From mboxrd@z Thu Jan 1 00:00:00 1970 From: paul@pwsan.com (Paul Walmsley) Date: Sun, 27 Feb 2011 19:31:47 -0700 (MST) Subject: [PATCH 0/8] OMAP2+: hwmod/clockevent: allow late-init of individual hwmods In-Reply-To: <4D651998.3040002@ti.com> References: <20110223070455.5874.51326.stgit@twilight.localdomain> <4D651998.3040002@ti.com> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Salut Beno?t, On Wed, 23 Feb 2011, Cousson, Benoit wrote: > On 2/23/2011 8:11 AM, Paul Walmsley wrote: > > This series adds the ability to late-initialize individual > > hwmods. The goal here is for clockevent (and eventually > > clocksource) hwmods to be late-initialized individually, and > > right before they are needed, in the timer init code. Then > > omap_hwmod_late_init(), which late-inits the rest of the hwmods, > > is intended to run as an initcall -- much later in the boot > > process. > > > > This series includes the OMAP2/3 hwmod data for the GPTIMERs that > > Tarun posted earlier. This data is necessary for this new code > > to avoid warnings during boot. > > > > Boot-tested on N800, OMAP34xx Beagleboard and OMAP4430ES2 Panda. > > I'm testing it on 4430sdp, and I have the following warning: > > [ 0.000000] omap_hwmod: dpll_mpu_m2_ck: missing clockdomain for dpll_mpu_m2_ck. > [ 0.000000] ------------[ cut here ]------------ > [ 0.000000] WARNING: at arch/arm/mach-omap2/timer-gp.c:157 omap2_gp_timer_init+0x80/0x190() > [ 0.000000] timer-gp: omap_dm_timer_set_source() failed > [ 0.000000] Modules linked in: > [ 0.000000] [] (unwind_backtrace+0x0/0xec) from [] (warn_slowpath_common+0x4c/0x64) > [ 0.000000] [] (warn_slowpath_common+0x4c/0x64) from [] (warn_slowpath_fmt+0x2c/0x3c) > [ 0.000000] [] (warn_slowpath_fmt+0x2c/0x3c) from [] (omap2_gp_timer_init+0x80/0x190) > [ 0.000000] [] (omap2_gp_timer_init+0x80/0x190) from [] (time_init+0x20/0x30) > [ 0.000000] [] (time_init+0x20/0x30) from [] (start_kernel+0x1a4/0x30c) > [ 0.000000] [] (start_kernel+0x1a4/0x30c) from [<80008038>] (0x80008038) > [ 0.000000] ---[ end trace 1b75b31a2719ed1c ]--- > [ 0.000000] OMAP clockevent source: GPTIMER1 at 32768 Hz This is due to commit 3b03b58dab847883e6b9a431558c7d8e43fa94c6 ("OMAP4: hwmod data: Prevent timer1 to be reset and idle during init"). Could you please try reverting this and see if the warning disappears? Tony, I guess the omap-for-linus branch will probably need to get rebuilt to drop that patch, once this series is merged... - Paul