From: Tony Lindgren <tony@atomide.com>
To: Imre Deak <imre.deak@nokia.com>
Cc: omap-linux <linux-omap-open-source@linux.omap.com>
Subject: Re: [PATCH] SPI: add per transfer wordsize and speed parameter
Date: Fri, 12 May 2006 04:57:42 -0700 [thread overview]
Message-ID: <20060512115741.GI18115@atomide.com> (raw)
In-Reply-To: <1147433591.9837.14.camel@mammoth.research.nokia.com>
* Imre Deak <imre.deak@nokia.com> [060512 04:35]:
> [ This is at the moment only in Greg's queue, but would be nice to
> pre-merge it ]
>
> Some protocols (like one for some bitmap displays) require different clock
> speed or word size settings for each transfer in an SPI message. This adds
> those parameters to struct spi_transfer. They are to be used when they are
> nonzero; otherwise the defaults from spi_device are to be used.
>
> The patch also adds a setup_transfer callback to spi_bitbang, uses it for
> messages that use those overrides, and implements it so that the pure
> bitbanging code can help resolve any questions about how it should work.
Pushing today.
Tony
prev parent reply other threads:[~2006-05-12 11:57 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-12 11:33 [PATCH] SPI: add per transfer wordsize and speed parameter Imre Deak
2006-05-12 11:57 ` Tony Lindgren [this message]
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