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  2  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 m - CRC mode, 8(SOH)/4663(STX)/0(CAN) packets, 3 retries ## Total Size = 0x0048dec9 = 4775625 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: 4775561 Bytes = 4.6 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] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Initializing cgroup subsys cpuacct [ 0.000000] Linux version 3.19.0-rc7-119240-ge36f014 (paul@knihy) (gcc version 4.7.2 (Debian 4.7.2-5) ) #1 SMP Wed Feb 4 21:37:04 MST 2015 [ 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: Reserved 16 MiB at 0xbe800000 [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] On node 0 totalpages: 261888 [ 0.000000] free_area_init_node: node 0, pgdat c09718c0, node_mem_map eeef9000 [ 0.000000] Normal zone: 1710 pages used for memmap [ 0.000000] Normal zone: 0 pages reserved [ 0.000000] Normal zone: 194560 pages, LIFO batch:31 [ 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 11 pages/cpu @eeea3000 s14912 r8192 d21952 u45056 [ 0.000000] pcpu-alloc: s14912 r8192 d21952 u45056 alloc=11*4096 [ 0.000000] pcpu-alloc: [0] 0 [0] 1 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 260178 [ 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: 1002848K/1047552K available (6194K kernel code, 677K rwdata, 2360K rodata, 428K init, 8221K bss, 28320K reserved, 16384K cma-reserved, 252928K highmem) [ 0.000000] Virtual kernel memory layout: [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB) [ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 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 - 0xc0862de8 (8556 kB) [ 0.000000] .init : 0xc0863000 - 0xc08ce000 ( 428 kB) [ 0.000000] .data : 0xc08ce000 - 0xc09776e8 ( 678 kB) [ 0.000000] .bss : 0xc09776e8 - 0xc117ee50 (8222 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 [ 0.000030] sched_clock: 32 bits at 32kHz, resolution 30517ns, wraps every 65536000000000ns [ 0.000030] OMAP clocksource: 32k_counter at 32768 Hz [ 0.000183] smp_twd: clock not found -2 [ 0.001922] Console: colour dummy device 80x30 [ 0.001953] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.001983] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.001983] ... MAX_LOCK_DEPTH: 48 [ 0.001983] ... MAX_LOCKDEP_KEYS: 8191 [ 0.002014] ... CLASSHASH_SIZE: 4096 [ 0.002014] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.002014] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.002014] ... CHAINHASH_SIZE: 32768 [ 0.002044] memory used by lock dependency info: 5167 kB [ 0.002044] per task-struct memory footprint: 1152 bytes [ 0.002075] Calibrating local timer... 347.64MHz. [ 0.059020] Calibrating delay loop... 1384.44 BogoMIPS (lpj=6922240) [ 0.148437] pid_max: default: 32768 minimum: 301 [ 0.148803] Security Framework initialized [ 0.148986] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.148986] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.151916] Initializing cgroup subsys memory [ 0.151977] Initializing cgroup subsys devices [ 0.152069] Initializing cgroup subsys freezer [ 0.152130] Initializing cgroup subsys blkio [ 0.152221] Initializing cgroup subsys perf_event [ 0.152282] CPU: Testing write buffer coherency: ok [ 0.153442] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.153533] Setting up static identity map for 0x805decd0 - 0x805ded40 [ 0.198059] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.198730] Brought up 2 CPUs [ 0.198730] SMP: Total of 2 processors activated (2768.89 BogoMIPS). [ 0.198760] CPU: All CPU(s) started in SVC mode. [ 0.201538] devtmpfs: initialized [ 0.203643] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 [ 0.207733] omap_hwmod: l3_main_3 using broken dt data from ocp [ 0.211608] omap_hwmod: l3_main_2 using broken dt data from ocp [ 0.261840] ------------[ cut here ]------------ [ 0.261840] WARNING: CPU: 0 PID: 1 at arch/arm/mach-omap2/omap_hwmod.c:2458 _init+0x3a0/0x3f0() [ 0.261871] omap_hwmod: mailbox: doesn't have mpu register target base [ 0.261871] Modules linked in: [ 0.261901] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.19.0-rc7-119240-ge36f014 #1 [ 0.261901] Hardware name: Generic OMAP4 (Flattened Device Tree) [ 0.261932] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 0.261962] [] (show_stack) from [] (dump_stack+0x80/0x9c) [ 0.261993] [] (dump_stack) from [] (warn_slowpath_common+0x78/0xb4) [ 0.261993] [] (warn_slowpath_common) from [] (warn_slowpath_fmt+0x30/0x40) [ 0.262023] [] (warn_slowpath_fmt) from [] (_init+0x3a0/0x3f0) [ 0.262054] [] (_init) from [] (omap_hwmod_for_each+0x30/0x5c) [ 0.262054] [] (omap_hwmod_for_each) from [] (__omap_hwmod_setup_all+0x24/0x40) [ 0.262084] [] (__omap_hwmod_setup_all) from [] (do_one_initcall+0x80/0x1d8) [ 0.262115] [] (do_one_initcall) from [] (kernel_init_freeable+0x1f4/0x2cc) [ 0.262115] [] (kernel_init_freeable) from [] (kernel_init+0x8/0xe4) [ 0.262145] [] (kernel_init) from [] (ret_from_fork+0x14/0x24) [ 0.262207] ---[ end trace c198b8b80ae70a5e ]--- [ 0.372711] pinctrl core: initialized pinctrl subsystem [ 0.419464] NET: Registered protocol family 16 [ 0.424652] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.446563] cpuidle: using governor ladder [ 0.476257] cpuidle: using governor menu [ 0.485778] gpiochip_add: registered GPIOs 0 to 31 on device: gpio [ 0.486602] OMAP GPIO hardware version 0.1 [ 0.487731] gpiochip_add: registered GPIOs 32 to 63 on device: gpio [ 0.489501] gpiochip_add: registered GPIOs 64 to 95 on device: gpio [ 0.491180] gpiochip_add: registered GPIOs 96 to 127 on device: gpio [ 0.492889] gpiochip_add: registered GPIOs 128 to 159 on device: gpio [ 0.494567] gpiochip_add: registered GPIOs 160 to 191 on device: gpio [ 0.495941] omap-gpmc 50000000.gpmc: GPMC revision 6.0 [ 0.515594] platform 4b501000.aes: Cannot lookup hwmod 'aes' [ 0.516143] platform 480a5000.des: Cannot lookup hwmod 'des' [ 0.518218] No ATAGs? [ 0.518310] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 0.518341] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 0.520904] OMAP DMA hardware revision 0.0 [ 0.603332] omap-dma-engine 4a056000.dma-controller: OMAP DMA engine driver [ 0.604064] of_get_named_gpiod_flags: can't parse 'gpio' property of node '/fixedregulator@0[0]' [ 0.608245] SCSI subsystem initialized [ 0.608734] libata version 3.00 loaded. [ 0.609436] usbcore: registered new interface driver usbfs [ 0.609588] usbcore: registered new interface driver hub [ 0.609710] usbcore: registered new device driver usb [ 0.613922] omap_i2c 48070000.i2c: bus 0 rev0.11 at 400 kHz [ 0.614929] omap_i2c 48072000.i2c: bus 1 rev0.11 at 400 kHz [ 0.616668] omap_i2c 48060000.i2c: bus 2 rev0.11 at 400 kHz [ 0.617523] omap_i2c 48350000.i2c: bus 3 rev0.11 at 400 kHz [ 0.621673] Switched to clocksource 32k_counter [ 0.753692] NET: Registered protocol family 2 [ 0.755371] TCP established hash table entries: 8192 (order: 3, 32768 bytes) [ 0.755615] TCP bind hash table entries: 8192 (order: 6, 294912 bytes) [ 0.758178] TCP: Hash tables configured (established 8192 bind 8192) [ 0.758422] TCP: reno registered [ 0.758483] UDP hash table entries: 512 (order: 3, 40960 bytes) [ 0.758819] UDP-Lite hash table entries: 512 (order: 3, 40960 bytes) [ 0.760101] NET: Registered protocol family 1 [ 0.761169] RPC: Registered named UNIX socket transport module. [ 0.761169] RPC: Registered udp transport module. [ 0.761199] RPC: Registered tcp transport module. [ 0.761199] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.767395] futex hash table entries: 512 (order: 3, 32768 bytes) [ 0.767761] audit: initializing netlink subsys (disabled) [ 0.767913] audit: type=2000 audit(0.750:1): initialized [ 0.771881] VFS: Disk quotas dquot_6.5.2 [ 0.772003] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) [ 0.774108] NFS: Registering the id_resolver key type [ 0.774414] Key type id_resolver registered [ 0.774444] Key type id_legacy registered [ 0.774627] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 0.778320] bounce: pool size: 64 pages [ 0.778411] io scheduler noop registered [ 0.778442] io scheduler deadline registered [ 0.778564] io scheduler cfq registered (default) [ 0.781341] omap-usb2 4a0ad080.usb2phy: unable to get wkupclk, trying old name [ 0.781402] omap-usb2 4a0ad080.usb2phy: found usb_phy_cm_clk32k, please fix DTS [ 0.783355] pinctrl-single 4a100040.pinmux: 203 pins at pa fc100040 size 406 [ 0.783813] pinctrl-single 4a31e040.pinmux: 28 pins at pa fc31e040 size 56 [ 0.789642] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 0.794952] omap_uart 4806a000.serial: no wakeirq for uart0 [ 0.794952] of_get_named_gpiod_flags: can't parse 'rts-gpio' property of node '/ocp/serial@4806a000[0]' [ 0.795410] 4806a000.serial: ttyO0 at MMIO 0x4806a000 (irq = 225, base_baud = 3000000) is a OMAP UART0 [ 0.796997] omap_uart 4806c000.serial: no wakeirq for uart0 [ 0.797027] of_get_named_gpiod_flags: can't parse 'rts-gpio' property of node '/ocp/serial@4806c000[0]' [ 0.797241] 4806c000.serial: ttyO1 at MMIO 0x4806c000 (irq = 226, base_baud = 3000000) is a OMAP UART1 [ 0.798278] omap_uart 48020000.serial: no wakeirq for uart0 [ 0.798309] of_get_named_gpiod_flags: can't parse 'rts-gpio' property of node '/ocp/serial@48020000[0]' [ 0.798522] 48020000.serial: ttyO2 at MMIO 0x48020000 (irq = 227, base_baud = 3000000) is a OMAP UART2 [ 1.880645] console [ttyO2] enabled [ 1.885833] omap_uart 4806e000.serial: no wakeirq for uart0 [ 1.891754] of_get_named_gpiod_flags: can't parse 'rts-gpio' property of node '/ocp/serial@4806e000[0]' [ 1.901794] 4806e000.serial: ttyO3 at MMIO 0x4806e000 (irq = 228, base_baud = 3000000) is a OMAP UART3 [ 1.932159] brd: module loaded [ 1.946929] loop: module loaded [ 1.952209] Skipping twl internal clock init and using bootloader value (unknown osc rate) [ 1.972747] twl 0-0048: PIH (irq 326) nested IRQs [ 2.004669] mtdoops: mtd device (mtddev=name/number) must be supplied [ 2.018249] of_get_named_gpiod_flags: can't parse 'reset-gpios' property of node '/ocp/spi@48098000/eth@0[0]' [ 2.028656] spi1.0 supply vdd-io not found, using dummy regulator [ 2.035705] ks8851 spi1.0: message enable is 0 [ 2.046478] ks8851 spi1.0 eth0: revision 1, MAC 56:bb:c3:6d:e5:39, IRQ 201, no EEPROM [ 2.056762] usbcore: registered new interface driver asix [ 2.062591] usbcore: registered new interface driver ax88179_178a [ 2.069091] usbcore: registered new interface driver cdc_ether [ 2.075347] usbcore: registered new interface driver smsc95xx [ 2.081481] usbcore: registered new interface driver net1080 [ 2.087554] usbcore: registered new interface driver cdc_subset [ 2.093872] usbcore: registered new interface driver zaurus [ 2.099884] usbcore: registered new interface driver cdc_ncm [ 2.106750] usbcore: registered new interface driver cdc_wdm [ 2.112854] usbcore: registered new interface driver usb-storage [ 2.119293] usbcore: registered new interface driver usbtest [ 2.127319] mousedev: PS/2 mouse device common for all mice [ 2.136077] twl_rtc 48070000.i2c:twl@48:rtc: Power up reset detected. [ 2.143798] twl_rtc 48070000.i2c:twl@48:rtc: Enabling TWL-RTC [ 2.153991] twl_rtc 48070000.i2c:twl@48:rtc: rtc core: registered 48070000.i2c:twl@48 as rtc0 [ 2.163177] i2c /dev entries driver [ 2.169342] Driver for 1-wire Dallas network protocol. [ 2.178314] omap_wdt: OMAP Watchdog Timer Rev 0x01: initial timeout 60 sec [ 2.186553] Driver 'mmcblk' needs updating - please use bus_type methods [ 2.194488] of_get_named_gpiod_flags: can't parse 'cd-gpios' property of node '/ocp/mmc@4809c000[0]' [ 2.204040] of_get_named_gpiod_flags: can't parse 'wp-gpios' property of node '/ocp/mmc@4809c000[0]' [ 2.251770] of_get_named_gpiod_flags: can't parse 'cd-gpios' property of node '/ocp/mmc@480d5000[0]' [ 2.261383] of_get_named_gpiod_flags: can't parse 'wp-gpios' property of node '/ocp/mmc@480d5000[0]' [ 2.271423] 480d5000.mmc supply vmmc not found, using dummy regulator [ 2.278411] omap_hsmmc 480d5000.mmc: could not set regulator OCR (-22) [ 2.285583] omap_hsmmc 480d5000.mmc: could not set regulator OCR (-22) [ 2.319793] mmc0: host does not support reading read-only switch, assuming write-enable [ 2.330474] mmc0: new high speed SDHC card at address 0007 [ 2.332519] ledtrig-cpu: registered to indicate activity on CPUs [ 2.332946] usbcore: registered new interface driver usbhid [ 2.332946] usbhid: USB HID core driver [ 2.334411] oprofile: no performance counters [ 2.335388] oprofile: using timer interrupt. [ 2.336029] TCP: cubic registered [ 2.336090] Initializing XFRM netlink socket [ 2.336181] NET: Registered protocol family 17 [ 2.336273] NET: Registered protocol family 15 [ 2.336547] Key type dns_resolver registered [ 2.337341] omap2_set_init_voltage: unable to find boot up OPP for vdd_mpu [ 2.337341] omap2_set_init_voltage: unable to set vdd_mpu [ 2.337371] omap2_set_init_voltage: unable to find boot up OPP for vdd_core [ 2.337371] omap2_set_init_voltage: unable to set vdd_core [ 2.337402] omap2_set_init_voltage: unable to find boot up OPP for vdd_iva [ 2.337402] omap2_set_init_voltage: unable to set vdd_iva [ 2.340026] cpufreq: __cpufreq_add_dev: CPU0: Running at unlisted freq: 699977 KHz [ 2.340332] cpufreq: __cpufreq_add_dev: CPU0: Unlisted initial frequency changed to: 800000 KHz [ 2.342926] Power Management for TI OMAP4+ devices. [ 2.342926] OMAP4 PM: u-boot >= v2012.07 is required for full PM support [ 2.348449] ThumbEE CPU extension supported. [ 2.349151] Registering SWP/SWPB emulation handler [ 2.349182] SmartReflex Class3 initialized [ 2.364959] twl_rtc 48070000.i2c:twl@48:rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800) [ 2.364990] sr_init: No PMIC hook to init smartreflex [ 2.364990] smartreflex smartreflex.0: omap_sr_probe: SmartReflex driver initialized [ 2.364990] smartreflex smartreflex.1: omap_sr_probe: SmartReflex driver initialized [ 2.365631] smartreflex smartreflex.2: omap_sr_probe: SmartReflex driver initialized [ 2.395568] VUSB: disabling [ 2.396240] VANA: disabling [ 2.396789] VDAC: disabling [ 2.398986] VAUX1_6030: disabling [ 2.519042] mmcblk0: mmc0:0007 SD08G 7.42 GiB [ 2.527801] mmcblk0: p1 p2 [ 2.533264] Waiting for root device /dev/mmcblk1p2... [ 2.545776] hw-breakpoint: Failed to enable monitor mode on CPU 0. [ 2.552947] hw-breakpoint: CPU 0 failed to disable vector catch [ 2.559234] omap_hsmmc 480d5000.mmc: exceeding card's volts [ 2.830047] mmc1: host does not support reading read-only switch, assuming write-enable [ 2.840332] mmc1: new high speed SDHC card at address b368 [ 2.847015] mmcblk1: mmc1:b368 USD 3.75 GiB [ 2.855377] mmcblk1: p1 p2 [ 2.870086] EXT3-fs (mmcblk1p2): error: couldn't mount because of unsupported optional features (240) [ 2.884094] EXT2-fs (mmcblk1p2): error: couldn't mount because of unsupported optional features (240) [ 2.938293] EXT4-fs (mmcblk1p2): mounted filesystem with ordered data mode. Opts: (null) [ 2.938293] VFS: Mounted root (ext4 filesystem) readonly on device 179:10. [ 2.962493] devtmpfs: mounted [ 2.962493] Freeing unused kernel memory: 428K (c0863000 - c08ce000) modprobe: FATAL: Could not load /lib/modules/3.19.0-rc7-119240-ge36f014/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[ 4.238067] udevd[110]: starting version 172 . Synthesizing the initial hotplug events...done. Waiting for /dev to be fully populated...done. Activating swap...done. [ 5.890258] EXT4-fs (mmcblk1p2): warning: mounting fs with errors, running e2fsck is recommended [ 6.255279] 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. [ 10.116333] random: dd urandom read with 68 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 00:00:15 UTC 1970 on ttyO2 Linux armel 3.19.0-rc7-119240-ge36f014 #1 SMP Wed Feb 4 21:37:04 MST 2015 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:372,RET:0,INA:0,ON:373,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:4,INA:0,ON:4,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:268,INA:0,ON:269,RET-LOGIC-OFF:258,RET-MEMBANK1-OFF:268,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 cpu1_pwrdm (ON),OFF:372,RET:0,INA:0,ON:373,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cpu0_pwrdm (ON),OFF:268,RET:0,INA:0,ON:269,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 echo mem > /sys/power/state root@armel:~# root@armel:~# for u in `ls -1d /sys/class/tty/ttyO* | paste -s -d' '`; do ls -l $u/power/wakeup; [ 21.154327] random: nonblocking pool is initialized 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 [ 21.478820] PM: Syncing filesystems ... done. [ 26.586975] PM: Preparing system for mem sleep [ 26.614532] Freezing user space processes ... (elapsed 0.005 seconds) done. [ 26.628326] Freezing remaining freezable tasks ... (elapsed 0.012 seconds) done. [ 26.643280] PM: Entering mem sleep [ 26.643554] Suspending console(s) (use no_console_suspend to debug) [ 26.701019] PM: suspend of devices complete after 57.464 msecs [ 26.703826] PM: late suspend of devices complete after 2.807 msecs [ 26.725402] PM: noirq suspend of devices complete after 13.763 msecs [ 26.725402] Disabling non-boot CPUs ... [ 26.742370] CPU1: shutdown [ 26.760131] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 26.760131] Could not enter target state in pm_suspend [ 26.760131] A possible cause could be an old bootloader - try u-boot >= v2012.07 [ 26.760894] Enabling non-boot CPUs ... [ 26.769622] CPU1 is up [ 26.776245] PM: noirq resume of devices complete after 5.706 msecs [ 26.784790] PM: early resume of devices complete after 7.080 msecs [ 26.882415] omap_hsmmc 480d5000.mmc: could not set regulator OCR (-22) [ 27.002014] PM: resume of devices complete after 216.461 msecs [ 27.077239] PM: Finishing wakeup. [ 27.086853] 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:627,RET:0,INA:0,ON:628,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:6,INA:0,ON:6,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:479,INA:0,ON:480,RET-LOGIC-OFF:465,RET-MEMBANK1-OFF:479,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 cpu1_pwrdm (ON),OFF:627,RET:0,INA:0,ON:628,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cpu0_pwrdm (ON),OFF:481,RET:0,INA:0,ON:482,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 [ 28.991424] PM: Syncing filesystems ... done. [ 29.052581] PM: Preparing system for mem sleep [ 29.059509] Freezing user space processes ... (elapsed 0.003 seconds) done. [ 29.072692] Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done. [ 29.083221] PM: Entering mem sleep [ 29.087554] Suspending console(s) (use no_console_suspend to debug) [ 29.121917] PM: suspend of devices complete after 19.897 msecs [ 29.132293] PM: late suspend of devices complete after 4.058 msecs [ 29.142852] PM: noirq suspend of devices complete after 10.284 msecs [ 29.142852] Disabling non-boot CPUs ... [ 29.150024] CPU1: shutdown [ 29.152801] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 29.152801] Could not enter target state in pm_suspend [ 29.152801] A possible cause could be an old bootloader - try u-boot >= v2012.07 [ 29.153015] Enabling non-boot CPUs ... [ 29.156677] CPU1 is up [ 29.162261] PM: noirq resume of devices complete after 5.584 msecs [ 29.168670] PM: early resume of devices complete after 4.730 msecs [ 29.349121] omap_hsmmc 480d5000.mmc: could not set regulator OCR (-22) [ 29.452789] PM: resume of devices complete after 282.135 msecs [ 29.533386] PM: Finishing wakeup. [ 29.533386] 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:712,RET:0,INA:0,ON:713,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:8,INA:0,ON:8,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:538,INA:0,ON:539,RET-LOGIC-OFF:516,RET-MEMBANK1-OFF:538,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 cpu1_pwrdm (ON),OFF:712,RET:0,INA:0,ON:713,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cpu0_pwrdm (ON),OFF:540,RET:0,INA:0,ON:541,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:912,RET:0,INA:0,ON:913,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:8,INA:0,ON:8,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:690,INA:0,ON:691,RET-LOGIC-OFF:660,RET-MEMBANK1-OFF:690,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 cpu1_pwrdm (ON),OFF:912,RET:0,INA:0,ON:913,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cpu0_pwrdm (ON),OFF:692,RET:0,INA:0,ON:693,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 (3) 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)