From mboxrd@z Thu Jan 1 00:00:00 1970 From: marvin24@gmx.de (Marc Dietrich) Date: Sat, 27 Jul 2013 20:09:19 +0200 Subject: [PATCH 0/8] ARM: tegra: support LP1 suspend mode In-Reply-To: <51F3F356.8080709@gmail.com> References: <1374830110-30685-1-git-send-email-josephl@nvidia.com> <2389689.JgQlW00RdN@ax5200p> <51F3F356.8080709@gmail.com> Message-ID: <4555938.6N2HxzJnNO@ax5200p> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Saturday 27 July 2013 20:20:38 Dmitry Osipenko wrote: > 27.07.2013 20:12, Marc Dietrich ?????: > > On Friday 26 July 2013 17:15:02 Joseph Lo wrote: > >> This series adds the support of LP1 suspend mode for Tegra. > >> > >> Verified on Seaboard, Cardhu and Dalmore. > > > > tested on AC100 and worked fine, except > > > > [ 68.448007] PM: Syncing filesystems ... done. > > [ 71.370086] Freezing user space processes ... (elapsed 0.001 seconds) > > done. [ 71.370088] Freezing remaining freezable tasks ... (elapsed > > 0.001 seconds) done. > > [ 71.371253] Suspending console(s) (use no_console_suspend to debug) > > [ 71.638481] PM: suspend of devices complete after 266.604 msecs > > [ 71.638905] PM: late suspend of devices complete after 0.417 msecs > > [ 71.639477] PM: noirq suspend of devices complete after 0.568 msecs > > [ 71.639480] Disabling non-boot CPUs ... > > [ 71.640242] CPU1: shutdown > > [ 71.641216] Entering suspend state LP1 > > [ 71.641267] Enabling non-boot CPUs ... > > [ 71.643125] CPU1: Booted secondary processor > > [ 71.643449] CPU1 is up > > [ 71.643786] PM: noirq resume of devices complete after 0.331 msecs > > [ 71.644300] PM: early resume of devices complete after 0.364 msecs > > [ 71.648038] ------------[ cut here ]------------ > > [ 71.648061] WARNING: CPU: 0 PID: 1025 at kernel/irq/manage.c:529 > > irq_set_irq_wake+0xb8/0xf0() > > [ 71.648064] Unbalanced IRQ 384 wake disable > > [ 71.648068] Modules linked in: > > [ 71.648075] CPU: 0 PID: 1025 Comm: bash Not tainted 3.11.0-rc2- > > next-20130726-00008-gef01509-dirty #6 > > [ 71.648107] [] (unwind_backtrace+0x0/0xf8) from [] > > (show_stack+0x10/0x14) > > [ 71.648128] [] (show_stack+0x10/0x14) from [] > > (dump_stack+0x80/0xc4) > > [ 71.648142] [] (dump_stack+0x80/0xc4) from [] > > (warn_slowpath_common+0x64/0x88) > > [ 71.648151] [] (warn_slowpath_common+0x64/0x88) from > > [] (warn_slowpath_fmt+0x30/0x40) > > [ 71.648161] [] (warn_slowpath_fmt+0x30/0x40) from > > [] > > (irq_set_irq_wake+0xb8/0xf0) > > [ 71.648178] [] (irq_set_irq_wake+0xb8/0xf0) from [] > > (tps6586x_rtc_resume+0x30/0x38) > > [ 71.648192] [] (tps6586x_rtc_resume+0x30/0x38) from > > [] (platform_pm_resume+0x2c/0x4c) > > [ 71.648202] [] (platform_pm_resume+0x2c/0x4c) from > > [] (dpm_run_callback.isra.5+0x18/0x38) > > [ 71.648211] [] (dpm_run_callback.isra.5+0x18/0x38) from > > [] (device_resume+0xb0/0x170) > > [ 71.648219] [] (device_resume+0xb0/0x170) from [] > > (dpm_resume+0xe8/0x20c) > > [ 71.648227] [] (dpm_resume+0xe8/0x20c) from [] > > (dpm_resume_end+0xc/0x18) > > [ 71.648245] [] (dpm_resume_end+0xc/0x18) from [] > > (suspend_devices_and_enter+0xdc/0x2f8) > > [ 71.648256] [] (suspend_devices_and_enter+0xdc/0x2f8) from > > [] (pm_suspend+0x174/0x1e8) > > [ 71.648265] [] (pm_suspend+0x174/0x1e8) from [] > > (state_store+0x6c/0xbc) > > [ 71.648285] [] (state_store+0x6c/0xbc) from [] > > (kobj_attr_store+0x14/0x20) > > [ 71.648298] [] (kobj_attr_store+0x14/0x20) from [] > > (sysfs_write_file+0x168/0x198) > > [ 71.648312] [] (sysfs_write_file+0x168/0x198) from > > [] (vfs_write+0xb0/0x188) > > [ 71.648321] [] (vfs_write+0xb0/0x188) from [] > > (SyS_write+0x3c/0x70) > > [ 71.648330] [] (SyS_write+0x3c/0x70) from [] > > (ret_fast_syscall+0x0/0x30) > > [ 71.648334] ---[ end trace e5ed8212ac4db5da ]--- > > [ 72.063578] mmc1: power class selection to bus width 8 failed > > [ 72.297753] usb 2-1: reset high-speed USB device number 2 using > > tegra-ehci [ 72.567736] usb 3-1: reset high-speed USB device number 2 > > using tegra-ehci [ 73.022058] usb 3-1.3: reset high-speed USB device > > number 4 using tegra- ehci > > [ 73.216064] usb 3-1.2: reset high-speed USB device number 3 using > > tegra- > > ehci > > [ 73.360225] PM: resume of devices complete after 1715.937 msecs > > [ 73.361008] Restarting tasks ... done. > > > > and sdcard being offline after resume (fixed by > > CONFIG_MMC_UNSAFE_RESUME=y). Anyway, thanks for your great work! > > > > Tested-By: Marc Dietrich > > I had same warn on 3.8. > https://bitbucket.org/digetx/picasso-kernel/commits/a86dc95ab48dd77eaa046384 > 4cdf88a5acf9d842 Stephen Warren said on IRC that this is known and on the internal bug tracker already. I just posted it so others are not surprised. Well, I should have added that it's a know problem. Sorry for that. Marc