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From: Tony Lindgren <tony@atomide.com>
To: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Roger Quadros <rogerq@ti.com>,
	bcousson@baylibre.com, paul@pwsan.com, balbi@ti.com, sr@denx.de,
	David.Laight@ACULAB.COM, michael@amarulasolutions.com,
	bigeasy@linutronix.de, linux-omap@vger.kernel.org,
	linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 0/3] ARM: OMAP2+: USB Host bug fixes for 3.13 rc
Date: Thu, 5 Dec 2013 10:48:32 -0800	[thread overview]
Message-ID: <20131205184832.GG26766@atomide.com> (raw)
In-Reply-To: <529EFD42.9070507@ti.com>

* Tomi Valkeinen <tomi.valkeinen@ti.com> [131204 02:01]:
> On 2013-12-03 16:25, Roger Quadros wrote:
> > Hi,
> > 
> > This is a follow up solution to the original series in [1]
> > 
> > The first patch fixes the OMAP4 Panda USB detection problems on 3.13-rc1
> > with u-boot v2013.10.
> > 
> > The remaining 2 patches are required if SOFTRESET needs to be done for the
> > USB Host module on OMAP3 platforms.
> > 
> > Patch 2 fixes the hwmod RESET logic to prevent multiple SOFTRESETs
> > being issued to the modules. This multiple SOFTRESET was causing problems
> > with OMAP3 USB Host module. On Beagleboard C4 this is seen as failure to
> > mount NFS root over external USB to Ethernet device.
> > 
> > This might be the reason why HWMOD_INIT_NO_RESET was used for the OMAP
> > USB host module in OMAP3 hwmod data and just carried forward in OMAP4
> > and OMAP5 hwmod data as well.
> > 
> > cheers,
> > -roger
> 
> Tested on Panda and Beagle xM. Works fine for me.

Looks like we should merge these as regression fixes during the -rc
cycle. Paul should take a look at these first though.

Regards,

Tony

  reply	other threads:[~2013-12-05 18:48 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-03 14:25 [PATCH v2 0/3] ARM: OMAP2+: USB Host bug fixes for 3.13 rc Roger Quadros
2013-12-03 14:25 ` [PATCH 1/3] ARM: OMAP4+: hwmod data: Don't prevent RESET of USB Host module Roger Quadros
     [not found]   ` <1386080748-17005-2-git-send-email-rogerq-l0cyMroinI0@public.gmane.org>
2013-12-09  1:26     ` Paul Walmsley
2013-12-09  1:58       ` Tony Lindgren
2013-12-09  2:15         ` Paul Walmsley
2013-12-09 17:52       ` Benoit Cousson
2013-12-03 14:25 ` [PATCH 2/3] ARM: OMAP2+: hwmod: Fix RESET logic Roger Quadros
2013-12-09  1:32   ` Paul Walmsley
2013-12-03 14:25 ` [PATCH 3/3] ARM: OMAP3: hwmod data: Don't prevent RESET of USB Host module Roger Quadros
2013-12-09  1:34   ` Paul Walmsley
2013-12-04 10:00 ` [PATCH v2 0/3] ARM: OMAP2+: USB Host bug fixes for 3.13 rc Tomi Valkeinen
2013-12-05 18:48   ` Tony Lindgren [this message]
2013-12-06  9:14     ` Roger Quadros
     [not found]   ` <529EFD42.9070507-l0cyMroinI0@public.gmane.org>
2013-12-09  1:35     ` Paul Walmsley

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