linux-kernel - Re: [PATCH 1/2] take 2: (was-kind-of: 3/5 SPI tx

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Date:	Sat, 27 Jan 2007 21:19:29 +0100
From:	Hans-Peter Nilsson <hans-peter.nilsson@...s.com>
To:	david-b@...bell.net
CC:	hans-peter.nilsson@...s.com, linux-kernel@...r.kernel.org,
	mikael.starvik@...s.com, spi-devel-general@...ts.sourceforge.net
Subject: Re: [PATCH 1/2] take 2: (was-kind-of: 3/5 SPI tx_default) 2.6.20-rc6

> From: David Brownell <david-b@...bell.net>
> Date: Fri, 26 Jan 2007 20:21:54 -0800

> In fact, how about this one instead?  It uses a bit in spi->mode
> since that's pretty easy to test.  And while it doesn't get rid
> of the multiple conditionals when the tx buffer is null, it does
> let the other values be constants (0, ~0) that compilers like.

I'm fine, except the typo.

> (I can update your patch #4, etc, to match.)

Or I could, and test it to boot. :)

> +#define MODEBITS	(SPI_CPHA | SPI_CPOL | SPI_CS_HIGH | SPI_TX_1)

Add SPI_LSB_FIRST (still supported by spi_bitbang, I presume :)

brgds, H-P
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