From: Tomi Valkeinen <tomi.valkeinen@ti.com>
To: Roger Quadros <rogerq@ti.com>, <bcousson@baylibre.com>,
<paul@pwsan.com>, <tony@atomide.com>
Cc: <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: Wed, 4 Dec 2013 12:00:34 +0200 [thread overview]
Message-ID: <529EFD42.9070507@ti.com> (raw)
In-Reply-To: <1386080748-17005-1-git-send-email-rogerq@ti.com>
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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.
Tomi
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next prev parent reply other threads:[~2013-12-04 10:01 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
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 ` Tomi Valkeinen [this message]
2013-12-05 18:48 ` [PATCH v2 0/3] ARM: OMAP2+: USB Host bug fixes for 3.13 rc Tony Lindgren
2013-12-06 9:14 ` Roger Quadros
2013-12-09 1:35 ` Paul Walmsley
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