U-Boot SPL 2012.07-00012-g391a28d (Dec 30 2012 - 17:40:39) OMAP4460 ES1.1 OMAP SD/MMC: 0 reading u-boot.img reading u-boot.bin mkimage signature not found - ih_magic = ea000014 reading u-boot.bin U-Boot 2012.07-00012-g391a28d (Dec 30 2012 - 17:40:39) CPU : OMAP4460 ES1.1 Board: OMAP4 Variscite SOM I2C: ready DRAM: 1 GiB MMC: OMAP SD/MMC: 0 Using default environment In: serial Out: serial Err: serial Net: Net Initialization Skipped No ethernet found. checking for preEnv.txt reading preEnv.txt 0 bytes read Loaded environment from preEnv.txt Importing preboot environment from mmc ... Hit any key to stop autoboot: 3  0 VAR-SOM-OM44 # VAR-SOM-OM44 # setenv bootargs 'console=ttyO2,115200n8 mem=1G@0x80000000 root=/dev/mmcblk1p2 ro rootwait earlyprintk ignore_loglevel fixrtc phy.smsc.gb_enable=false video=HDMI-A-1:1920x1080@60' VAR-SOM-OM44 # loady 0x81000000 ## Ready for binary (ymodem) download to 0x81000000 at 115200 bps... CSending: uImage-dtb.omap4-var-som Sending: Transfer complete - CRC mode, 2(SOH)/4310(STX)/0(CAN) packets, 3 retries ## Total Size = 0x004357d9 = 4413401 Bytes VAR-SOM-OM44 # bootm 0x81000000 ## Booting kernel from Legacy Image at 81000000 ... Image Name: Linux- Image Type: ARM Linux Kernel Image (uncompressed) Data Size: 4413337 Bytes = 4.2 MiB Load Address: 80008000 Entry Point: 80008000 Verifying Checksum ... OK Loading Kernel Image ... OK OK Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 3.16.0-80097-g19583ca (paul@knihy) (gcc version 4.7.2 (Debian 4.7.2-5) ) #1 SMP Mon Aug 4 18:30:51 MDT 2014 [ 0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] Machine model: Variscite OMAP4 SOM [ 0.000000] debug: ignoring loglevel setting. [ 0.000000] cma: CMA: reserved 16 MiB at ae800000 [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] On node 0 totalpages: 261888 [ 0.000000] free_area_init_node: node 0, pgdat c08c2c00, node_mem_map edff1000 [ 0.000000] Normal zone: 1520 pages used for memmap [ 0.000000] Normal zone: 0 pages reserved [ 0.000000] Normal zone: 194560 pages, LIFO batch:31 [ 0.000000] HighMem zone: 526 pages used for memmap [ 0.000000] HighMem zone: 67328 pages, LIFO batch:15 [ 0.000000] OMAP4460 ES1.1 [ 0.000000] L2C: platform modifies aux control register: 0x0e070000 -> 0x3e470000 [ 0.000000] L2C: DT/platform modifies aux control register: 0x0e070000 -> 0x3e470000 [ 0.000000] L2C-310 enabling early BRESP for Cortex-A9 [ 0.000000] L2C-310 ID prefetch enabled, offset 1 lines [ 0.000000] OMAP L2C310: ROM does not support power control setting [ 0.000000] L2C-310 dynamic clock gating disabled, standby mode disabled [ 0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB [ 0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x7e470000 [ 0.000000] PERCPU: Embedded 9 pages/cpu @edf9e000 s14336 r8192 d14336 u36864 [ 0.000000] pcpu-alloc: s14336 r8192 d14336 u36864 alloc=9*4096 [ 0.000000] pcpu-alloc: [0] 0 [0] 1 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 260368 [ 0.000000] Kernel command line: console=ttyO2,115200n8 mem=1G@0x80000000 root=/dev/mmcblk1p2 ro rootwait earlyprintk ignore_loglevel fixrtc phy.smsc.gb_enable=false video=HDMI-A-1:1920x1080@60 [ 0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes) [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes) [ 0.000000] Memory: 1004564K/1047552K available (5663K kernel code, 681K rwdata, 2200K rodata, 406K init, 8209K bss, 42988K reserved, 269312K highmem) [ 0.000000] Virtual kernel memory layout: [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB) [ 0.000000] fixmap : 0xffc00000 - 0xffe00000 (2048 kB) [ 0.000000] vmalloc : 0xf0000000 - 0xff000000 ( 240 MB) [ 0.000000] lowmem : 0xc0000000 - 0xef800000 ( 760 MB) [ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB) [ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB) [ 0.000000] .text : 0xc0008000 - 0xc07b602c (7865 kB) [ 0.000000] .init : 0xc07b7000 - 0xc081c800 ( 406 kB) [ 0.000000] .data : 0xc081e000 - 0xc08c8570 ( 682 kB) [ 0.000000] .bss : 0xc08c8570 - 0xc10cca60 (8210 kB) [ 0.000000] Hierarchical RCU implementation. [ 0.000000] NR_IRQS:16 nr_irqs:16 16 [ 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] sched_clock: 32 bits at 32kHz, resolution 30517ns, wraps every 65536000000000ns [ 0.000030] OMAP clocksource: 32k_counter at 32768 Hz [ 0.000122] smp_twd: clock not found -2 [ 0.001647] Console: colour dummy device 80x30 [ 0.001708] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.001708] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.001708] ... MAX_LOCK_DEPTH: 48 [ 0.001739] ... MAX_LOCKDEP_KEYS: 8191 [ 0.001739] ... CLASSHASH_SIZE: 4096 [ 0.001739] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.001739] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.001770] ... CHAINHASH_SIZE: 32768 [ 0.001770] memory used by lock dependency info: 5167 kB [ 0.001770] per task-struct memory footprint: 1152 bytes [ 0.001831] Calibrating local timer... 347.71MHz. [ 0.059020] Calibrating delay loop... 1384.44 BogoMIPS (lpj=6922240) [ 0.148437] pid_max: default: 32768 minimum: 301 [ 0.148895] Security Framework initialized [ 0.149017] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.149047] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.151336] CPU: Testing write buffer coherency: ok [ 0.152404] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.152496] Setting up static identity map for 0x8055db40 - 0x8055dbb0 [ 0.158050] CPU1: Booted secondary processor [ 0.188140] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.188720] Brought up 2 CPUs [ 0.188751] SMP: Total of 2 processors activated. [ 0.188751] CPU: All CPU(s) started in SVC mode. [ 0.191406] devtmpfs: initialized [ 0.200805] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 [ 0.204895] omap_hwmod: l3_main_3 using broken dt data from ocp [ 0.208740] omap_hwmod: l3_main_2 using broken dt data from ocp [ 0.369079] pinctrl core: initialized pinctrl subsystem [ 0.371612] regulator-dummy: no parameters [ 0.415222] NET: Registered protocol family 16 [ 0.421112] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.423187] cpuidle: using governor ladder [ 0.423217] cpuidle: using governor menu [ 0.437072] gpiochip_add: registered GPIOs 0 to 31 on device: gpio [ 0.437896] OMAP GPIO hardware version 0.1 [ 0.439056] gpiochip_add: registered GPIOs 32 to 63 on device: gpio [ 0.440673] gpiochip_add: registered GPIOs 64 to 95 on device: gpio [ 0.442291] gpiochip_add: registered GPIOs 96 to 127 on device: gpio [ 0.443878] gpiochip_add: registered GPIOs 128 to 159 on device: gpio [ 0.445465] gpiochip_add: registered GPIOs 160 to 191 on device: gpio [ 0.446838] omap-gpmc 50000000.gpmc: GPMC revision 6.0 [ 0.465057] platform 4b501000.aes: Cannot lookup hwmod 'aes' [ 0.465515] platform 480a5000.des: Cannot lookup hwmod 'des' [ 0.467651] No ATAGs? [ 0.467742] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 0.467742] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 0.470123] OMAP DMA hardware revision 0.0 [ 0.521942] edma-dma-engine edma-dma-engine.0: Can't allocate PaRAM dummy slot [ 0.522003] edma-dma-engine: probe of edma-dma-engine.0 failed with error -5 [ 0.556243] omap-dma-engine 4a056000.dma-controller: OMAP DMA engine driver [ 0.557037] of_get_named_gpiod_flags: can't parse gpios property of node '/fixedregulator@0[0]' [ 0.557678] VDD_ETH: 3300 mV [ 0.561981] SCSI subsystem initialized [ 0.562774] usbcore: registered new interface driver usbfs [ 0.562927] usbcore: registered new interface driver hub [ 0.564270] usbcore: registered new device driver usb [ 0.583221] omap_i2c 48070000.i2c: bus 0 rev0.11 at 400 kHz [ 0.584320] omap_i2c 48072000.i2c: bus 1 rev0.11 at 400 kHz [ 0.587158] omap_i2c 48060000.i2c: bus 2 rev0.11 at 400 kHz [ 0.588073] omap_i2c 48350000.i2c: bus 3 rev0.11 at 400 kHz [ 0.592285] Switched to clocksource 32k_counter [ 0.722015] NET: Registered protocol family 2 [ 0.724029] TCP established hash table entries: 8192 (order: 3, 32768 bytes) [ 0.724273] TCP bind hash table entries: 8192 (order: 6, 294912 bytes) [ 0.726867] TCP: Hash tables configured (established 8192 bind 8192) [ 0.727081] TCP: reno registered [ 0.727142] UDP hash table entries: 512 (order: 3, 40960 bytes) [ 0.727478] UDP-Lite hash table entries: 512 (order: 3, 40960 bytes) [ 0.728698] NET: Registered protocol family 1 [ 0.729858] RPC: Registered named UNIX socket transport module. [ 0.729888] RPC: Registered udp transport module. [ 0.729888] RPC: Registered tcp transport module. [ 0.729919] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.736114] futex hash table entries: 512 (order: 3, 32768 bytes) [ 0.741638] VFS: Disk quotas dquot_6.5.2 [ 0.741790] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) [ 0.743957] NFS: Registering the id_resolver key type [ 0.744293] Key type id_resolver registered [ 0.744293] Key type id_legacy registered [ 0.744445] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 0.745025] msgmni has been set to 1468 [ 0.747833] bounce: pool size: 64 pages [ 0.747924] io scheduler noop registered [ 0.747955] io scheduler deadline registered [ 0.748046] io scheduler cfq registered (default) [ 0.750427] omap-usb2 4a0ad080.usb2phy: unable to get wkupclk, trying old name [ 0.750457] omap-usb2 4a0ad080.usb2phy: found usb_phy_cm_clk32k, please fix DTS [ 0.752319] pinctrl-single 4a100040.pinmux: 203 pins at pa fc100040 size 406 [ 0.752777] pinctrl-single 4a31e040.pinmux: 28 pins at pa fc31e040 size 56 [ 0.755157] pbias_mmc_omap4: 1800 <--> 3000 mV at 3000 mV [ 0.756561] abb_mpu: 1025 <--> 1389 mV [ 0.757476] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 0.762847] omap_uart 4806a000.serial: no wakeirq for uart0 [ 0.762878] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/serial@4806a000[0]' [ 0.763305] 4806a000.serial: ttyO0 at MMIO 0x4806a000 (irq = 104, base_baud = 3000000) is a OMAP UART0 [ 0.764831] omap_uart 4806c000.serial: no wakeirq for uart0 [ 0.764862] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/serial@4806c000[0]' [ 0.765106] 4806c000.serial: ttyO1 at MMIO 0x4806c000 (irq = 105, base_baud = 3000000) is a OMAP UART1 [ 0.766143] omap_uart 48020000.serial: no wakeirq for uart0 [ 0.766174] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/serial@48020000[0]' [ 0.766387] 48020000.serial: ttyO2 at MMIO 0x48020000 (irq = 106, base_baud = 3000000) is a OMAP UART2 [ 1.700012] console [ttyO2] enabled [ 1.704864] omap_uart 4806e000.serial: no wakeirq for uart0 [ 1.710693] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/serial@4806e000[0]' [ 1.720397] 4806e000.serial: ttyO3 at MMIO 0x4806e000 (irq = 102, base_baud = 3000000) is a OMAP UART3 [ 1.751586] brd: module loaded [ 1.767059] loop: module loaded [ 1.772186] Skipping twl internal clock init and using bootloader value (unknown osc rate) [ 1.782531] twl 0-0048: PIH (irq 39) nested IRQs [ 1.789825] VAUX1_6030: 1000 <--> 3000 mV at 2800 mV [ 1.797088] VAUX2_6030: 1200 <--> 2800 mV at 1800 mV [ 1.804138] VAUX3_6030: 1000 <--> 3000 mV at 1200 mV [ 1.811187] VMMC: 1200 <--> 3000 mV at 3000 mV [ 1.817657] VPP: 1800 <--> 2500 mV at 1900 mV [ 1.824066] VUSIM: 1200 <--> 2900 mV [ 1.829315] VDAC: 1800 mV [ 1.833343] VANA: 2100 mV [ 1.837829] VCXIO: 1800 mV [ 1.841857] VUSB: 3300 mV [ 1.846435] V1V8: 1800 mV [ 1.850921] V2V1: 2100 mV [ 1.858947] mtdoops: mtd device (mtddev=name/number) must be supplied [ 1.872528] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/spi@48098000/eth@0[0]' [ 1.882263] spi1.0 supply vdd-io not found, using dummy regulator [ 1.889282] ks8851 spi1.0: message enable is 0 [ 1.899749] ks8851 spi1.0 eth0: revision 1, MAC da:5c:90:bd:4d:7d, IRQ 331, no EEPROM [ 1.910186] usbcore: registered new interface driver asix [ 1.916015] usbcore: registered new interface driver ax88179_178a [ 1.922546] usbcore: registered new interface driver cdc_ether [ 1.928802] usbcore: registered new interface driver smsc95xx [ 1.934997] usbcore: registered new interface driver net1080 [ 1.941040] usbcore: registered new interface driver cdc_subset [ 1.947387] usbcore: registered new interface driver zaurus [ 1.953430] usbcore: registered new interface driver cdc_ncm [ 1.960235] usbcore: registered new interface driver cdc_wdm [ 1.966369] usbcore: registered new interface driver usb-storage [ 1.972869] usbcore: registered new interface driver usbtest [ 1.980712] mousedev: PS/2 mouse device common for all mice [ 1.989501] twl_rtc 48070000.i2c:twl@48:rtc: Power up reset detected. [ 1.997161] twl_rtc 48070000.i2c:twl@48:rtc: Enabling TWL-RTC [ 2.007476] twl_rtc 48070000.i2c:twl@48:rtc: rtc core: registered 48070000.i2c:twl@48 as rtc0 [ 2.016693] i2c /dev entries driver [ 2.023040] Driver for 1-wire Dallas network protocol. [ 2.031890] omap_wdt: OMAP Watchdog Timer Rev 0x01: initial timeout 60 sec [ 2.040771] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@4809c000[0]' [ 2.049926] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@4809c000[0]' [ 2.060058] omap_hsmmc 4809c000.mmc: pins are not configured from the driver [ 2.102355] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@480d5000[0]' [ 2.111724] of_get_named_gpiod_flags: can't parse gpios property of node '/ocp/mmc@480d5000[0]' [ 2.121337] 480d5000.mmc supply vmmc not found, using dummy regulator [ 2.128326] omap_hsmmc 480d5000.mmc: could not set regulator OCR (-22) [ 2.135223] omap_hsmmc 480d5000.mmc: pins are not configured from the driver [ 2.143035] omap_hsmmc 480d5000.mmc: could not set regulator OCR (-22) [ 2.180145] mmc0: host does not support reading read-only switch. assuming write-enable. [ 2.183044] ledtrig-cpu: registered to indicate activity on CPUs [ 2.183532] usbcore: registered new interface driver usbhid [ 2.183532] usbhid: USB HID core driver [ 2.184997] oprofile: no performance counters [ 2.186187] oprofile: using timer interrupt. [ 2.186767] TCP: cubic registered [ 2.186798] Initializing XFRM netlink socket [ 2.186920] NET: Registered protocol family 17 [ 2.186981] NET: Registered protocol family 15 [ 2.187255] Key type dns_resolver registered [ 2.188018] omap2_set_init_voltage: unable to find boot up OPP for vdd_mpu [ 2.188018] omap2_set_init_voltage: unable to set vdd_mpu [ 2.188018] omap2_set_init_voltage: unable to find boot up OPP for vdd_core [ 2.188049] omap2_set_init_voltage: unable to set vdd_core [ 2.188049] omap2_set_init_voltage: unable to find boot up OPP for vdd_iva [ 2.188049] omap2_set_init_voltage: unable to set vdd_iva [ 2.189910] Power Management for TI OMAP4+ devices. [ 2.189971] Power Management for TI OMAP4. [ 2.189971] OMAP4 PM: u-boot >= v2012.07 is required for full PM support [ 2.291625] ThumbEE CPU extension supported. [ 2.296325] Registering SWP/SWPB emulation handler [ 2.296325] SmartReflex Class3 initialized [ 2.305938] mmc0: new high speed SDHC card at address 0007 [ 2.313964] mmcblk0: mmc0:0007 SD08G 7.42 GiB [ 2.321502] twl_rtc 48070000.i2c:twl@48:rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800) [ 2.331634] sr_init: No PMIC hook to init smartreflex [ 2.337432] mmcblk0: p1 p2 [ 2.337432] smartreflex smartreflex.0: omap_sr_probe: SmartReflex driver initialized [ 2.337432] smartreflex smartreflex.1: omap_sr_probe: SmartReflex driver initialized [ 2.338592] smartreflex smartreflex.2: omap_sr_probe: SmartReflex driver initialized [ 2.375488] VUSB: disabling [ 2.379119] VANA: disabling [ 2.382843] VDAC: disabling [ 2.387573] omap_hsmmc 480d5000.mmc: exceeding card's volts [ 2.397888] VAUX1_6030: disabling [ 2.402252] Waiting for root device /dev/mmcblk1p2... [ 2.592681] hw-breakpoint: Failed to enable monitor mode on CPU 0. [ 2.599670] hw-breakpoint: CPU 0 failed to disable vector catch [ 2.652648] mmc1: host does not support reading read-only switch. assuming write-enable. [ 2.663238] mmc1: new high speed SDHC card at address b368 [ 2.670257] mmcblk1: mmc1:b368 USD 3.75 GiB [ 2.678039] mmcblk1: p1 p2 [ 2.734893] EXT3-fs (mmcblk1p2): error: couldn't mount because of unsupported optional features (240) [ 2.746154] EXT2-fs (mmcblk1p2): error: couldn't mount because of unsupported optional features (244) [ 2.759918] EXT4-fs (mmcblk1p2): INFO: recovery required on readonly filesystem [ 2.767974] EXT4-fs (mmcblk1p2): write access will be enabled during recovery [ 4.985961] EXT4-fs (mmcblk1p2): recovery complete [ 5.450714] EXT4-fs (mmcblk1p2): mounted filesystem with ordered data mode. Opts: (null) [ 5.459503] VFS: Mounted root (ext4 filesystem) readonly on device 179:10. [ 5.468933] devtmpfs: mounted [ 5.468933] Freeing unused kernel memory: 404K (c07b7000 - c081c000) modprobe: FATAL: Could not load /lib/modules/3.16.0-80097-g19583ca/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[ 6.599517] udevd[857]: starting version 172 . Synthesizing the initial hotplug events...done. Waiting for /dev to be fully populated...[ 7.624450] random: nonblocking pool is initialized done. Activating swap...done. [ 8.524291] EXT4-fs (mmcblk1p2): warning: mounting fs with errors, running e2fsck is recommended [ 8.889282] EXT4-fs (mmcblk1p2): 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. 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: Sat Jan 1 00:00:12 UTC 2000 on ttyO2 Linux armel 3.16.0-80097-g19583ca #1 SMP Mon Aug 4 18:30:51 MDT 2014 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:~# 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:~# 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:256,RET:0,INA:0,ON:257,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 (RET),OFF:0,RET:3,INA:0,ON:3,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cam_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 ivahd_pwrdm (RET),OFF:1,RET:1,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:210,INA:0,ON:211,RET-LOGIC-OFF:198,RET-MEMBANK1-OFF:210,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 cpu1_pwrdm (ON),OFF:256,RET:0,INA:0,ON:257,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cpu0_pwrdm (ON),OFF:210,RET:0,INA:0,ON:211,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 tesla_pwrdm (RET),OFF:1,RET:1,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 dss_pwrdm (RET),OFF:0,RET:1,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 abe_pwrdm (ON),OFF:0,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 (2) 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 (5) 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 [ 23.331787] PM: Syncing filesystems ... done. [ 28.397216] PM: Preparing system for mem sleep [ 28.409179] Freezing user space processes ... (elapsed 0.002 seconds) done. [ 28.416503] Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done. [ 28.426513] PM: Entering mem sleep [ 28.432067] Suspending console(s) (use no_console_suspend to debug) [ 28.455749] PM: suspend of devices complete after 13.427 msecs [ 28.459991] PM: late suspend of devices complete after 4.241 msecs [ 28.465759] PM: noirq suspend of devices complete after 5.645 msecs [ 28.465759] Disabling non-boot CPUs ... [ 28.473175] CPU1: shutdown [ 28.474609] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 28.474609] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 28.474609] Could not enter target state in pm_suspend [ 28.474609] A possible cause could be an old bootloader - try u-boot >= v2012.07 [ 28.474639] Enabling non-boot CPUs ... [ 28.476745] CPU1: Booted secondary processor [ 28.478637] CPU1 is up [ 28.481475] PM: noirq resume of devices complete after 2.685 msecs [ 28.482238] PM: early resume of devices complete after 0.001 msecs [ 28.562805] omap_hsmmc 480d5000.mmc: could not set regulator OCR (-22) [ 28.646148] PM: resume of devices complete after 160.614 msecs [ 28.725616] PM: Finishing wakeup. [ 28.725616] 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:435,RET:0,INA:0,ON:436,RET-LOGIC-OFF:0 l4per_pwrdm (ON),OFF:0,RET:1,INA:0,ON:2,RET-LOGIC-OFF:1,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 l3init_pwrdm (RET),OFF:0,RET:5,INA:0,ON:5,RET-LOGIC-OFF:1,RET-MEMBANK1-OFF:0 cam_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 ivahd_pwrdm (RET),OFF:1,RET:1,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:383,INA:0,ON:384,RET-LOGIC-OFF:363,RET-MEMBANK1-OFF:383,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 cpu1_pwrdm (ON),OFF:435,RET:0,INA:0,ON:436,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cpu0_pwrdm (ON),OFF:385,RET:0,INA:0,ON:386,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 tesla_pwrdm (RET),OFF:1,RET:1,INA:0,ON:1,RET-LOGIC-OFF:1,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 dss_pwrdm (RET),OFF:0,RET:1,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 abe_pwrdm (ON),OFF:0,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:1,INA:0,ON:2,RET-LOGIC-OFF:1,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0,RET-MEMBANK5-OFF:1 l3_dma_clkdm->core_pwrdm (0) emu_sys_clkdm->emu_pwrdm (0) l4_wkup_clkdm->wkup_pwrdm (2) 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 (10) 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 [ 30.712738] PM: Syncing filesystems ... done. [ 30.764984] PM: Preparing system for mem sleep [ 30.771087] Freezing user space processes ... (elapsed 0.001 seconds) done. [ 30.778442] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done. [ 30.787902] PM: Entering mem sleep [ 30.794342] Suspending console(s) (use no_console_suspend to debug) [ 30.814270] PM: suspend of devices complete after 13.305 msecs [ 30.814361] PM: late suspend of devices complete after 0.001 msecs [ 30.823333] PM: noirq suspend of devices complete after 4.760 msecs [ 30.823455] Disabling non-boot CPUs ... [ 30.825317] CPU1: shutdown [ 30.827270] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 30.827270] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 30.827270] Could not enter target state in pm_suspend [ 30.827270] A possible cause could be an old bootloader - try u-boot >= v2012.07 [ 30.827301] Enabling non-boot CPUs ... [ 30.829162] CPU1: Booted secondary processor [ 30.829956] CPU1 is up [ 30.832824] PM: noirq resume of devices complete after 2.868 msecs [ 30.836486] PM: early resume of devices complete after 0.001 msecs [ 30.906249] omap_hsmmc 480d5000.mmc: could not set regulator OCR (-22) [ 31.001983] PM: resume of devices complete after 165.496 msecs [ 31.093872] PM: Finishing wakeup. [ 31.093872] 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:522,RET:0,INA:0,ON:523,RET-LOGIC-OFF:0 l4per_pwrdm (ON),OFF:0,RET:2,INA:0,ON:3,RET-LOGIC-OFF:2,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 l3init_pwrdm (RET),OFF:0,RET:7,INA:0,ON:7,RET-LOGIC-OFF:2,RET-MEMBANK1-OFF:0 cam_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 ivahd_pwrdm (RET),OFF:1,RET:1,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:468,INA:0,ON:469,RET-LOGIC-OFF:448,RET-MEMBANK1-OFF:468,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 cpu1_pwrdm (ON),OFF:522,RET:0,INA:0,ON:523,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cpu0_pwrdm (ON),OFF:470,RET:0,INA:0,ON:471,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 tesla_pwrdm (RET),OFF:1,RET:1,INA:0,ON:1,RET-LOGIC-OFF:2,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 dss_pwrdm (RET),OFF:0,RET:1,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 abe_pwrdm (ON),OFF:0,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:2,INA:0,ON:3,RET-LOGIC-OFF:2,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0,RET-MEMBANK5-OFF:2 l3_dma_clkdm->core_pwrdm (0) emu_sys_clkdm->emu_pwrdm (0) l4_wkup_clkdm->wkup_pwrdm (2) 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 (10) 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 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:618,RET:0,INA:0,ON:619,RET-LOGIC-OFF:0 l4per_pwrdm (ON),OFF:0,RET:4,INA:0,ON:5,RET-LOGIC-OFF:2,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 l3init_pwrdm (RET),OFF:0,RET:7,INA:0,ON:7,RET-LOGIC-OFF:2,RET-MEMBANK1-OFF:0 cam_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 ivahd_pwrdm (RET),OFF:1,RET:1,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:556,INA:0,ON:557,RET-LOGIC-OFF:530,RET-MEMBANK1-OFF:556,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 cpu1_pwrdm (ON),OFF:618,RET:0,INA:0,ON:619,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cpu0_pwrdm (ON),OFF:558,RET:0,INA:0,ON:559,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 tesla_pwrdm (RET),OFF:1,RET:1,INA:0,ON:1,RET-LOGIC-OFF:2,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 dss_pwrdm (RET),OFF:0,RET:1,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 abe_pwrdm (ON),OFF:0,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:2,INA:0,ON:3,RET-LOGIC-OFF:2,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0,RET-MEMBANK5-OFF:2 l3_dma_clkdm->core_pwrdm (0) emu_sys_clkdm->emu_pwrdm (0) l4_wkup_clkdm->wkup_pwrdm (2) 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 (2) 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)