From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Lubomir Rintel <lkundrak@v3.sk>
Cc: Mark Brown <broonie@kernel.org>,
Geert Uytterhoeven <geert+renesas@glider.be>,
quozl@laptop.org, Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Eric Miao <eric.y.miao@gmail.com>,
Haojian Zhuang <haojian.zhuang@gmail.com>,
Daniel Mack <daniel@zonque.org>,
Robert Jarzmik <robert.jarzmik@free.fr>,
linux-spi <linux-spi@vger.kernel.org>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v3 4/6] spi: pxa2xx: dt-bindings: Add ready GPIO signal
Date: Tue, 13 Nov 2018 11:29:25 +0100 [thread overview]
Message-ID: <CAMuHMdU2hJ_htC19jpno_khGombxn-KK+kdQjVMOuJrZWVXV5A@mail.gmail.com> (raw)
In-Reply-To: <20181113102228.820214-5-lkundrak@v3.sk>
On Tue, Nov 13, 2018 at 11:23 AM Lubomir Rintel <lkundrak@v3.sk> wrote:
> This this is used to let the SPI master know that our FIFO is filled and
> we're ready to service a transfer. Only useful in slave mode.
>
> A signal like this is used by an embedded controller on a OLPC XO 1.75
> machine, that happens to be a SPI master.
>
> Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
> Acked-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-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
next prev parent reply other threads:[~2018-11-13 10:29 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-13 10:22 [PATCH v3 0/6] spi: pxa2xx: add slave mode support Lubomir Rintel
2018-11-13 10:22 ` [PATCH v3 1/6] spi: pxa2xx: dt-bindings: Add spi-slave property Lubomir Rintel
2018-11-13 10:28 ` Geert Uytterhoeven
2018-11-13 10:22 ` [PATCH v3 2/6] spi: Deal with slaves that return from transfer_one() unfinished Lubomir Rintel
2018-11-13 10:33 ` Geert Uytterhoeven
2018-11-13 18:35 ` Applied "spi: Deal with slaves that return from transfer_one() unfinished" to the spi tree Mark Brown
2018-11-13 10:22 ` [PATCH v3 3/6] spi: pxa2xx: Add slave mode support Lubomir Rintel
2018-11-13 10:22 ` [PATCH v3 4/6] spi: pxa2xx: dt-bindings: Add ready GPIO signal Lubomir Rintel
2018-11-13 10:29 ` Geert Uytterhoeven [this message]
2018-11-13 18:34 ` Applied "spi: pxa2xx: dt-bindings: Add ready GPIO signal" to the spi tree Mark Brown
2018-11-13 10:22 ` [PATCH v3 5/6] spi: pxa2xx: Add ready signal Lubomir Rintel
2018-11-13 10:31 ` Geert Uytterhoeven
2018-11-13 18:34 ` Applied "spi: pxa2xx: Add ready signal" to the spi tree Mark Brown
2018-11-13 10:22 ` [PATCH v3 6/6] spi: pxa2xx: Deal with the leftover garbage in TXFIFO Lubomir Rintel
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