From: mweseloh42@gmail.com (Marcus Weseloh)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3] spi: dts: sun4i: Add support for hardware-based wait time between words
Date: Mon, 14 Dec 2015 09:08:09 +0100 [thread overview]
Message-ID: <CAGNoLaMR48FP6LA6OCUiwBFpja_inx47f-7hzLC3+=6td6oeaQ@mail.gmail.com> (raw)
In-Reply-To: <CAGNoLaOckrgv5NP6eTOt8shj5f069DKFrxx+8afydqcAZH5HMw@mail.gmail.com>
2015-12-14 8:31 GMT+01:00 Marcus Weseloh <mweseloh42@gmail.com>:
> [...]
>>> + /* Setup wait time between words */
>>> + of_property_read_u32(spi->dev.of_node, "spi-word-wait-ns",
>>> + &wait_ns);
>>
>> Read this in probe and save the value rather than fetching every
>> transfer.
>
> But this is a slave property I'm using here. If I read and store it in
> probe in the spi-sun4i driver, I won't have access to the slave node
> property, will I?
Sorry, I think I get it now. I would need to read the value in SPI
core, when the slave device gets probed. I will send an updated patch.
Thanks,
Marcus
prev parent reply other threads:[~2015-12-14 8:08 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-11 22:45 [PATCH v2] spi: dts: sun4i: Add support for inter-word wait cycles using the SPI Wait Clock Register Marcus Weseloh
2015-12-12 9:19 ` [linux-sunxi] " Priit Laes
2015-12-12 10:44 ` Marcus Weseloh
2015-12-13 21:07 ` Maxime Ripard
2015-12-13 21:52 ` Marcus Weseloh
2015-12-13 23:04 ` [PATCH v3] spi: dts: sun4i: Add support for hardware-based wait time between words Marcus Weseloh
2015-12-13 23:08 ` Mark Brown
2015-12-13 23:23 ` Marcus Weseloh
2015-12-14 10:57 ` Mark Brown
2015-12-14 1:29 ` Rob Herring
2015-12-14 7:31 ` Marcus Weseloh
2015-12-14 8:08 ` Marcus Weseloh [this message]
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