-sunxi] " Michal Suchanek
2016-05-27 5:05 ` Michal Suchanek
[not found] ` <CAOMqctS0AD6rHGt3wjxxyidee=_5xqby95t5TGuozAA12DdPjQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-05-27 5:10 ` Julian Calaby
2016-05-27 5:10 ` [linux-sunxi] " Julian Calaby
2016-05-27 5:10 ` Julian Calaby
[not found] ` <CAGRGNgW=UnmwwiREV+nVcws6sk18-4fKz3qf-WKf4LY9-VqBKg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-05-30 11:23 ` Mark Brown
2016-05-30 11:23 ` Mark Brown
2016-05-30 11:23 ` Mark Brown
[not found] ` <20160530112350.GI29837-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2016-05-31 11:52 ` Michal Suchanek
2016-05-31 11:52 ` [linux-sunxi] " Michal Suchanek
2016-05-31 11:52 ` Michal Suchanek
2016-06-01 18:20 ` Maxime Ripard
2016-06-01 18:20 ` Maxime Ripard
2016-06-01 18:20 ` Maxime Ripard
2016-05-30 9:44 ` Maxime Ripard
2016-05-30 9:44 ` Maxime Ripard
2016-05-30 9:44 ` Maxime Ripard
2016-05-26 19:25 ` [PATCH 3/5] spi: sunxi: expose maximum transfer size limit Michal Suchanek
2016-05-26 19:25 ` Michal Suchanek
[not found] ` <5fffb7eca6f4b70853d92be2403595d6d06bede7.1464130597.git.hramrach-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2016-05-30 8:37 ` Maxime Ripard [this message]
2016-05-30 8:37 ` Maxime Ripard
2016-05-30 8:37 ` Maxime Ripard
2016-05-30 8:57 ` Michal Suchanek
2016-05-30 8:57 ` Michal Suchanek
2016-05-30 8:57 ` Michal Suchanek
[not found] ` <CAOMqctQdbipvvTnF253S4jGDos1crYXk9nuzDcRvy4geeS=GrQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-06-01 18:14 ` Maxime Ripard
2016-06-01 18:14 ` Maxime Ripard
2016-06-01 18:14 ` Maxime Ripard
2016-05-26 19:25 ` [PATCH 2/5] spi: sun4i: fix FIFO limit Michal Suchanek
2016-05-26 19:25 ` Michal Suchanek
[not found] ` <e315008b5e9dc3f1490507508fd2f6e94767dfbb.1464130597.git.hramrach-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2016-05-30 8:37 ` Maxime Ripard
2016-05-30 8:37 ` Maxime Ripard
2016-05-30 8:37 ` Maxime Ripard
2016-05-26 19:25 ` [PATCH 4/5] spi: sunxi: set maximum and minimum speed of SPI master Michal Suchanek
2016-05-26 19:25 ` Michal Suchanek
2016-05-30 9:17 ` Maxime Ripard
2016-05-30 9:17 ` Maxime Ripard
2016-05-26 19:25 ` [PATCH 5/5] RFC spi: sun4i: add DMA support Michal Suchanek
2016-05-26 19:25 ` Michal Suchanek
[not found] ` <ba0d6eb37cc4b0d2c46acbf9fcd7d644b3545ce8.1464130597.git.hramrach-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2016-05-30 11:26 ` Mark Brown
2016-05-30 11:26 ` Mark Brown
2016-05-30 11:26 ` Mark Brown
[not found] ` <20160530112610.GJ29837-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2016-05-30 12:11 ` Geert Uytterhoeven
2016-05-30 12:11 ` Geert Uytterhoeven
2016-05-30 12:11 ` Geert Uytterhoeven
[not found] ` <CAMuHMdVThvtqgFnyqoqypwwf1d81uu9NBo6-heTZBcvBxRevNw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-05-30 15:03 ` Mark Brown
2016-05-30 15:03 ` Mark Brown
2016-05-30 15:03 ` Mark Brown
[not found] ` <20160530150343.GL29837-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2016-05-30 15:28 ` Michal Suchanek
2016-05-30 15:28 ` Michal Suchanek
2016-05-30 15:28 ` Michal Suchanek
[not found] ` <CAOMqctQb-YYprA7H5qCcYo2hxXiUhjW2z3JbZ3-FhbfcjFzBpw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-05-30 15:50 ` Mark Brown
2016-05-30 15:50 ` Mark Brown
2016-05-30 15:50 ` Mark Brown
[not found] ` <20160530155016.GO29837-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2016-05-31 10:44 ` Michal Suchanek
2016-05-31 10:44 ` Michal Suchanek
2016-05-31 10:44 ` Michal Suchanek
[not found] ` <CAOMqctQijjO2amwSmSMGp96KBRGrLb0fvXRwnybOEqvV3-HZ0g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-05-31 13:27 ` Mark Brown
2016-05-31 13:27 ` Mark Brown
2016-05-31 13:27 ` Mark Brown
[not found] ` <20160531132706.GC29837-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2016-05-31 14:19 ` Michal Suchanek
2016-05-31 14:19 ` Michal Suchanek
2016-05-31 14:19 ` Michal Suchanek
[not found] ` <CAOMqctSWnbUaOveMUhz+yOJqTOK4EhDd5jUqKoHCohfndNAjWA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-06-02 8:18 ` Maxime Ripard
2016-06-02 8:18 ` Maxime Ripard
2016-06-02 8:18 ` Maxime Ripard
2016-06-01 18:00 ` Maxime Ripard
2016-06-01 18:00 ` Maxime Ripard
2016-06-01 18:00 ` Maxime Ripard
2016-06-02 4:42 ` Priit Laes
2016-06-02 4:42 ` [linux-sunxi] " Priit Laes
2016-06-02 4:42 ` Priit Laes
[not found] ` <1464842546.23881.3.camel-q/aMd4JkU83YtjvyW6yDsg@public.gmane.org>
2016-06-02 9:18 ` Mark Brown
2016-06-02 9:18 ` [linux-sunxi] " Mark Brown
2016-06-02 9:18 ` Mark Brown
2016-06-02 12:14 ` Michal Suchanek
2016-06-02 12:14 ` Michal Suchanek
2016-06-02 12:14 ` Michal Suchanek
[not found] ` <CAOMqctRMi8Zuwqvakka8LkgvecWVAfzUcER9+ui9WBYS78fWtQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-06-02 14:26 ` Mark Brown
2016-06-02 14:26 ` [linux-sunxi] " Mark Brown
2016-06-02 14:26 ` Mark Brown
[not found] ` <20160602142649.GJ2282-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2016-06-05 11:27 ` Michal Suchanek
2016-06-05 11:27 ` [linux-sunxi] " Michal Suchanek
2016-06-05 11:27 ` Michal Suchanek
[not found] ` <CAOMqctQwFif=yFF1snfZJc7+sGS7wcC-6oNTCfjW_MSUWHw+xQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-06-06 11:36 ` Mark Brown
2016-06-06 11:36 ` [linux-sunxi] " Mark Brown
2016-06-06 11:36 ` Mark Brown
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