From mboxrd@z Thu Jan 1 00:00:00 1970 From: Henrik Rydberg Subject: Re: [patch 1/1] input: bcm5974: retract efi-broken suspend_resume Date: Sun, 14 Mar 2010 10:51:14 +0100 Message-ID: <4B9CB192.8070702@euromail.se> References: <201003112204.o2BM4wYm013275@imap1.linux-foundation.org> <20100313083544.GC22494@core.coreip.homeip.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from ch-smtp03.sth.basefarm.net ([80.76.149.214]:55689 "EHLO ch-smtp03.sth.basefarm.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756419Ab0CNJvq (ORCPT ); Sun, 14 Mar 2010 05:51:46 -0400 In-Reply-To: <20100313083544.GC22494@core.coreip.homeip.net> Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: Dmitry Torokhov Cc: akpm@linux-foundation.org, linux-input@vger.kernel.org Dmitry Torokhov wrote: > Henrik, > > On Thu, Mar 11, 2010 at 02:04:58PM -0800, akpm@linux-foundation.org wrote: >> From: "Henrik Rydberg" >> >> With the recent system-wide improvements on suspend/resume and EFI booting >> the suspend_resume method of the bcm5974 has broken. When waking up from >> the S3 state on the MacBookAir, the trackpad is found in a yet unknown >> state, unable to switch to the proper multitouch mode. The result is a >> frozen touchpad, and a flood of errors of the kind >> >> bcm5974: bad trackpad package, length: 8. >> >> This patch retracts the reset_resume method altogether, falling back on >> the generic unbind/rebind functionality of the usb layer until further >> investigations can be made as how to reset the device when booting from >> efi. > > Is the driver still broken on EFI without this patch? I was hoping if I > ignore the patch long enough EFI will get fixed ;) > > Thanks. > The problem persists in all grub-efi flavors of version 1.97. I have not been able to test later versions. Henrik