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
next prev parent 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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