From: Peter Ujfalusi <peter.ujfalusi-l0cyMroinI0@public.gmane.org>
To: Roger Quadros <rogerq-l0cyMroinI0@public.gmane.org>
Cc: devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org,
linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
balbi-l0cyMroinI0@public.gmane.org,
Marc Kleine-Budde <mkl-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>,
linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH 1/8] usb: phy: nop: Add some parameters to platform data
Date: Wed, 13 Mar 2013 16:17:52 +0100 [thread overview]
Message-ID: <514098A0.1030809@ti.com> (raw)
In-Reply-To: <513F47B4.2060004-l0cyMroinI0@public.gmane.org>
On 03/12/2013 04:20 PM, Roger Quadros wrote:
> Adding Peter to the loop. I faintly remember him mentioning this issue before
> for beagle. We really need the deferred probe mechanism or we need to resort
> to device registering order.
Yes, BeagleBoard is a good example. Long story short: we have external
dependency and the correct way to handle that is via deferred probe.
As of now we are not ready to kill the legacy support but over time we should
move as much as we can to DT only mode.
> The first user for needs_vcc flag will be the beagleboard file. I just didn't
> implement it in this patch [1].
>
> On second thoughts, since [1] does work on beagleboard without requiring the
> needs_vcc flag, I think we can just live without it.
The BeagleBoard works because the bootloader happen to enable the PWM
generator which is used as a GPIO for the external HUB enable port. As soon as
the bootloader stops doing this we are going to be in trouble.
>
> Felipe, Peter, what do you think?
>
> cheers,
> -roger
>
> [1] https://lkml.org/lkml/2013/3/12/244
>
--
Péter
next prev parent reply other threads:[~2013-03-13 15:17 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-12 11:24 [PATCH 0/8] USB: PHY: nop: Device tree support for 3.10 Roger Quadros
[not found] ` <1363087466-32444-1-git-send-email-rogerq-l0cyMroinI0@public.gmane.org>
2013-03-12 11:24 ` [PATCH 1/8] usb: phy: nop: Add some parameters to platform data Roger Quadros
2013-03-12 11:54 ` Marc Kleine-Budde
[not found] ` <513F177D.40500-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2013-03-12 14:12 ` Roger Quadros
2013-03-12 14:17 ` Marc Kleine-Budde
[not found] ` <513F38DF.5040404-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2013-03-12 14:28 ` Roger Quadros
[not found] ` <513F3B7E.8000002-l0cyMroinI0@public.gmane.org>
2013-03-12 14:42 ` Marc Kleine-Budde
[not found] ` <513F3EF0.3030609-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2013-03-12 15:20 ` Roger Quadros
[not found] ` <513F47B4.2060004-l0cyMroinI0@public.gmane.org>
2013-03-12 16:06 ` Marc Kleine-Budde
2013-03-13 15:17 ` Peter Ujfalusi [this message]
[not found] ` <514098A0.1030809-l0cyMroinI0@public.gmane.org>
2013-03-13 15:46 ` Roger Quadros
2013-03-13 15:52 ` Marc Kleine-Budde
2013-03-12 11:24 ` [PATCH 2/8] usb: phy: nop: use devm_kzalloc() Roger Quadros
2013-03-12 11:24 ` [PATCH 3/8] usb: phy: nop: Manage PHY clock Roger Quadros
2013-03-12 11:24 ` [PATCH 4/8] usb: phy: nop: Handle power supply regulator for the PHY Roger Quadros
2013-03-12 11:24 ` [PATCH 5/8] usb: phy: nop: Handle RESET " Roger Quadros
2013-03-12 11:24 ` [PATCH 6/8] usb: phy: nop: use new PHY API to register PHY Roger Quadros
2013-03-12 11:24 ` [PATCH 7/8] usb: phy: nop: Add device tree support and binding information Roger Quadros
2013-03-12 11:24 ` [PATCH 8/8] USB: phy: nop: Defer probe if device needs VCC/RESET Roger Quadros
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