From: Tomi Valkeinen <tomi.valkeinen@ti.com>
To: Tony Lindgren <tony@atomide.com>
Cc: linux-omap@vger.kernel.org, Felipe Balbi <balbi@ti.com>,
Luciano Coelho <coelho@ti.com>, Roger Quadros <rogerq@ti.com>,
linux-arm-kernel@lists.infradead.org,
Santosh Shilimkar <santosh.shilimkar@ti.com>,
Kishon Vijay Abraham I <kishon@ti.com>,
Ravi Babu <ravibabu@ti.com>,
Ruslan Bilovol <ruslan.bilovol@ti.com>
Subject: Re: Multiple issues with omap4 panda es in linux next
Date: Mon, 22 Apr 2013 12:08:38 +0300 [thread overview]
Message-ID: <5174FE16.6080307@ti.com> (raw)
In-Reply-To: <20130419171318.GK10155@atomide.com>
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On 2013-04-19 20:13, Tony Lindgren wrote:
> 3. DSS fails with DT booting
>
> Works with legacy booting but fails with DT. I'm almost certain
> the DT booting was working last week or so?
>
> This is what I now get with DT booting:
>
> omapdss DSI error: can't get VDDS_DSI regulator
> omapdss HDMI error: can't get VDDA_HDMI_DAC regulator
> omapdss HDMI error: device hdmi init failed: -517
> omapdss CORE error: driver probe failed: -22
> ...
I think this is the issue Christoph Fritz reported earlier, DSS is being
initialized before TWL, and thus DSS doesn't find the regulators.
The proper fix is of course to make DSS support EPROBE_DEFER, but that's
easier said than done. I'll have a look if I can get it working enough
to fix this issue.
Tomi
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From: tomi.valkeinen@ti.com (Tomi Valkeinen)
To: linux-arm-kernel@lists.infradead.org
Subject: Multiple issues with omap4 panda es in linux next
Date: Mon, 22 Apr 2013 12:08:38 +0300 [thread overview]
Message-ID: <5174FE16.6080307@ti.com> (raw)
In-Reply-To: <20130419171318.GK10155@atomide.com>
On 2013-04-19 20:13, Tony Lindgren wrote:
> 3. DSS fails with DT booting
>
> Works with legacy booting but fails with DT. I'm almost certain
> the DT booting was working last week or so?
>
> This is what I now get with DT booting:
>
> omapdss DSI error: can't get VDDS_DSI regulator
> omapdss HDMI error: can't get VDDA_HDMI_DAC regulator
> omapdss HDMI error: device hdmi init failed: -517
> omapdss CORE error: driver probe failed: -22
> ...
I think this is the issue Christoph Fritz reported earlier, DSS is being
initialized before TWL, and thus DSS doesn't find the regulators.
The proper fix is of course to make DSS support EPROBE_DEFER, but that's
easier said than done. I'll have a look if I can get it working enough
to fix this issue.
Tomi
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next prev parent reply other threads:[~2013-04-22 9:08 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-19 17:13 Multiple issues with omap4 panda es in linux next Tony Lindgren
2013-04-19 17:13 ` Tony Lindgren
2013-04-19 17:41 ` Santosh Shilimkar
2013-04-19 17:41 ` Santosh Shilimkar
2013-04-19 17:44 ` Tony Lindgren
2013-04-19 17:44 ` Tony Lindgren
2013-04-19 17:53 ` Santosh Shilimkar
2013-04-19 17:53 ` Santosh Shilimkar
2013-04-19 18:18 ` Tony Lindgren
2013-04-19 18:18 ` Tony Lindgren
2013-04-25 13:58 ` Kevin Hilman
2013-04-25 13:58 ` Kevin Hilman
2013-04-26 8:40 ` Santosh Shilimkar
2013-04-26 8:40 ` Santosh Shilimkar
2013-04-22 7:49 ` Felipe Balbi
2013-04-22 7:49 ` Felipe Balbi
2013-04-22 8:41 ` Kishon Vijay Abraham I
2013-04-22 8:41 ` Kishon Vijay Abraham I
2013-04-22 18:03 ` Tony Lindgren
2013-04-22 18:03 ` Tony Lindgren
2013-04-23 15:10 ` Kishon Vijay Abraham I
2013-04-23 15:10 ` Kishon Vijay Abraham I
2013-04-23 17:23 ` Tony Lindgren
2013-04-23 17:23 ` Tony Lindgren
2013-04-23 21:31 ` Tony Lindgren
2013-04-23 21:31 ` Tony Lindgren
2013-04-23 23:16 ` Tony Lindgren
2013-04-23 23:16 ` Tony Lindgren
2013-04-24 5:41 ` Kishon Vijay Abraham I
2013-04-24 5:41 ` Kishon Vijay Abraham I
2013-04-24 19:08 ` Tony Lindgren
2013-04-24 19:08 ` Tony Lindgren
2013-04-24 19:23 ` Tony Lindgren
2013-04-24 19:23 ` Tony Lindgren
2013-04-25 9:04 ` Felipe Balbi
2013-04-25 9:04 ` Felipe Balbi
2013-04-25 15:01 ` Tony Lindgren
2013-04-25 15:01 ` Tony Lindgren
2013-04-25 15:13 ` Felipe Balbi
2013-04-25 15:13 ` Felipe Balbi
2013-04-22 9:08 ` Tomi Valkeinen [this message]
2013-04-22 9:08 ` Tomi Valkeinen
2013-04-22 10:24 ` Tomi Valkeinen
2013-04-22 10:24 ` Tomi Valkeinen
2013-04-22 12:21 ` Grygorii Strashko
2013-04-22 12:21 ` Grygorii Strashko
2013-04-22 18:08 ` Tony Lindgren
2013-04-22 18:08 ` Tony Lindgren
2013-04-23 13:53 ` Grygorii Strashko
2013-04-23 13:53 ` Grygorii Strashko
2013-04-23 17:31 ` Tony Lindgren
2013-04-23 17:31 ` Tony Lindgren
2013-04-24 19:44 ` Tony Lindgren
2013-04-24 19:44 ` Tony Lindgren
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