怘€æ€˜€`3f<€fÀæøÀ̆ž?`??f?æžf<øž`??ð3ž<3ž<` 0x3e470000 [ 0.000000] L2C: DT/platform modifies aux control register: 0x0e070000 -> 0x3e470000 [ 0.000000] L2C-310 erratum 727915 enabled [ 0.000000] L2C-310 enabling early BRESP for Cortex-A9 [ 0.000000] L2C-310 ID prefetch enabled, offset 1 lines [ 0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB [ 0.000000] L2C-310: CACHE_ID 0x410000c4, AUX_CTRL 0x7e470000 [ 0.000000] ti_dt_clocks_register: failed to lookup clock node dss_fck [ 0.000000] ti_dt_clocks_register: failed to lookup clock node dss_fck [ 0.000000] ti_dt_clocks_register: failed to lookup clock node div_ts_ck [ 0.000000] ti_dt_clocks_register: failed to lookup clock node bandgap_ts_fclk [ 0.000000] OMAP clockevent source: timer1 at 32768 Hz [ 0.000000] clocksource: 32k_counter: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 58327039986419 ns [ 0.000030] sched_clock: 32 bits at 32kHz, resolution 30517ns, wraps every 65535999984741ns [ 0.000030] OMAP clocksource: 32k_counter at 32768 Hz [ 0.001159] Console: colour dummy device 80x30 [ 0.001190] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.001190] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.001220] ... MAX_LOCK_DEPTH: 48 [ 0.001220] ... MAX_LOCKDEP_KEYS: 8191 [ 0.001220] ... CLASSHASH_SIZE: 4096 [ 0.001220] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.001220] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.001220] ... CHAINHASH_SIZE: 32768 [ 0.001251] memory used by lock dependency info: 5167 kB [ 0.001251] per task-struct memory footprint: 1536 bytes [ 0.001251] Calibrating delay loop... 2007.04 BogoMIPS (lpj=10035200) [ 0.119567] pid_max: default: 32768 minimum: 301 [ 0.119934] Security Framework initialized [ 0.120025] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes) [ 0.120056] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes) [ 0.122802] CPU: Testing write buffer coherency: ok [ 0.124145] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.124267] Setting up static identity map for 0x80100000 - 0x80100070 [ 0.189544] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.190032] Brought up 2 CPUs [ 0.190063] SMP: Total of 2 processors activated (4014.08 BogoMIPS). [ 0.190063] CPU: All CPU(s) started in SVC mode. [ 0.192565] devtmpfs: initialized [ 0.232940] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 1 [ 0.233703] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.235839] pinctrl core: initialized pinctrl subsystem [ 0.239837] NET: Registered protocol family 16 [ 0.244598] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.248474] omap_hwmod: l3_main_3 using broken dt data from ocp [ 0.251617] omap_hwmod: l3_main_2 using broken dt data from ocp [ 0.340820] omap_hwmod: l3_instr: _wait_target_disable failed [ 0.419708] cpuidle: using governor menu [ 0.430023] gpiochip_add_data: registered GPIOs 0 to 31 on device: gpio [ 0.431030] OMAP GPIO hardware version 0.1 [ 0.431976] gpiochip_add_data: registered GPIOs 32 to 63 on device: gpio [ 0.433593] gpiochip_add_data: registered GPIOs 64 to 95 on device: gpio [ 0.435211] gpiochip_add_data: registered GPIOs 96 to 127 on device: gpio [ 0.436798] gpiochip_add_data: registered GPIOs 128 to 159 on device: gpio [ 0.438323] gpiochip_add_data: registered GPIOs 160 to 191 on device: gpio [ 0.439819] omap-gpmc 50000000.gpmc: GPMC revision 6.0 [ 0.439941] gpmc_mem_init: disabling cs 0 mapped at 0x0-0x1000000 [ 0.440765] irq: no irq domain found for /ocp/l4@4a000000/scm@100000/pinmux@40 ! [ 0.441223] irq: no irq domain found for /ocp/l4@4a000000/scm@100000/pinmux@40 ! [ 0.441680] irq: no irq domain found for /ocp/l4@4a000000/scm@100000/pinmux@40 ! [ 0.457244] platform 4b501000.aes: Cannot lookup hwmod 'aes' [ 0.457641] platform 480a5000.des: Cannot lookup hwmod 'des' [ 0.464111] No ATAGs? [ 0.464202] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 0.464202] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 0.466156] OMAP DMA hardware revision 0.0 [ 0.467864] ARM PMU: not yet supported on OMAP4430 due to missing CTI driver [ 0.511718] omap-dma-engine 4a056000.dma-controller: OMAP DMA engine driver [ 0.513092] of_get_named_gpiod_flags: parsed 'gpio' property of node '/hsusb1_power_reg[0]' - status (0) [ 0.589935] reg-fixed-voltage wl12xx_vmmc: could not find pctldev for node /ocp/l4@4a000000/scm@100000/pinmux@40/pinmux_wl12xx_gpio, deferring probe [ 0.593383] SCSI subsystem initialized [ 0.593872] libata version 3.00 loaded. [ 0.594451] usb_phy_generic hsusb1_phy: GPIO lookup for consumer reset [ 0.594482] usb_phy_generic hsusb1_phy: using device tree for GPIO lookup [ 0.594543] of_get_named_gpiod_flags: parsed 'reset-gpios' property of node '/hsusb1_phy[0]' - status (0) [ 0.594604] no flags found for reset [ 0.594635] usb_phy_generic hsusb1_phy: GPIO lookup for consumer vbus-detect [ 0.594635] usb_phy_generic hsusb1_phy: using device tree for GPIO lookup [ 0.594635] of_get_named_gpiod_flags: can't parse 'vbus-detect-gpios' property of node '/hsusb1_phy[0]' [ 0.594665] of_get_named_gpiod_flags: can't parse 'vbus-detect-gpio' property of node '/hsusb1_phy[0]' [ 0.594665] usb_phy_generic hsusb1_phy: using lookup tables for GPIO lookup [ 0.594757] usb_phy_generic hsusb1_phy: lookup for GPIO vbus-detect failed [ 0.595672] omap_i2c 48070000.i2c: could not find pctldev for node /ocp/l4@4a000000/scm@100000/pinmux@40/pinmux_i2c1_pins, deferring probe [ 0.595733] omap_i2c 48072000.i2c: could not find pctldev for node /ocp/l4@4a000000/scm@100000/pinmux@40/pinmux_i2c2_pins, deferring probe [ 0.595794] omap_i2c 48060000.i2c: could not find pctldev for node /ocp/l4@4a000000/scm@100000/pinmux@40/pinmux_i2c3_pins, deferring probe [ 0.595855] omap_i2c 48350000.i2c: could not find pctldev for node /ocp/l4@4a000000/scm@100000/pinmux@40/pinmux_i2c4_pins, deferring probe [ 0.596160] pps_core: LinuxPPS API ver. 1 registered [ 0.596160] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.596221] PTP clock support registered [ 0.599273] clocksource: Switched to clocksource 32k_counter [ 0.677947] VFS: Disk quotas dquot_6.6.0 [ 0.678100] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) [ 0.702911] NET: Registered protocol family 2 [ 0.704711] TCP established hash table entries: 4096 (order: 2, 16384 bytes) [ 0.704803] TCP bind hash table entries: 4096 (order: 5, 147456 bytes) [ 0.705688] TCP: Hash tables configured (established 4096 bind 4096) [ 0.705993] UDP hash table entries: 256 (order: 2, 20480 bytes) [ 0.706115] UDP-Lite hash table entries: 256 (order: 2, 20480 bytes) [ 0.706848] NET: Registered protocol family 1 [ 0.708129] RPC: Registered named UNIX socket transport module. [ 0.708129] RPC: Registered udp transport module. [ 0.708160] RPC: Registered tcp transport module. [ 0.708160] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.716949] futex hash table entries: 512 (order: 3, 32768 bytes) [ 0.717254] audit: initializing netlink subsys (disabled) [ 0.717468] audit: type=2000 audit(0.690:1): initialized [ 0.722534] NFS: Registering the id_resolver key type [ 0.722839] Key type id_resolver registered [ 0.722839] Key type id_legacy registered [ 0.723022] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 0.726898] io scheduler noop registered [ 0.726928] io scheduler deadline registered [ 0.726959] io scheduler cfq registered (default) [ 0.730621] pinctrl-single 4a100040.pinmux: 203 pins at pa fc100040 size 406 [ 0.731018] pinctrl-single 4a31e040.pinmux: 28 pins at pa fc31e040 size 56 [ 0.735687] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 0.740081] omap_uart 4806a000.serial: no wakeirq for uart0 [ 0.740081] of_get_named_gpiod_flags: can't parse 'rts-gpio' property of node '/ocp/serial@4806a000[0]' [ 0.740539] 4806a000.serial: ttyO0 at MMIO 0x4806a000 (irq = 226, base_baud = 3000000) is a OMAP UART0 [ 0.741821] of_get_named_gpiod_flags: can't parse 'rts-gpio' property of node '/ocp/serial@4806c000[0]' [ 0.742004] 4806c000.serial: ttyO1 at MMIO 0x4806c000 (irq = 227, base_baud = 3000000) is a OMAP UART1 [ 0.742828] of_get_named_gpiod_flags: can't parse 'rts-gpio' property of node '/ocp/serial@48020000[0]' [ 0.743011] 48020000.serial: ttyO2 at MMIO 0x48020000 (irq = 228, base_baud = 3000000) is a OMAP UART2 [ 1.294342] console [ttyO2] enabled [ 1.297149] of_get_named_gpiod_flags: can't parse 'rts-gpio' property of node '/ocp/serial@4806e000[0]' [ 1.302459] 4806e000.serial: ttyO3 at MMIO 0x4806e000 (irq = 229, base_baud = 3000000) is a OMAP UART3 [ 1.332824] brd: module loaded [ 1.350463] loop: module loaded [ 1.354888] mtdoops: mtd device (mtddev=name/number) must be supplied [ 1.368591] mousedev: PS/2 mouse device common for all mice [ 1.371673] i2c /dev entries driver [ 1.374786] omap_hsmmc 4809c000.mmc: GPIO lookup for consumer cd [ 1.378021] omap_hsmmc 4809c000.mmc: using device tree for GPIO lookup [ 1.381591] of_get_named_gpiod_flags: can't parse 'cd-gpios' property of node '/ocp/mmc@4809c000[0]' [ 1.386535] of_get_named_gpiod_flags: can't parse 'cd-gpio' property of node '/ocp/mmc@4809c000[0]' [ 1.391448] omap_hsmmc 4809c000.mmc: using lookup tables for GPIO lookup [ 1.395080] omap_hsmmc 4809c000.mmc: lookup for GPIO cd failed [ 1.398223] omap_hsmmc 4809c000.mmc: GPIO lookup for consumer wp [ 1.401489] omap_hsmmc 4809c000.mmc: using device tree for GPIO lookup [ 1.404998] of_get_named_gpiod_flags: can't parse 'wp-gpios' property of node '/ocp/mmc@4809c000[0]' [ 1.409973] of_get_named_gpiod_flags: can't parse 'wp-gpio' property of node '/ocp/mmc@4809c000[0]' [ 1.414855] omap_hsmmc 4809c000.mmc: using lookup tables for GPIO lookup [ 1.418457] omap_hsmmc 4809c000.mmc: lookup for GPIO wp failed [ 1.450561] omap_hsmmc 480d5000.mmc: GPIO lookup for consumer wp [ 1.453826] omap_hsmmc 480d5000.mmc: using device tree for GPIO lookup [ 1.457336] of_get_named_gpiod_flags: can't parse 'wp-gpios' property of node '/ocp/mmc@480d5000[0]' [ 1.462310] of_get_named_gpiod_flags: can't parse 'wp-gpio' property of node '/ocp/mmc@480d5000[0]' [ 1.467193] omap_hsmmc 480d5000.mmc: using lookup tables for GPIO lookup [ 1.470855] omap_hsmmc 480d5000.mmc: lookup for GPIO wp failed [ 1.509796] ledtrig-cpu: registered to indicate activity on CPUs [ 1.514068] oprofile: no performance counters [ 1.517517] oprofile: using timer interrupt. [ 1.520568] Initializing XFRM netlink socket [ 1.523193] NET: Registered protocol family 10 [ 1.527770] sit: IPv6 over IPv4 tunneling driver [ 1.532012] NET: Registered protocol family 17 [ 1.534484] NET: Registered protocol family 15 [ 1.537170] Key type dns_resolver registered [ 1.539764] twl: not initialized [ 1.541503] twl6030_uv_to_vsel:OUT OF RANGE! non mapped vsel for 1375000 Vs max 1316660 [ 1.545837] twl6030_uv_to_vsel:OUT OF RANGE! non mapped vsel for 1375000 Vs max 1316660 [ 1.550201] twl6030_uv_to_vsel:OUT OF RANGE! non mapped vsel for 1375000 Vs max 1316660 [ 1.554534] twl6030_uv_to_vsel:OUT OF RANGE! non mapped vsel for 1375000 Vs max 1316660 [ 1.558868] twl6030_uv_to_vsel:OUT OF RANGE! non mapped vsel for 1375000 Vs max 1316660 [ 1.563201] twl6030_uv_to_vsel:OUT OF RANGE! non mapped vsel for 1375000 Vs max 1316660 [ 1.567535] twl6030_uv_to_vsel:OUT OF RANGE! non mapped vsel for 1410000 Vs max 1316660 [ 1.571899] omap2_set_init_voltage: unable to find boot up OPP for vdd_mpu [ 1.575622] omap2_set_init_voltage: unable to set vdd_mpu [ 1.578552] omap2_set_init_voltage: unable to find boot up OPP for vdd_core [ 1.582336] omap2_set_init_voltage: unable to set vdd_core [ 1.585296] omap2_set_init_voltage: unable to find boot up OPP for vdd_iva [ 1.589019] omap2_set_init_voltage: unable to set vdd_iva [ 1.593749] Power Management for TI OMAP4+ devices. [ 1.596374] OMAP4 PM: u-boot >= v2012.07 is required for full PM support [ 1.600311] ThumbEE CPU extension supported. [ 1.600311] Registering SWP/SWPB emulation handler [ 1.600311] SmartReflex Class3 initialized [ 1.612335] of_get_named_gpiod_flags: parsed 'gpio' property of node '/wl12xx_vmmc[0]' - status (0) [ 1.623077] Skipping twl internal clock init and using bootloader value (unknown osc rate) [ 1.639404] hw-breakpoint: Failed to enable monitor mode on CPU 0. [ 1.649383] hw-breakpoint: CPU 0 failed to disable vector catch [ 1.654235] twl 0-0048: PIH (irq 337) nested IRQs [ 1.679687] twl6040 0-004b: clk32k is not handled [ 1.684906] of_get_named_gpiod_flags: parsed 'ti,audpwron-gpio' property of node '/ocp/i2c@48070000/twl@4b[0]' - status (0) [ 1.693054] omap_i2c 48070000.i2c: bus 0 rev0.10 at 400 kHz [ 1.698577] omap_i2c 48072000.i2c: bus 1 rev0.10 at 400 kHz [ 1.703338] omap_i2c 48060000.i2c: bus 2 rev0.10 at 100 kHz [ 1.708343] omap_i2c 48350000.i2c: bus 3 rev0.10 at 400 kHz [ 1.708343] omap_hsmmc 4809c000.mmc: GPIO lookup for consumer cd [ 1.715209] omap_hsmmc 4809c000.mmc: using device tree for GPIO lookup [ 1.718749] of_get_named_gpiod_flags: can't parse 'cd-gpios' property of node '/ocp/mmc@4809c000[0]' [ 1.718749] of_get_named_gpiod_flags: can't parse 'cd-gpio' property of node '/ocp/mmc@4809c000[0]' [ 1.728637] omap_hsmmc 4809c000.mmc: using lookup tables for GPIO lookup [ 1.732299] omap_hsmmc 4809c000.mmc: lookup for GPIO cd failed [ 1.732330] omap_hsmmc 4809c000.mmc: GPIO lookup for consumer wp [ 1.732330] omap_hsmmc 4809c000.mmc: using device tree for GPIO lookup [ 1.732330] of_get_named_gpiod_flags: can't parse 'wp-gpios' property of node '/ocp/mmc@4809c000[0]' [ 1.742309] of_get_named_gpiod_flags: can't parse 'wp-gpio' property of node '/ocp/mmc@4809c000[0]' [ 1.752197] omap_hsmmc 4809c000.mmc: using lookup tables for GPIO lookup [ 1.755828] omap_hsmmc 4809c000.mmc: lookup for GPIO wp failed [ 1.759216] omap_hsmmc 4809c000.mmc: omap_device: omap_device_enable() called from invalid state 1 [ 1.829437] omap_hsmmc 480d5000.mmc: GPIO lookup for consumer wp [ 1.829437] omap_hsmmc 480d5000.mmc: using device tree for GPIO lookup [ 1.829437] of_get_named_gpiod_flags: can't parse 'wp-gpios' property of node '/ocp/mmc@480d5000[0]' [ 1.841522] of_get_named_gpiod_flags: can't parse 'wp-gpio' property of node '/ocp/mmc@480d5000[0]' [ 1.841522] omap_hsmmc 480d5000.mmc: using lookup tables for GPIO lookup [ 1.850067] omap_hsmmc 480d5000.mmc: lookup for GPIO wp failed [ 1.853485] omap_hsmmc 480d5000.mmc: omap_device: omap_device_enable() called from invalid state 1 [ 1.971160] hctosys: unable to open rtc device (rtc0) [ 1.973815] sr_init: No PMIC hook to init smartreflex [ 1.976928] smartreflex smartreflex.0: omap_sr_probe: SmartReflex driver initialized [ 1.980560] mmc0: host does not support reading read-only switch, assuming write-enable [ 1.980651] mmc0: new SD card at address aaaa [ 1.988464] mmcblk0: mmc0:aaaa SD02G 1.89 GiB [ 1.988464] smartreflex smartreflex.1: omap_sr_probe: SmartReflex driver initialized [ 1.988739] smartreflex smartreflex.2: omap_sr_probe: SmartReflex driver initialized [ 2.004241] mmcblk0: p1 p2 [ 2.019287] vwl1271: disabling [ 2.025482] VDAC: disabling [ 2.027679] VANA: disabling [ 2.029937] VUSB: disabling [ 2.037048] EXT4-fs (mmcblk0p2): mounting ext3 file system using the ext4 subsystem [ 3.583923] EXT4-fs (mmcblk0p2): recovery complete [ 3.591522] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null) [ 3.596130] VFS: Mounted root (ext3 filesystem) on device 179:2. [ 3.606109] devtmpfs: mounted [ 3.609313] Freeing unused kernel memory: 1024K (c0b00000 - c0c00000) modprobe: FATAL: Could not load /lib/modules/4.5.0-rc5-198173-g81f70ba/modules.dep: No such file or directory INIT: version 2.88 booting Using makefile-style concurrent boot in runlevel S. Starting the hotplug events dispatcher: udevd[ 4.562133] udevd[136]: starting version 172 . Synthesizing the initial hotplug events...done. Waiting for /dev to be fully populated...done. Activating swap...done. [ 6.376922] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null) Cleaning up ifupdown.... Setting up networking.... Loading kernel modules...done. Activating lvm and md swap...done. Checking file systems...fsck from util-linux 2.19.1 done. Mounting local filesystems...done. Activating swapfile swap...done. Cleaning up temporary files.... Configuring network interfaces...done. Cleaning up temporary files.... Setting kernel variables ...done. [ 8.291625] random: dd urandom read with 54 bits of entropy available INIT: Entering runlevel: 2 Using makefile-style concurrent boot in runlevel 2. Debian GNU/Linux wheezy/sid armel ttyO2 armel login: Debian GNU/Linux wheezy/sid armel ttyO2 armel login: Debian GNU/Linux wheezy/sid armel ttyO2 armel login: root Last login: Thu Jan 1 00:00:11 UTC 1970 on ttyO2 Linux armel 4.5.0-rc5-198173-g81f70ba #1 SMP Sat Feb 20 20:22:45 MST 2016 armv7l The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. root@armel:~# root@armel:~# %% Start PM consolidated quick test (retention only) %% Preparation root@armel:~# root@armel:~# mkdir -p /sys; mount -t sysfs none /sys mount: none already mounted or /sys busy mount: according to mtab, sysfs is already mounted on /sys root@armel:~# root@armel:~# mkdir -p /debug; mount -t debugfs none /debug mount: none already mounted or /debug busy mount: according to mtab, /debug is already mounted on /debug root@armel:~# root@armel:~# root@armel:~# root@armel:~# for u in `ls -1d /sys/bus/platform/drivers/omap_uart/*.serial | pa ste -s -d' '`; do echo -1 > $u/power/autosuspend_delay_ms; done root@armel:~# root@armel:~# for u in `ls -1d /sys/bus/platform/drivers/omap_uart/*.serial | pa ste -s -d' '`; do ls -l $u/power/autosuspend_delay_ms; cat $u/power/autosuspend _delay_ms; done -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/48020000.serial/power/autosuspend_delay_ms -1 -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/4806a000.serial/power/autosuspend_delay_ms -1 -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/4806c000.serial/power/autosuspend_delay_ms -1 -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/4806e000.serial/power/autosuspend_delay_ms -1 root@armel:~# root@armel:~# echo 0 > /debug/pm_debug/enable_off_mode root@armel:~# root@armel:~# %% Baseline pm_debug count dump cat /debug/pm_debug/count cefuse_pwrdm (OFF),OFF:2,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0 always_on_core_pwrdm (ON),OFF:348,RET:0,INA:0,ON:349,RET-LOGIC-OFF:0 l4per_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 l3init_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cam_pwrdm (OFF),OFF:37,RET:0,INA:0,ON:36,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 ivahd_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0 mpu_pwrdm (ON),OFF:0,RET:306,INA:0,ON:307,RET-LOGIC-OFF:292,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 cpu1_pwrdm (ON),OFF:342,RET:0,INA:0,ON:343,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cpu0_pwrdm (ON),OFF:306,RET:0,INA:0,ON:307,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 tesla_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 dss_pwrdm (RET),OFF:348,RET:349,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 abe_pwrdm (ON),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 gfx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 core_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0,RET-MEMBANK5-OFF:0 l3_dma_clkdm->core_pwrdm (0) emu_sys_clkdm->emu_pwrdm (0) l4_wkup_clkdm->wkup_pwrdm (3) l3_dss_clkdm->dss_pwrdm (0) iss_clkdm->cam_pwrdm (0) l3_1_clkdm->core_pwrdm (0) l3_2_clkdm->core_pwrdm (1) mpuss_clkdm->mpu_pwrdm (1) ducati_clkdm->core_pwrdm (0) l4_ao_clkdm->always_on_core_pwrdm (0) l3_emif_clkdm->core_pwrdm (2) mpu1_clkdm->cpu1_pwrdm (0) mpu0_clkdm->cpu0_pwrdm (0) d2d_clkdm->core_pwrdm (0) l3_init_clkdm->l3init_pwrdm (0) l3_instr_clkdm->core_pwrdm (0) abe_clkdm->abe_pwrdm (0) l4_per_clkdm->l4per_pwrdm (7) l4_secure_clkdm->l4per_pwrdm (0) ivahd_clkdm->ivahd_pwrdm (0) l3_gfx_clkdm->gfx_pwrdm (0) tesla_clkdm->tesla_pwrdm (0) l4_cfg_clkdm->core_pwrdm (0) l4_cefuse_clkdm->cefuse_pwrdm (0) root@armel:~# root@armel:~# for u in `ls -1d /sys/class/tty/ttyO* | paste -s -d' '`; do echo e nabled > $u/power/wakeup; done root@armel:~# %% Start retention double suspend/resume UART wakeup test root@armel:~# for u in `ls -1d /sys/class/tty/ttyO* | paste -s -d' '`; do echo a uto > $u/power/control; done root@armel:~# root@armel:~# for u in `ls -1d /sys/class/tty/ttyO* | paste -s -d' '`; do ls -l $u/power/wakeup; cat $u/power/wakeup; done -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/class/tty/ttyO0/power/wakeup enabled -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/class/tty/ttyO1/power/wakeup enabled -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/class/tty/ttyO2/power/wakeup enabled -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/class/tty/ttyO3/power/wakeup enabled root@armel:~# root@armel:~# for u in `ls -1d /sys/class/tty/ttyO* | paste -s -d' '`; do ls -l $u/power/control; cat $u/power/control; done -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/class/tty/ttyO0/power/control auto -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/class/tty/ttyO1/power/control auto -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/class/tty/ttyO2/power/control auto -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/class/tty/ttyO3/power/control auto root@armel:~# root@armel:~# echo mem > /sys/power/state [ 18.779510] PM: Syncing filesystems ... done. [ 20.173706] PM: Preparing system for sleep (mem) [ 20.184051] Freezing user space processes ... (elapsed 0.004 seconds) done. [ 20.192535] Freezing remaining freezable tasks ... (elapsed 0.004 seconds) done. [ 20.197235] PM: Suspending system (mem) [ 20.200836] Suspending console(s) (use no_console_suspend to debug) [ 20.214477] PM: suspend of devices complete after 7.781 msecs [ 20.217041] PM: late suspend of devices complete after 2.532 msecs [ 20.221710] PM: noirq suspend of devices complete after 4.547 msecs [ 20.221710] Disabling non-boot CPUs ... [ 20.227935] [ 20.227935] =============================== [ 20.227935] [ INFO: suspicious RCU usage. ] [ 20.227966] 4.5.0-rc5-198173-g81f70ba #1 Not tainted [ 20.227966] ------------------------------- [ 20.227966] kernel/sched/fair.c:5075 suspicious rcu_dereference_check() usage! [ 20.227966] [ 20.227966] other info that might help us debug this: [ 20.227966] [ 20.227966] [ 20.227966] RCU used illegally from offline CPU! [ 20.227966] rcu_scheduler_active = 1, debug_locks = 0 [ 20.227996] 3 locks held by swapper/1/0: [ 20.227996] #0: ((cpu_died).wait.lock){......}, at: [] complete+0x14/0x44 [ 20.227996] #1: (&p->pi_lock){-.-.-.}, at: [] try_to_wake_up+0x30/0x488 [ 20.227996] #2: (rcu_read_lock){......}, at: [] select_task_rq_fair+0x44/0xb58 [ 20.227996] [ 20.227996] stack backtrace: [ 20.228118] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.5.0-rc5-198173-g81f70ba #1 [ 20.228118] Hardware name: Generic OMAP4 (Flattened Device Tree) [ 20.228118] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 20.228118] [] (show_stack) from [] (dump_stack+0xa8/0xe0) [ 20.228210] [] (dump_stack) from [] (select_task_rq_fair+0x970/0xb58) [ 20.228210] [] (select_task_rq_fair) from [] (try_to_wake_up+0x140/0x488) [ 20.228210] [] (try_to_wake_up) from [] (__wake_up_common+0x4c/0x80) [ 20.228240] [] (__wake_up_common) from [] (__wake_up_locked+0x14/0x1c) [ 20.228240] [] (__wake_up_locked) from [] (complete+0x34/0x44) [ 20.228240] [] (complete) from [] (arch_cpu_idle_dead+0x34/0x9c) [ 20.228271] [] (arch_cpu_idle_dead) from [] (cpu_startup_entry+0x388/0x3d0) [ 20.228271] [] (cpu_startup_entry) from [<8010160c>] (0x8010160c) [ 20.228271] CPU1: shutdown [ 20.251647] Powerdomain (core_pwrdm) didn't enter target state 1 [ 20.251647] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 20.251647] Powerdomain (tesla_pwrdm) didn't enter target state 1 [ 20.251647] Powerdomain (ivahd_pwrdm) didn't enter target state 1 [ 20.251647] Powerdomain (l3init_pwrdm) didn't enter target state 1 [ 20.251647] Powerdomain (l4per_pwrdm) didn't enter target state 1 [ 20.251647] Could not enter target state in pm_suspend [ 20.251647] A possible cause could be an old bootloader - try u-boot >= v2012.07 [ 20.251739] Enabling non-boot CPUs ... [ 20.311309] CPU1 is up [ 20.312561] PM: noirq resume of devices complete after 1.251 msecs [ 20.313842] PM: early resume of devices complete after 0.823 msecs [ 20.314971] PM: resume of devices complete after 1.098 msecs [ 20.444244] PM: Finishing wakeup. [ 20.461364] Restarting tasks ... done. root@armel:~# root@armel:~# root@armel:~# root@armel:~# cat /debug/pm_debug/count cefuse_pwrdm (OFF),OFF:2,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0 always_on_core_pwrdm (ON),OFF:537,RET:0,INA:0,ON:538,RET-LOGIC-OFF:0 l4per_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 l3init_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cam_pwrdm (OFF),OFF:37,RET:0,INA:0,ON:36,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 ivahd_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0 mpu_pwrdm (ON),OFF:0,RET:487,INA:0,ON:488,RET-LOGIC-OFF:473,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 cpu1_pwrdm (ON),OFF:531,RET:0,INA:0,ON:532,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cpu0_pwrdm (ON),OFF:487,RET:0,INA:0,ON:488,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 tesla_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 dss_pwrdm (RET),OFF:537,RET:538,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 abe_pwrdm (ON),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 gfx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 core_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0,RET-MEMBANK5-OFF:0 l3_dma_clkdm->core_pwrdm (0) emu_sys_clkdm->emu_pwrdm (0) l4_wkup_clkdm->wkup_pwrdm (3) l3_dss_clkdm->dss_pwrdm (0) iss_clkdm->cam_pwrdm (0) l3_1_clkdm->core_pwrdm (0) l3_2_clkdm->core_pwrdm (1) mpuss_clkdm->mpu_pwrdm (1) ducati_clkdm->core_pwrdm (0) l4_ao_clkdm->always_on_core_pwrdm (0) l3_emif_clkdm->core_pwrdm (2) mpu1_clkdm->cpu1_pwrdm (0) mpu0_clkdm->cpu0_pwrdm (0) d2d_clkdm->core_pwrdm (0) l3_init_clkdm->l3init_pwrdm (0) l3_instr_clkdm->core_pwrdm (0) abe_clkdm->abe_pwrdm (0) l4_per_clkdm->l4per_pwrdm (12) l4_secure_clkdm->l4per_pwrdm (0) ivahd_clkdm->ivahd_pwrdm (0) l3_gfx_clkdm->gfx_pwrdm (0) tesla_clkdm->tesla_pwrdm (0) l4_cfg_clkdm->core_pwrdm (0) l4_cefuse_clkdm->cefuse_pwrdm (0) root@armel:~# root@armel:~# root@armel:~# root@armel:~# echo mem > /sys/power/state [ 22.489471] PM: Syncing filesystems ... done. [ 22.491851] PM: Preparing system for sleep (mem) [ 22.497406] Freezing user space processes ... (elapsed 0.001 seconds) done. [ 22.501098] Freezing remaining freezable tasks ... (elapsed 0.003 seconds) done. [ 22.508026] PM: Suspending system (mem) [ 22.510131] Suspending console(s) (use no_console_suspend to debug) [ 22.518310] PM: suspend of devices complete after 3.601 msecs [ 22.519378] PM: late suspend of devices complete after 1.068 msecs [ 22.521118] PM: noirq suspend of devices complete after 1.678 msecs [ 22.521118] Disabling non-boot CPUs ... [ 22.522155] CPU1: shutdown [ 22.590423] Powerdomain (core_pwrdm) didn't enter target state 1 [ 22.590423] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 22.590423] Powerdomain (tesla_pwrdm) didn't enter target state 1 [ 22.590423] Powerdomain (ivahd_pwrdm) didn't enter target state 1 [ 22.590423] Powerdomain (l3init_pwrdm) didn't enter target state 1 [ 22.590423] Powerdomain (l4per_pwrdm) didn't enter target state 1 [ 22.590423] Could not enter target state in pm_suspend [ 22.590423] A possible cause could be an old bootloader - try u-boot >= v2012.07 [ 22.590484] Enabling non-boot CPUs ... [ 22.641235] CPU1 is up [ 22.642395] PM: noirq resume of devices complete after 1.098 msecs [ 22.643585] PM: early resume of devices complete after 1.190 msecs [ 22.644622] PM: resume of devices complete after 1.037 msecs [ 22.685607] PM: Finishing wakeup. [ 22.698730] Restarting tasks ... done. root@armel:~# root@armel:~# root@armel:~# root@armel:~# cat /debug/pm_debug/count cefuse_pwrdm (OFF),OFF:2,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0 always_on_core_pwrdm (ON),OFF:616,RET:0,INA:0,ON:617,RET-LOGIC-OFF:0 l4per_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 l3init_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cam_pwrdm (OFF),OFF:37,RET:0,INA:0,ON:36,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 ivahd_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0 mpu_pwrdm (ON),OFF:0,RET:562,INA:0,ON:563,RET-LOGIC-OFF:544,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 cpu1_pwrdm (ON),OFF:610,RET:0,INA:0,ON:611,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cpu0_pwrdm (ON),OFF:562,RET:0,INA:0,ON:563,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 tesla_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 dss_pwrdm (RET),OFF:616,RET:617,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 abe_pwrdm (ON),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 gfx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 core_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0,RET-MEMBANK5-OFF:0 l3_dma_clkdm->core_pwrdm (0) emu_sys_clkdm->emu_pwrdm (0) l4_wkup_clkdm->wkup_pwrdm (3) l3_dss_clkdm->dss_pwrdm (0) iss_clkdm->cam_pwrdm (0) l3_1_clkdm->core_pwrdm (0) l3_2_clkdm->core_pwrdm (1) mpuss_clkdm->mpu_pwrdm (1) ducati_clkdm->core_pwrdm (0) l4_ao_clkdm->always_on_core_pwrdm (0) l3_emif_clkdm->core_pwrdm (2) mpu1_clkdm->cpu1_pwrdm (0) mpu0_clkdm->cpu0_pwrdm (0) d2d_clkdm->core_pwrdm (0) l3_init_clkdm->l3init_pwrdm (0) l3_instr_clkdm->core_pwrdm (0) abe_clkdm->abe_pwrdm (0) l4_per_clkdm->l4per_pwrdm (12) l4_secure_clkdm->l4per_pwrdm (0) ivahd_clkdm->ivahd_pwrdm (0) l3_gfx_clkdm->gfx_pwrdm (0) tesla_clkdm->tesla_pwrdm (0) l4_cfg_clkdm->core_pwrdm (0) l4_cefuse_clkdm->cefuse_pwrdm (0) root@armel:~# root@armel:~# root@armel:~# root@armel:~# ./test_rootfs_access_nonexistent_file__ret_susp -bash: ./test_rootfs_access_nonexistent_file__ret_susp: No such file or directory root@armel:~# root@armel:~# %% End retention double suspend/resume UART wakeup test %% Start retention dynamic idle UART wakeup test for u in `ls -1d /sys/bus/platform/drivers/omap_uart/*.serial | pa ste -s -d' '`; do echo 3000 > $u/power/autosuspend_delay_ms; done root@armel:~# root@armel:~# for u[ 25.790954] random: nonblocking pool is initialized in `ls -1d /sys/bus/platform/drivers/omap_uart/*.serial | pa ste -s -d' '`; do ls -l $u/power/autosuspend_delay_ms; cat $u/power/autosuspend _delay_ms; done -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/48020000.serial/power/autosuspend_delay_ms 3000 -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/4806a000.serial/power/autosuspend_delay_ms 3000 -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/4806c000.serial/power/autosuspend_delay_ms 3000 -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/4806e000.serial/power/autosuspend_delay_ms 3000 root@armel:~# root@armel:~# root@armel:~# root@armel:~# cat /debug/pm_debug/count cefuse_pwrdm (OFF),OFF:2,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0 always_on_core_pwrdm (ON),OFF:840,RET:0,INA:0,ON:841,RET-LOGIC-OFF:0 l4per_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 l3init_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cam_pwrdm (OFF),OFF:37,RET:0,INA:0,ON:36,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 ivahd_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0 mpu_pwrdm (ON),OFF:0,RET:784,INA:0,ON:785,RET-LOGIC-OFF:760,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 cpu1_pwrdm (ON),OFF:834,RET:0,INA:0,ON:835,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cpu0_pwrdm (ON),OFF:784,RET:0,INA:0,ON:785,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 tesla_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 dss_pwrdm (RET),OFF:840,RET:841,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 abe_pwrdm (ON),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 gfx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 core_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0,RET-MEMBANK5-OFF:0 l3_dma_clkdm->core_pwrdm (0) emu_sys_clkdm->emu_pwrdm (0) l4_wkup_clkdm->wkup_pwrdm (3) l3_dss_clkdm->dss_pwrdm (0) iss_clkdm->cam_pwrdm (0) l3_1_clkdm->core_pwrdm (0) l3_2_clkdm->core_pwrdm (1) mpuss_clkdm->mpu_pwrdm (1) ducati_clkdm->core_pwrdm (0) l4_ao_clkdm->always_on_core_pwrdm (0) l3_emif_clkdm->core_pwrdm (2) mpu1_clkdm->cpu1_pwrdm (0) mpu0_clkdm->cpu0_pwrdm (0) d2d_clkdm->core_pwrdm (0) l3_init_clkdm->l3init_pwrdm (0) l3_instr_clkdm->core_pwrdm (0) abe_clkdm->abe_pwrdm (0) l4_per_clkdm->l4per_pwrdm (4) l4_secure_clkdm->l4per_pwrdm (0) ivahd_clkdm->ivahd_pwrdm (0) l3_gfx_clkdm->gfx_pwrdm (0) tesla_clkdm->tesla_pwrdm (0) l4_cfg_clkdm->core_pwrdm (0) l4_cefuse_clkdm->cefuse_pwrdm (0) root@armel:~# root@armel:~# root@armel:~# root@armel:~# ./test_rootfs_access_nonexistent_file__ret_dyn -bash: ./test_rootfs_access_nonexistent_file__ret_dyn: No such file or directory root@armel:~# root@armel:~# for u in `ls -1d /sys/bus/platform/drivers/omap_uart/*.serial | pa ste -s -d' '`; do echo -1 > $u/power/autosuspend_delay_ms; done root@armel:~# root@armel:~# for u in `ls -1d /sys/bus/platform/drivers/omap_uart/*.serial | pa ste -s -d' '`; do ls -l $u/power/autosuspend_delay_ms; cat $u/power/autosuspend _delay_ms; done -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/48020000.serial/power/autosuspend_delay_ms -1 -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/4806a000.serial/power/autosuspend_delay_ms -1 -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/4806c000.serial/power/autosuspend_delay_ms -1 -rw-r--r-- 1 root root 4096 Jan 1 00:00 /sys/bus/platform/drivers/omap_uart/4806e000.serial/power/autosuspend_delay_ms -1 root@armel:~# root@armel:~# %% End retention dynamic idle UART wakeup test %% End PM consolidated quick test (retention only)