From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roger Quadros Subject: Re: [PATCH v2 0/3] ARM: OMAP2+: USB Host bug fixes for 3.13 rc Date: Fri, 6 Dec 2013 11:14:36 +0200 Message-ID: <52A1957C.5090801@ti.com> References: <1386080748-17005-1-git-send-email-rogerq@ti.com> <529EFD42.9070507@ti.com> <20131205184832.GG26766@atomide.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20131205184832.GG26766@atomide.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Tony Lindgren , Tomi Valkeinen Cc: paul@pwsan.com, sr@denx.de, bigeasy@linutronix.de, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, balbi@ti.com, linux-omap@vger.kernel.org, David.Laight@ACULAB.COM, bcousson@baylibre.com, michael@amarulasolutions.com, linux-arm-kernel@lists.infradead.org List-Id: linux-omap@vger.kernel.org Tony, On 12/05/2013 08:48 PM, Tony Lindgren wrote: > * 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. At least the first one must be taken ASAP. The other two would be nice to have though. cheers, -roger