From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren 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 Message-ID: <20131205184832.GG26766@atomide.com> References: <1386080748-17005-1-git-send-email-rogerq@ti.com> <529EFD42.9070507@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <529EFD42.9070507@ti.com> Sender: linux-kernel-owner@vger.kernel.org To: Tomi Valkeinen Cc: Roger Quadros , 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 List-Id: linux-omap@vger.kernel.org * Tomi Valkeinen [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