怘€æ€˜€`3f<€fÀæøÀ̆ž?`†øfófÏfÆž`?¿ð3ž<3ž<`¼f 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 [ 0.000000] sched_clock: 32 bits at 32kHz, resolution 30517ns, wraps every 65535999984741ns [ 0.000000] OMAP clocksource: 32k_counter at 32768 Hz [ 0.001129] Console: colour dummy device 80x30 [ 0.001190] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.001190] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.001190] ... MAX_LOCK_DEPTH: 48 [ 0.001190] ... 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 [ 0.001220] 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) [ 0.119537] pid_max: default: 32768 minimum: 301 [ 0.119903] Security Framework initialized [ 0.119995] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes) [ 0.120025] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes) [ 0.122802] CPU: Testing write buffer coherency: ok [ 0.124114] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.124237] Setting up static identity map for 0x80008280 - 0x800082f0 [ 0.189514] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.190002] Brought up 2 CPUs [ 0.190032] SMP: Total of 2 processors activated (4014.08 BogoMIPS). [ 0.190032] CPU: All CPU(s) started in SVC mode. [ 0.192413] devtmpfs: initialized [ 0.232849] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 1 [ 0.233581] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.235961] pinctrl core: initialized pinctrl subsystem [ 0.239898] NET: Registered protocol family 16 [ 0.244567] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.248443] omap_hwmod: l3_main_3 using broken dt data from ocp [ 0.251556] omap_hwmod: l3_main_2 using broken dt data from ocp [ 0.339965] omap_hwmod: l3_instr: _wait_target_disable failed [ 0.419677] cpuidle: using governor menu [ 0.429870] gpiochip_add_data: registered GPIOs 0 to 31 on device: gpio [ 0.430847] OMAP GPIO hardware version 0.1 [ 0.431793] gpiochip_add_data: registered GPIOs 32 to 63 on device: gpio [ 0.433380] gpiochip_add_data: registered GPIOs 64 to 95 on device: gpio [ 0.434906] gpiochip_add_data: registered GPIOs 96 to 127 on device: gpio [ 0.436462] gpiochip_add_data: registered GPIOs 128 to 159 on device: gpio [ 0.437957] gpiochip_add_data: registered GPIOs 160 to 191 on device: gpio [ 0.439392] omap-gpmc 50000000.gpmc: GPMC revision 6.0 [ 0.439544] gpmc_mem_init: disabling cs 0 mapped at 0x0-0x1000000 [ 0.440338] irq: no irq domain found for /ocp/l4@4a000000/scm@100000/pinmux@40 ! [ 0.440795] irq: no irq domain found for /ocp/l4@4a000000/scm@100000/pinmux@40 ! [ 0.441253] irq: no irq domain found for /ocp/l4@4a000000/scm@100000/pinmux@40 ! [ 0.456542] platform 4b501000.aes: Cannot lookup hwmod 'aes' [ 0.456909] platform 480a5000.des: Cannot lookup hwmod 'des' [ 0.463348] No ATAGs? [ 0.463439] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 0.463439] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 0.465393] OMAP DMA hardware revision 0.0 [ 0.467102] ARM PMU: not yet supported on OMAP4430 due to missing CTI driver [ 0.511505] omap-dma-engine 4a056000.dma-controller: OMAP DMA engine driver [ 0.512847] of_get_named_gpiod_flags: parsed 'gpio' property of node '/hsusb1_power_reg[0]' - status (0) [ 0.589904] reg-fixed-voltage wl12xx_vmmc: could not find pctldev for node /ocp/l4@4a000000/scm@100000/pinmux@40/pinmux_wl12xx_gpio, deferring probe [ 0.593414] SCSI subsystem initialized [ 0.593902] libata version 3.00 loaded. [ 0.594482] 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) [ 0.594635] 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 [ 0.594665] 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 [ 0.595764] omap_i2c 48072000.i2c: could not find pctldev for node /ocp/l4@4a000000/scm@100000/pinmux@40/pinmux_i2c2_pins, deferring probe [ 0.595825] omap_i2c 48060000.i2c: could not find pctldev for node /ocp/l4@4a000000/scm@100000/pinmux@40/pinmux_i2c3_pins, deferring probe [ 0.595886] 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 [ 0.596191] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.596221] PTP clock support registered [ 0.599243] clocksource: Switched to clocksource 32k_counter [ 0.679046] VFS: Disk quotas dquot_6.6.0 [ 0.679290] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) [ 0.703643] NET: Registered protocol family 2 [ 0.705413] TCP established hash table entries: 4096 (order: 2, 16384 bytes) [ 0.705505] TCP bind hash table entries: 4096 (order: 5, 147456 bytes) [ 0.706390] TCP: Hash tables configured (established 4096 bind 4096) [ 0.706665] UDP hash table entries: 256 (order: 2, 20480 bytes) [ 0.706787] UDP-Lite hash table entries: 256 (order: 2, 20480 bytes) [ 0.707519] NET: Registered protocol family 1 [ 0.708831] RPC: Registered named UNIX socket transport module. [ 0.708831] RPC: Registered udp transport module. [ 0.708862] RPC: Registered tcp transport module. [ 0.708862] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.717590] futex hash table entries: 512 (order: 3, 32768 bytes) [ 0.717926] audit: initializing netlink subsys (disabled) [ 0.718109] audit: type=2000 audit(0.690:1): initialized [ 0.723175] NFS: Registering the id_resolver key type [ 0.723480] Key type id_resolver registered [ 0.723480] Key type id_legacy registered [ 0.723632] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 0.727539] io scheduler noop registered [ 0.727569] io scheduler deadline registered [ 0.727600] io scheduler cfq registered (default) [ 0.731262] pinctrl-single 4a100040.pinmux: 203 pins at pa fc100040 size 406 [ 0.731658] pinctrl-single 4a31e040.pinmux: 28 pins at pa fc31e040 size 56 [ 0.736236] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 0.740631] omap_uart 4806a000.serial: no wakeirq for uart0 [ 0.740631] of_get_named_gpiod_flags: can't parse 'rts-gpio' property of node '/ocp/serial@4806a000[0]' [ 0.741058] 4806a000.serial: ttyO0 at MMIO 0x4806a000 (irq = 226, base_baud = 3000000) is a OMAP UART0 [ 0.742309] of_get_named_gpiod_flags: can't parse 'rts-gpio' property of node '/ocp/serial@4806c000[0]' [ 0.742523] 4806c000.serial: ttyO1 at MMIO 0x4806c000 (irq = 227, base_baud = 3000000) is a OMAP UART1 [ 0.743316] of_get_named_gpiod_flags: can't parse 'rts-gpio' property of node '/ocp/serial@48020000[0]' [ 0.743499] 48020000.serial: ttyO2 at MMIO 0x48020000 (irq = 228, base_baud = 3000000) is a OMAP UART2 [ 1.294769] console [ttyO2] enabled [ 1.297576] of_get_named_gpiod_flags: can't parse 'rts-gpio' property of node '/ocp/serial@4806e000[0]' [ 1.302856] 4806e000.serial: ttyO3 at MMIO 0x4806e000 (irq = 229, base_baud = 3000000) is a OMAP UART3 [ 1.332733] brd: module loaded [ 1.350280] loop: module loaded [ 1.354644] mtdoops: mtd device (mtddev=name/number) must be supplied [ 1.368041] mousedev: PS/2 mouse device common for all mice [ 1.371124] i2c /dev entries driver [ 1.374206] omap_hsmmc 4809c000.mmc: GPIO lookup for consumer cd [ 1.377471] omap_hsmmc 4809c000.mmc: using device tree for GPIO lookup [ 1.381042] of_get_named_gpiod_flags: can't parse 'cd-gpios' property of node '/ocp/mmc@4809c000[0]' [ 1.385986] of_get_named_gpiod_flags: can't parse 'cd-gpio' property of node '/ocp/mmc@4809c000[0]' [ 1.390869] omap_hsmmc 4809c000.mmc: using lookup tables for GPIO lookup [ 1.394500] omap_hsmmc 4809c000.mmc: lookup for GPIO cd failed [ 1.397644] omap_hsmmc 4809c000.mmc: GPIO lookup for consumer wp [ 1.400909] omap_hsmmc 4809c000.mmc: using device tree for GPIO lookup [ 1.404449] of_get_named_gpiod_flags: can't parse 'wp-gpios' property of node '/ocp/mmc@4809c000[0]' [ 1.409393] of_get_named_gpiod_flags: can't parse 'wp-gpio' property of node '/ocp/mmc@4809c000[0]' [ 1.414276] omap_hsmmc 4809c000.mmc: using lookup tables for GPIO lookup [ 1.417907] omap_hsmmc 4809c000.mmc: lookup for GPIO wp failed [ 1.450531] omap_hsmmc 480d5000.mmc: GPIO lookup for consumer wp [ 1.453796] omap_hsmmc 480d5000.mmc: using device tree for GPIO lookup [ 1.457305] of_get_named_gpiod_flags: can't parse 'wp-gpios' property of node '/ocp/mmc@480d5000[0]' [ 1.462280] of_get_named_gpiod_flags: can't parse 'wp-gpio' property of node '/ocp/mmc@480d5000[0]' [ 1.467163] omap_hsmmc 480d5000.mmc: using lookup tables for GPIO lookup [ 1.470825] omap_hsmmc 480d5000.mmc: lookup for GPIO wp failed [ 1.499755] ledtrig-cpu: registered to indicate activity on CPUs [ 1.504028] oprofile: no performance counters [ 1.507385] oprofile: using timer interrupt. [ 1.510406] Initializing XFRM netlink socket [ 1.513031] NET: Registered protocol family 10 [ 1.517639] sit: IPv6 over IPv4 tunneling driver [ 1.521850] NET: Registered protocol family 17 [ 1.524322] NET: Registered protocol family 15 [ 1.527008] Key type dns_resolver registered [ 1.529602] twl: not initialized [ 1.531372] twl6030_uv_to_vsel:OUT OF RANGE! non mapped vsel for 1375000 Vs max 1316660 [ 1.535675] twl6030_uv_to_vsel:OUT OF RANGE! non mapped vsel for 1375000 Vs max 1316660 [ 1.540039] twl6030_uv_to_vsel:OUT OF RANGE! non mapped vsel for 1375000 Vs max 1316660 [ 1.544372] twl6030_uv_to_vsel:OUT OF RANGE! non mapped vsel for 1375000 Vs max 1316660 [ 1.548706] twl6030_uv_to_vsel:OUT OF RANGE! non mapped vsel for 1375000 Vs max 1316660 [ 1.553039] twl6030_uv_to_vsel:OUT OF RANGE! non mapped vsel for 1375000 Vs max 1316660 [ 1.557373] twl6030_uv_to_vsel:OUT OF RANGE! non mapped vsel for 1410000 Vs max 1316660 [ 1.561737] omap2_set_init_voltage: unable to find boot up OPP for vdd_mpu [ 1.565460] omap2_set_init_voltage: unable to set vdd_mpu [ 1.568389] omap2_set_init_voltage: unable to find boot up OPP for vdd_core [ 1.572174] omap2_set_init_voltage: unable to set vdd_core [ 1.575134] omap2_set_init_voltage: unable to find boot up OPP for vdd_iva [ 1.578857] omap2_set_init_voltage: unable to set vdd_iva [ 1.583557] Power Management for TI OMAP4+ devices. [ 1.586212] OMAP4 PM: u-boot >= v2012.07 is required for full PM support [ 1.590148] ThumbEE CPU extension supported. [ 1.590148] Registering SWP/SWPB emulation handler [ 1.590148] SmartReflex Class3 initialized [ 1.602478] of_get_named_gpiod_flags: parsed 'gpio' property of node '/wl12xx_vmmc[0]' - status (0) [ 1.611419] Skipping twl internal clock init and using bootloader value (unknown osc rate) [ 1.640289] twl 0-0048: PIH (irq 337) nested IRQs [ 1.661285] twl6040 0-004b: clk32k is not handled [ 1.669342] of_get_named_gpiod_flags: parsed 'ti,audpwron-gpio' property of node '/ocp/i2c@48070000/twl@4b[0]' - status (0) [ 1.677154] omap_i2c 48070000.i2c: bus 0 rev0.10 at 400 kHz [ 1.682800] omap_i2c 48072000.i2c: bus 1 rev0.10 at 400 kHz [ 1.687835] omap_i2c 48060000.i2c: bus 2 rev0.10 at 100 kHz [ 1.692321] omap_i2c 48350000.i2c: bus 3 rev0.10 at 400 kHz [ 1.692321] omap_hsmmc 4809c000.mmc: GPIO lookup for consumer cd [ 1.699310] omap_hsmmc 4809c000.mmc: using device tree for GPIO lookup [ 1.699340] of_get_named_gpiod_flags: can't parse 'cd-gpios' property of node '/ocp/mmc@4809c000[0]' [ 1.702880] of_get_named_gpiod_flags: can't parse 'cd-gpio' property of node '/ocp/mmc@4809c000[0]' [ 1.712738] omap_hsmmc 4809c000.mmc: using lookup tables for GPIO lookup [ 1.712738] omap_hsmmc 4809c000.mmc: lookup for GPIO cd failed [ 1.719573] omap_hsmmc 4809c000.mmc: GPIO lookup for consumer wp [ 1.722839] omap_hsmmc 4809c000.mmc: using device tree for GPIO lookup [ 1.722839] of_get_named_gpiod_flags: can't parse 'wp-gpios' property of node '/ocp/mmc@4809c000[0]' [ 1.722839] of_get_named_gpiod_flags: can't parse 'wp-gpio' property of node '/ocp/mmc@4809c000[0]' [ 1.736236] omap_hsmmc 4809c000.mmc: using lookup tables for GPIO lookup [ 1.739898] omap_hsmmc 4809c000.mmc: lookup for GPIO wp failed [ 1.739898] omap_hsmmc 4809c000.mmc: omap_device: omap_device_enable() called from invalid state 1 [ 1.808898] omap_hsmmc 480d5000.mmc: GPIO lookup for consumer wp [ 1.812957] omap_hsmmc 480d5000.mmc: using device tree for GPIO lookup [ 1.816497] of_get_named_gpiod_flags: can't parse 'wp-gpios' property of node '/ocp/mmc@480d5000[0]' [ 1.816497] of_get_named_gpiod_flags: can't parse 'wp-gpio' property of node '/ocp/mmc@480d5000[0]' [ 1.826385] omap_hsmmc 480d5000.mmc: using lookup tables for GPIO lookup [ 1.830047] omap_hsmmc 480d5000.mmc: lookup for GPIO wp failed [ 1.830047] omap_hsmmc 480d5000.mmc: omap_device: omap_device_enable() called from invalid state 1 [ 1.949066] hw-breakpoint: Failed to enable monitor mode on CPU 0. [ 1.959655] mmc0: host does not support reading read-only switch, assuming write-enable [ 1.964782] mmc0: new SD card at address aaaa [ 1.969329] hctosys: unable to open rtc device (rtc0) [ 1.969451] mmcblk0: mmc0:aaaa SD02G 1.89 GiB [ 1.973693] sr_init: No PMIC hook to init smartreflex [ 1.977539] smartreflex smartreflex.0: omap_sr_probe: SmartReflex driver initialized [ 1.977722] mmcblk0: p1 p2 [ 1.983856] smartreflex smartreflex.1: omap_sr_probe: SmartReflex driver initialized [ 1.988433] smartreflex smartreflex.2: omap_sr_probe: SmartReflex driver initialized [ 2.019195] vwl1271: disabling [ 2.026123] hw-breakpoint: CPU 0 failed to disable vector catch [ 2.033081] VDAC: disabling [ 2.035217] VANA: disabling [ 2.037353] VUSB: disabling [ 2.044738] EXT4-fs (mmcblk0p2): mounting ext3 file system using the ext4 subsystem [ 3.923553] EXT4-fs (mmcblk0p2): recovery complete [ 3.930572] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null) [ 3.930572] VFS: Mounted root (ext3 filesystem) on device 179:2. [ 3.945465] devtmpfs: mounted [ 3.947601] Freeing unused kernel memory: 456K (c08d8000 - c094a000) modprobe: FATAL: Could not load /lib/modules/4.5.0-rc1-196863-g1c96bee/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[ 4.867156] udevd[137]: starting version 172 . Synthesizing the initial hotplug events...done. Waiting for /dev to be fully populated...done. Activating swap...done. [ 6.511596] 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. [ 8.418273] random: dd urandom read with 55 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-rc1-196863-g1c96bee #1 SMP Thu Feb 25 00:30:14 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:365,RET:0,INA:0,ON:366,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:12,RET:0,INA:0,ON:11,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:334,INA:0,ON:335,RET-LOGIC-OFF:324,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 cpu1_pwrdm (ON),OFF:364,RET:0,INA:0,ON:365,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cpu0_pwrdm (ON),OFF:334,RET:0,INA:0,ON:335,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:365,RET:366,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 [ 18.760589] PM: Syncing filesystems ... done. [ 20.166503] PM: Preparing system for sleep (mem) [ 20.177398] Freezing user space processes ... (elapsed 0.002 seconds) done. [ 20.182037] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done. [ 20.190124] PM: Suspending system (mem) [ 20.190124] Suspending console(s) (use no_console_suspend to debug) [ 20.205566] PM: suspend of devices complete after 7.415 msecs [ 20.208038] PM: late suspend of devices complete after 2.471 msecs [ 20.212738] PM: noirq suspend of devices complete after 4.699 msecs [ 20.212738] Disabling non-boot CPUs ... [ 20.218414] [ 20.218414] =============================== [ 20.218414] [ INFO: suspicious RCU usage. ] [ 20.218414] 4.5.0-rc1-196863-g1c96bee #1 Not tainted [ 20.218414] ------------------------------- [ 20.218414] kernel/sched/fair.c:5059 suspicious rcu_dereference_check() usage! [ 20.218444] [ 20.218444] other info that might help us debug this: [ 20.218444] [ 20.218444] [ 20.218444] RCU used illegally from offline CPU! [ 20.218444] rcu_scheduler_active = 1, debug_locks = 0 [ 20.218444] 3 locks held by swapper/1/0: [ 20.218505] #0: ((cpu_died).wait.lock){......}, at: [] complete+0x14/0x44 [ 20.218505] #1: (&p->pi_lock){-.-.-.}, at: [] try_to_wake_up+0x30/0x450 [ 20.218505] #2: (rcu_read_lock){......}, at: [] select_task_rq_fair+0x44/0xb5c [ 20.218505] [ 20.218505] stack backtrace: [ 20.218505] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.5.0-rc1-196863-g1c96bee #1 [ 20.218505] Hardware name: Generic OMAP4 (Flattened Device Tree) [ 20.218505] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 20.218658] [] (show_stack) from [] (dump_stack+0x80/0x9c) [ 20.218658] [] (dump_stack) from [] (select_task_rq_fair+0x970/0xb5c) [ 20.218658] [] (select_task_rq_fair) from [] (try_to_wake_up+0x140/0x450) [ 20.218688] [] (try_to_wake_up) from [] (__wake_up_common+0x4c/0x80) [ 20.218688] [] (__wake_up_common) from [] (__wake_up_locked+0x14/0x1c) [ 20.218719] [] (__wake_up_locked) from [] (complete+0x34/0x44) [ 20.218719] [] (complete) from [] (arch_cpu_idle_dead+0x34/0x9c) [ 20.218719] [] (arch_cpu_idle_dead) from [] (cpu_startup_entry+0x32c/0x374) [ 20.218749] [] (cpu_startup_entry) from [<8000960c>] (0x8000960c) [ 20.218780] CPU1: shutdown [ 20.510345] Powerdomain (core_pwrdm) didn't enter target state 1 [ 20.510345] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 20.510345] Powerdomain (tesla_pwrdm) didn't enter target state 1 [ 20.510345] Powerdomain (ivahd_pwrdm) didn't enter target state 1 [ 20.510345] Powerdomain (l3init_pwrdm) didn't enter target state 1 [ 20.510345] Powerdomain (l4per_pwrdm) didn't enter target state 1 [ 20.510345] Could not enter target state in pm_suspend [ 20.510345] A possible cause could be an old bootloader - try u-boot >= v2012.07 [ 20.510437] Enabling non-boot CPUs ... [ 20.561218] CPU1 is up [ 20.562377] PM: noirq resume of devices complete after 1.129 msecs [ 20.563629] PM: early resume of devices complete after 0.793 msecs [ 20.564788] PM: resume of devices complete after 1.129 msecs [ 20.710998] PM: Finishing wakeup. [ 20.712799] 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:568,RET:0,INA:0,ON:569,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:12,RET:0,INA:0,ON:11,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:523,INA:0,ON:524,RET-LOGIC-OFF:505,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 cpu1_pwrdm (ON),OFF:567,RET:0,INA:0,ON:568,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cpu0_pwrdm (ON),OFF:523,RET:0,INA:0,ON:524,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:568,RET:569,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 [ 22.749542] PM: Syncing filesystems ... done. [ 22.753234] PM: Preparing system for sleep (mem) [ 22.755889] Freezing user space processes ... (elapsed 0.004 seconds) done. [ 22.760803] Freezing remaining freezable tasks ... (elapsed 0.005 seconds) done. [ 22.766235] PM: Suspending system (mem) [ 22.769805] Suspending console(s) (use no_console_suspend to debug) [ 22.778076] PM: suspend of devices complete after 4.791 msecs [ 22.779205] PM: late suspend of devices complete after 1.098 msecs [ 22.780822] PM: noirq suspend of devices complete after 1.617 msecs [ 22.780822] Disabling non-boot CPUs ... [ 22.781951] CPU1: shutdown [ 22.830627] Powerdomain (core_pwrdm) didn't enter target state 1 [ 22.830627] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 22.830627] Powerdomain (tesla_pwrdm) didn't enter target state 1 [ 22.830627] Powerdomain (ivahd_pwrdm) didn't enter target state 1 [ 22.830627] Powerdomain (l3init_pwrdm) didn't enter target state 1 [ 22.830627] Powerdomain (l4per_pwrdm) didn't enter target state 1 [ 22.830627] Could not enter target state in pm_suspend [ 22.830627] A possible cause could be an old bootloader - try u-boot >= v2012.07 [ 22.830688] Enabling non-boot CPUs ... [ 22.881225] CPU1 is up [ 22.882476] PM: noirq resume of devices complete after 1.251 msecs [ 22.883728] PM: early resume of devices complete after 0.823 msecs [ 22.884765] PM: resume of devices complete after 1.007 msecs [ 22.938781] PM: Finishing wakeup. [ 22.940582] 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:647,RET:0,INA:0,ON:648,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:12,RET:0,INA:0,ON:11,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:598,INA:0,ON:599,RET-LOGIC-OFF:578,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 cpu1_pwrdm (ON),OFF:646,RET:0,INA:0,ON:647,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cpu0_pwrdm (ON),OFF:598,RET:0,INA:0,ON:599,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:647,RET:648,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/[ 25.832855] random: nonblocking pool is initialized platform/drivers/omap_uart/*.serial | pa ste -s -d' '`; do echo 3000 > $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 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:869,RET:0,INA:0,ON:870,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:12,RET:0,INA:0,ON:11,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:810,INA:0,ON:811,RET-LOGIC-OFF:780,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 cpu1_pwrdm (ON),OFF:868,RET:0,INA:0,ON:869,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cpu0_pwrdm (ON),OFF:810,RET:0,INA:0,ON:811,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:869,RET:870,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)