linux-kernel - Re: [PATCH 4/5] spi: Check that Quad/Dual is half duplex

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Message-ID: <CAMuHMdUUL9RHRz3P-44PUj1APHAK5-uZ6YUN8TY9CGEm=VvMmg@mail.gmail.com>
Date:	Wed, 22 Jan 2014 15:27:19 +0100
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Mark Brown <broonie@...nel.org>
Cc:	linux-spi@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Geert Uytterhoeven <geert+renesas@...ux-m68k.org>
Subject: Re: [PATCH 4/5] spi: Check that Quad/Dual is half duplex

On Tue, Jan 21, 2014 at 4:10 PM, Geert Uytterhoeven
<geert@...ux-m68k.org> wrote:
> Quad and Dual SPI Transfers use all available data lines (incl. MOSI/MISO),
> hence they must be half duplex. Add a check that verify that.

Actually this is valid if SPI_LOOP is also set. Will send an update.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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