From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [PATCH v2] OMAP: use fncpy to copy the PM code functions to SRAM Date: Wed, 19 Jan 2011 14:10:57 -0800 Message-ID: <20110119221056.GG4957@atomide.com> References: <1295352126-29171-1-git-send-email-j-pihet@ti.com> <87vd1ksq2i.fsf@ti.com> <87mxmwr2un.fsf@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mho-02-ewr.mailhop.org ([204.13.248.72]:55437 "EHLO mho-02-ewr.mailhop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753701Ab1ASWLS (ORCPT ); Wed, 19 Jan 2011 17:11:18 -0500 Content-Disposition: inline In-Reply-To: <87mxmwr2un.fsf@ti.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Kevin Hilman Cc: jean.pihet@newoldbits.com, Dave Martin , Russell King - ARM Linux , linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org, Jean Pihet * Kevin Hilman [110119 13:37]: > Kevin Hilman writes: > > > jean.pihet@newoldbits.com writes: > > > >> From: Jean Pihet > >> > >> The new fncpy API is better suited for copying some > >> code to SRAM at runtime. This patch changes the ad-hoc > >> code to the more generic fncpy API. > >> > >> Tested OK on OMAP3 in low power modes (RET/OFF) > >> using omap2plus_defconfig with !CONFIG_THUMB2_KERNEL. > >> Compile tested on OMAP1/2 using omap1_defconfig. > >> > >> Signed-off-by: Jean Pihet > > > > Acked-by: Kevin Hilman > > > > Boot tested on OMAP1 & OMAP2 as well. Note that neither OMAP1 or OMAP2 > > has had working suspend/resume for a long time now, so I did not test > > suspend/resume. > > For OMAP2: > > Tested-by: Kevin Hilman > > to test a little more on OMAP2, I just removed the WFI from the > low-level code and tested suspend that way. That's enough to be sure > the copied code is copied and executed. > > Worked fine on OMAP2420/n810. > > For OMAP1, this didn't work and would require more serious hacking on > the OMAP1 suspend path, which I currently have no plans to do. Boots fine on osk5912 and n800 too: Tested-by: Tony Lindgren