Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751764AbaLFOqe (ORCPT ); Sat, 6 Dec 2014 09:46:34 -0500 Received: from netrider.rowland.org ([192.131.102.5]:59386 "HELO netrider.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751466AbaLFOqb (ORCPT ); Sat, 6 Dec 2014 09:46:31 -0500 Date: Sat, 6 Dec 2014 09:46:29 -0500 (EST) From: Alan Stern X-X-Sender: stern@netrider.rowland.org To: Arseny Solokha cc: Greg Kroah-Hartman , , Subject: Re: [PATCH v2] OHCI: add a quirk for ULi M5237 blocking on reset In-Reply-To: <1417834446-21257-1-git-send-email-asolokha@kb.kras.ru> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 6 Dec 2014, Arseny Solokha wrote: > From: Arseny Solokha > > Commit 8dccddbc2368 ("OHCI: final fix for NVIDIA problems (I hope)") > introduced into 3.1.9 broke boot on e.g. Freescale P2020DS development > board. The code path that was previously specific to NVIDIA controllers > had then become taken for all chips. > > However, the M5237 installed on the board wedges solid when accessing > its base+OHCI_FMINTERVAL register, making it impossible to boot any > kernel newer than 3.1.8 on this particular and apparently other similar > machines. > > Don't readl() and writel() base+OHCI_FMINTERVAL on PCI ID 10b9:5237. > > The patch is suitable for the -next tree as well as all maintained > kernels up to 3.2 inclusive. > > Signed-off-by: Arseny Solokha > --- > Changes in v2: > - review comments applied Much better this time. Acked-by: Alan Stern Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/