From: tomasz.figa@gmail.com (Tomasz Figa)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH V4 1/4] ARM: dts: exynos5420: add i2s controllers
Date: Mon, 12 Aug 2013 19:02:20 +0200 [thread overview]
Message-ID: <1427610.pB8BGbMKTL@flatron> (raw)
In-Reply-To: <20130812131235.GX6427@sirena.org.uk>
On Monday 12 of August 2013 14:12:36 Mark Brown wrote:
> On Mon, Aug 12, 2013 at 01:41:23PM +0200, Tomasz Figa wrote:
> > On Monday 12 of August 2013 12:34:48 Mark Brown wrote:
> > > I'd expect that to interact badly with the pinmuxing - unless the
> > > device is disabled it'll try to grab its pins on probe which is not
> > > going to be a good idea unless it is actually wired up for use in
> > > the system. Or is there some other mechanism for handling that?
> >
> > Ah, good point. Now I wonder whether pinctrl nodes shouldn't be
> > considered board-specific and specified in board-level dts instead?
>
> It seems a bit cleaner to use the current mechanism in that it stops the
> device appearing at all and hence repeated efforts to probe, plus a
> simple enable is less error prone, the way these SoCs are designed you
> don't have to pick which pinmux is in use for most of the IPs. Where
> there are multiple options it does seem like a good approach though.
>
> Tastes may differ though.
Right, if this SoC has only one pinmux setting for this IP, then it's
fine.
Padmavathi, this was the only issue I spotted, so have my:
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Best regards,
Tomasz
next prev parent reply other threads:[~2013-08-12 17:02 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-12 10:07 [PATCH V4 0/4] Add i2s nodes on Exynos5420 and enable sound support on sdmk5420 Padmavathi Venna
2013-08-12 10:07 ` [PATCH V4 1/4] ARM: dts: exynos5420: add i2s controllers Padmavathi Venna
2013-08-12 11:14 ` Tomasz Figa
2013-08-12 11:34 ` Mark Brown
2013-08-12 11:41 ` Tomasz Figa
2013-08-12 13:12 ` Mark Brown
2013-08-12 17:02 ` Tomasz Figa [this message]
2013-08-14 5:51 ` Padma Venkat
2013-08-14 8:19 ` Tomasz Figa
2013-08-12 10:07 ` [PATCH V4 2/4] ARM: dts: Add i2c bus 1 and it's audio codec child node on smdk5420 Padmavathi Venna
2013-08-12 10:07 ` [PATCH V4 3/4] ARM: dts: Add osc clock " Padmavathi Venna
2013-08-12 10:07 ` [PATCH V4 4/4] ARM: dts: Enable sound support " Padmavathi Venna
2013-08-12 11:17 ` Tomasz Figa
2013-08-12 11:18 ` [PATCH V4 0/4] Add i2s nodes on Exynos5420 and enable sound support on sdmk5420 Tomasz Figa
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