From: Maxime Ripard <maxime.ripard@free-electrons.com>
To: Michal Suchanek <hramrach@gmail.com>
Cc: linux-sunxi@googlegroups.com, Rob Herring <robh+dt@kernel.org>,
Pawel Moll <pawel.moll@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Kumar Gala <galak@codeaurora.org>,
Russell King <linux@arm.linux.org.uk>,
Mark Brown <broonie@kernel.org>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org
Subject: Re: [PATCH 3/9] spi: sunxi: check that transfer speed is non-zero
Date: Thu, 20 Aug 2015 16:48:36 +0200 [thread overview]
Message-ID: <20150820144836.GV30520@lukather> (raw)
In-Reply-To: <3688fab67e7cdc7bcbff73dfd6b0fcdcc4e79eb6.1440080122.git.hramrach@gmail.com>
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On Thu, Aug 20, 2015 at 02:19:46PM -0000, Michal Suchanek wrote:
> When the maximum transfer speed is not set for a SPI slave the value
> remains 0 and the code in sunxi SPI divides by it. Use an arbitrary
> speed instead in that case.
>
> Signed-off-by: Michal Suchanek <hramrach@gmail.com>
spi->max_speed_hz is set using the spi-max-frequency property, and
spi->will error out if that property isn't set. What am I missing?
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:[~2015-08-20 14:48 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <cover.1440080122.git.hramrach@gmail.com>
[not found] ` <0e0b52774a48ddb71dc8095b66942451cd31ff7d.1440080122.git.hramrach@gmail.com>
2015-08-20 14:43 ` [PATCH 1/9] spi: sunxi: fix transfer timeout Maxime Ripard
2015-08-20 18:41 ` Mark Brown
2015-08-20 19:34 ` Maxime Ripard
2015-08-20 21:08 ` Mark Brown
2015-08-20 21:18 ` Maxime Ripard
2015-08-20 21:29 ` Mark Brown
[not found] ` <a40fbf7ca8bd36f08f5e9d3fb6f6de2454066af7.1440080122.git.hramrach@gmail.com>
2015-08-20 14:45 ` [PATCH 2/9] spi: sun4i: fix FIFO limit Maxime Ripard
[not found] ` <ccf776869b0d7fe2c78bcc41d6cd1896bf732296.1440080122.git.hramrach@gmail.com>
2015-08-20 14:24 ` [linux-sunxi] [PATCH 4/9] spi: sun4i: add DMA support Michal Suchanek
2015-08-20 14:56 ` Maxime Ripard
2015-08-20 18:58 ` Mark Brown
2016-05-17 5:44 ` [linux-sunxi] " Michal Suchanek
2015-08-20 19:00 ` Mark Brown
[not found] ` <a5a061d98b7ff851866cc668cd8bf8f6fc99d002.1440080122.git.hramrach@gmail.com>
2015-08-20 14:58 ` [PATCH 5/9] ARM: dts: sun7i: cubieboard2: Enable SPI0 Maxime Ripard
[not found] ` <90730047894f6ec84cd70062a27b7085c2016260.1440080122.git.hramrach@gmail.com>
2015-08-20 15:00 ` [PATCH 7/9] ARM: dts: sun5i: add SPI pins on A13 and A10s Maxime Ripard
[not found] ` <3688fab67e7cdc7bcbff73dfd6b0fcdcc4e79eb6.1440080122.git.hramrach@gmail.com>
2015-08-20 14:48 ` Maxime Ripard [this message]
2015-08-20 19:45 ` [PATCH 3/9] spi: sunxi: check that transfer speed is non-zero Michal Suchanek
2015-08-20 21:23 ` Maxime Ripard
2015-08-20 18:45 ` Mark Brown
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