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Groups > linux.kernel > #1210707
| From | Michal Suchanek <hramrach@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 3/9] spi: sunxi: check that transfer speed is non-zero |
| Date | 2015-08-20 21:50 +0200 |
| Message-ID | <pZE0y-6as-25@gated-at.bofh.it> (permalink) |
| References | <pZz0R-7wx-11@gated-at.bofh.it> <pZzkh-7Tp-89@gated-at.bofh.it> <pZzkh-7Tp-87@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 20 August 2015 at 16:48, Maxime Ripard <maxime.ripard@free-electrons.com> wrote: > 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? > Spidev I guess. You can set the speed to arbitrary value from userspace at any time using the spidev ioctls. Thanks Michal -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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Re: [PATCH 3/9] spi: sunxi: check that transfer speed is non-zero Maxime Ripard <maxime.ripard@free-electrons.com> - 2015-08-20 16:50 +0200
Re: [PATCH 3/9] spi: sunxi: check that transfer speed is non-zero Michal Suchanek <hramrach@gmail.com> - 2015-08-20 21:50 +0200
Re: [PATCH 3/9] spi: sunxi: check that transfer speed is non-zero Maxime Ripard <maxime.ripard@free-electrons.com> - 2015-08-20 23:30 +0200
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