From: Wolfram Sang <wsa@the-dreams.de>
To: Annaliese McDermond <nh6z@nh6z.net>
Cc: Stefan Wahren <stefan.wahren@i2se.com>,
Florian Fainelli <f.fainelli@gmail.com>,
swarren@wwwdotorg.org, NWDR Team <team@nwdigitalradio.com>,
Eric Anholt <eric@anholt.net>,
linux-rpi-kernel@lists.infradead.org,
linux-arm-kernel@lists.infradead.org, linux-i2c@vger.kernel.org
Subject: Re: [PATCH v2] i2c: bcm2835: Model Divider in CCF
Date: Mon, 27 May 2019 22:20:14 +0200 [thread overview]
Message-ID: <20190527202014.GA20304@kunai> (raw)
In-Reply-To: <E711B8C3-85B8-435C-97FD-E62BCB88B679@nh6z.net>
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On Mon, May 27, 2019 at 01:00:00PM -0700, Annaliese McDermond wrote:
>
> > On May 27, 2019, at 12:15 PM, Wolfram Sang <wsa@the-dreams.de> wrote:
> >
> > Regardless which solution is favoured, I am going to apply this patch in
> > a minute:
> >
> > http://patchwork.ozlabs.org/patch/1097688/
> >
> > It enables this driver for ARCH_BRCMSTB. So, the solution should work
> > for this as well. (I don't know any of these platforms well)
>
> I did some looking the other day, and I had forgotten that the RPi has 3
> of the i2c-bcm2835 devices each with their own divider that sits in their
> register space. This makes me think the correct solution would be for
> the divider to be controlled in the driver as was in my original patch.
> Otherwise we’d have to make three different dividers in the bcm2835-clk
> driver, and the i2c driver would no longer work for other platforms.
I am getting more and more convinced of the original patch even without
CCF acks. Others?
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next prev parent reply other threads:[~2019-05-27 20:20 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-08 7:12 [PATCH v2] i2c: bcm2835: Model Divider in CCF Annaliese McDermond
2019-05-08 7:12 ` Annaliese McDermond
2019-05-16 5:37 ` Annaliese McDermond
2019-05-16 7:58 ` Wolfram Sang
2019-05-17 1:55 ` Annaliese McDermond
2019-05-27 19:15 ` Wolfram Sang
2019-05-27 20:00 ` Annaliese McDermond
2019-05-27 20:20 ` Wolfram Sang [this message]
2019-05-28 22:25 ` Eric Anholt
2019-05-16 10:59 ` Stefan Wahren
2019-05-16 10:59 ` Stefan Wahren
2019-05-28 7:52 ` Stefan Wahren
2019-05-28 7:52 ` Stefan Wahren
2019-05-29 3:01 ` Annaliese McDermond
2019-05-29 4:32 ` Annaliese McDermond
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