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From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Wolfram Sang <wsa@the-dreams.de>
Cc: Ulrich Hecht <uli+renesas@fpond.eu>,
	Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
	Linux I2C <linux-i2c@vger.kernel.org>
Subject: Re: [PATCH] i2c: sh_mobile: implement atomic transfers
Date: Mon, 15 Jun 2020 14:58:59 +0200	[thread overview]
Message-ID: <CAMuHMdWbZ8Bs84naNtoPk6N3itXABwwE2KGVG3k4dbw_5+Qm7A@mail.gmail.com> (raw)
In-Reply-To: <20200615124834.GB4423@kunai>

Hi Wolfram,

On Mon, Jun 15, 2020 at 2:48 PM Wolfram Sang <wsa@the-dreams.de> wrote:
> > Uli: can you check if atomic transfers work with the touchscreen or
> > codec on Armadillo-800-EVA?
>
> Atmoic transfers are used for very late communication (e.g. PMIC).
> Touchscreens and codecs should be already down, then.

So how to test atomic transfers are working if the I2C controller is part of
a real power domain? Add a fake PMIC?

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

  reply	other threads:[~2020-06-15 12:59 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-10 19:33 [PATCH] i2c: sh_mobile: implement atomic transfers Ulrich Hecht
2020-06-14  9:31 ` Wolfram Sang
2020-06-15 10:01   ` Geert Uytterhoeven
2020-06-15 12:48     ` Wolfram Sang
2020-06-15 12:58       ` Geert Uytterhoeven [this message]
2020-06-15 13:12         ` Wolfram Sang
2020-06-18  9:53   ` Ulrich Hecht
2020-06-15  9:41 ` Geert Uytterhoeven
2020-06-15 12:50   ` Wolfram Sang
2020-06-15 12:57     ` Geert Uytterhoeven
2020-06-15 13:08       ` Wolfram Sang

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