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 - CRC mode, 6(SOH)/4663(STX)/0(CAN) packets, 3 retries ## Total Size = 0x0048ddd9 = 4775385 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: 4775321 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-rc6-119021-g26bc420b (paul@knihy) (gcc version 4.7.2 (Debian 4.7.2-5) ) #1 SMP Wed Jan 28 22:27:16 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 c0971880, 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 - 0xc0862de0 (8556 kB) [ 0.000000] .init : 0xc0863000 - 0xc08ce000 ( 428 kB) [ 0.000000] .data : 0xc08ce000 - 0xc09776a8 ( 678 kB) [ 0.000000] .bss : 0xc09776a8 - 0xc117ee10 (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 [ 0.001831] Console: colour dummy device 80x30 [ 0.001861] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.001892] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.001892] ... MAX_LOCK_DEPTH: 48 [ 0.001892] ... MAX_LOCKDEP_KEYS: 8191 [ 0.001922] ... CLASSHASH_SIZE: 4096 [ 0.001922] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.001922] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.001953] ... CHAINHASH_SIZE: 32768 [ 0.001953] memory used by lock dependency info: 5167 kB [ 0.001953] per task-struct memory footprint: 1152 bytes [ 0.001983] Calibrating local timer... 347.66MHz. [ 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 [ 0.152160] 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 [ 0.153564] Setting up static identity map for 0x805de950 - 0x805de9c0 [ 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 [ 0.207824] omap_hwmod: l3_main_3 using broken dt data from ocp [ 0.211791] omap_hwmod: l3_main_2 using broken dt data from ocp [ 0.263519] ------------[ cut here ]------------ [ 0.263549] WARNING: CPU: 0 PID: 1 at arch/arm/mach-omap2/omap_hwmod.c:2458 _init+0x3a0/0x3f0() [ 0.263549] omap_hwmod: mailbox: doesn't have mpu register target base [ 0.263549] Modules linked in: [ 0.263580] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.19.0-rc6-119021-g26bc420b #1 [ 0.263580] Hardware name: Generic OMAP4 (Flattened Device Tree) [ 0.263641] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 0.263671] [] (show_stack) from [] (dump_stack+0x80/0x9c) [ 0.263671] [] (dump_stack) from [] (warn_slowpath_common+0x78/0xb4) [ 0.263702] [] (warn_slowpath_common) from [] (warn_slowpath_fmt+0x30/0x40) [ 0.263702] [] (warn_slowpath_fmt) from [] (_init+0x3a0/0x3f0) [ 0.263732] [] (_init) from [] (omap_hwmod_for_each+0x30/0x5c) [ 0.263763] [] (omap_hwmod_for_each) from [] (__omap_hwmod_setup_all+0x24/0x40) [ 0.263763] [] (__omap_hwmod_setup_all) from [] (do_one_initcall+0x80/0x1d8) [ 0.263793] [] (do_one_initcall) from [] (kernel_init_freeable+0x1f4/0x2cc) [ 0.263793] [] (kernel_init_freeable) from [] (kernel_init+0x8/0xe4) [ 0.263824] [] (kernel_init) from [] (ret_from_fork+0x14/0x24) [ 0.263885] ---[ end trace 395df7e9a2dad55b ]--- [ 0.375885] pinctrl core: initialized pinctrl subsystem [ 0.421081] NET: Registered protocol family 16 [ 0.426300] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.456512] cpuidle: using governor ladder [ 0.486206] cpuidle: using governor menu [ 0.495666] gpiochip_add: registered GPIOs 0 to 31 on device: gpio [ 0.496490] OMAP GPIO hardware version 0.1 [ 0.497619] gpiochip_add: registered GPIOs 32 to 63 on device: gpio [ 0.499389] gpiochip_add: registered GPIOs 64 to 95 on device: gpio [ 0.501007] gpiochip_add: registered GPIOs 96 to 127 on device: gpio [ 0.502716] gpiochip_add: registered GPIOs 128 to 159 on device: gpio [ 0.504364] gpiochip_add: registered GPIOs 160 to 191 on device: gpio [ 0.505737] omap-gpmc 50000000.gpmc: GPMC revision 6.0 [ 0.525360] platform 4b501000.aes: Cannot lookup hwmod 'aes' [ 0.525878] platform 480a5000.des: Cannot lookup hwmod 'des' [ 0.527923] No ATAGs? [ 0.528015] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 0.528015] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 0.530609] OMAP DMA hardware revision 0.0 [ 0.612365] omap-dma-engine 4a056000.dma-controller: OMAP DMA engine driver [ 0.613098] of_get_named_gpiod_flags: can't parse 'gpio' property of node '/fixedregulator@0[0]' [ 0.617340] SCSI subsystem initialized [ 0.617828] libata version 3.00 loaded. [ 0.618499] usbcore: registered new interface driver usbfs [ 0.618652] usbcore: registered new interface driver hub [ 0.618774] usbcore: registered new device driver usb [ 0.622955] omap_i2c 48070000.i2c: bus 0 rev0.11 at 400 kHz [ 0.623962] omap_i2c 48072000.i2c: bus 1 rev0.11 at 400 kHz [ 0.625518] omap_i2c 48060000.i2c: bus 2 rev0.11 at 400 kHz [ 0.626434] omap_i2c 48350000.i2c: bus 3 rev0.11 at 400 kHz [ 0.630493] Switched to clocksource 32k_counter [ 0.764221] NET: Registered protocol family 2 [ 0.765930] TCP established hash table entries: 8192 (order: 3, 32768 bytes) [ 0.766204] TCP bind hash table entries: 8192 (order: 6, 294912 bytes) [ 0.768737] TCP: Hash tables configured (established 8192 bind 8192) [ 0.768981] TCP: reno registered [ 0.769012] UDP hash table entries: 512 (order: 3, 40960 bytes) [ 0.769348] UDP-Lite hash table entries: 512 (order: 3, 40960 bytes) [ 0.770812] NET: Registered protocol family 1 [ 0.771820] RPC: Registered named UNIX socket transport module. [ 0.771850] RPC: Registered udp transport module. [ 0.771850] RPC: Registered tcp transport module. [ 0.771881] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.777832] futex hash table entries: 512 (order: 3, 32768 bytes) [ 0.778167] audit: initializing netlink subsys (disabled) [ 0.778350] audit: type=2000 audit(0.760:1): initialized [ 0.782348] VFS: Disk quotas dquot_6.5.2 [ 0.782501] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) [ 0.784576] NFS: Registering the id_resolver key type [ 0.784881] Key type id_resolver registered [ 0.784912] Key type id_legacy registered [ 0.785095] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 0.788757] bounce: pool size: 64 pages [ 0.788879] io scheduler noop registered [ 0.788909] io scheduler deadline registered [ 0.789001] io scheduler cfq registered (default) [ 0.791870] omap-usb2 4a0ad080.usb2phy: unable to get wkupclk, trying old name [ 0.791900] omap-usb2 4a0ad080.usb2phy: found usb_phy_cm_clk32k, please fix DTS [ 0.793823] pinctrl-single 4a100040.pinmux: 203 pins at pa fc100040 size 406 [ 0.794281] pinctrl-single 4a31e040.pinmux: 28 pins at pa fc31e040 size 56 [ 0.800140] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 0.805358] omap_uart 4806a000.serial: no wakeirq for uart0 [ 0.805389] of_get_named_gpiod_flags: can't parse 'rts-gpio' property of node '/ocp/serial@4806a000[0]' [ 0.805816] 4806a000.serial: ttyO0 at MMIO 0x4806a000 (irq = 225, base_baud = 3000000) is a OMAP UART0 [ 0.807403] omap_uart 4806c000.serial: no wakeirq for uart0 [ 0.807434] of_get_named_gpiod_flags: can't parse 'rts-gpio' property of node '/ocp/serial@4806c000[0]' [ 0.807647] 4806c000.serial: ttyO1 at MMIO 0x4806c000 (irq = 226, base_baud = 3000000) is a OMAP UART1 [ 0.808654] omap_uart 48020000.serial: no wakeirq for uart0 [ 0.808685] of_get_named_gpiod_flags: can't parse 'rts-gpio' property of node '/ocp/serial@48020000[0]' [ 0.808898] 48020000.serial: ttyO2 at MMIO 0x48020000 (irq = 227, base_baud = 3000000) is a OMAP UART2 [ 1.891387] console [ttyO2] enabled [ 1.896545] omap_uart 4806e000.serial: no wakeirq for uart0 [ 1.902435] of_get_named_gpiod_flags: can't parse 'rts-gpio' property of node '/ocp/serial@4806e000[0]' [ 1.912506] 4806e000.serial: ttyO3 at MMIO 0x4806e000 (irq = 228, base_baud = 3000000) is a OMAP UART3 [ 1.942504] brd: module loaded [ 1.957092] loop: module loaded [ 1.962341] Skipping twl internal clock init and using bootloader value (unknown osc rate) [ 1.991607] twl 0-0048: PIH (irq 326) nested IRQs [ 2.023590] mtdoops: mtd device (mtddev=name/number) must be supplied [ 2.037048] of_get_named_gpiod_flags: can't parse 'reset-gpios' property of node '/ocp/spi@48098000/eth@0[0]' [ 2.047485] spi1.0 supply vdd-io not found, using dummy regulator [ 2.054504] ks8851 spi1.0: message enable is 0 [ 2.065093] ks8851 spi1.0 eth0: revision 1, MAC 3a:20:72:5b:21:85, IRQ 201, no EEPROM [ 2.075408] usbcore: registered new interface driver asix [ 2.081207] usbcore: registered new interface driver ax88179_178a [ 2.087677] usbcore: registered new interface driver cdc_ether [ 2.093963] usbcore: registered new interface driver smsc95xx [ 2.100097] usbcore: registered new interface driver net1080 [ 2.106140] usbcore: registered new interface driver cdc_subset [ 2.112457] usbcore: registered new interface driver zaurus [ 2.118469] usbcore: registered new interface driver cdc_ncm [ 2.125274] usbcore: registered new interface driver cdc_wdm [ 2.131378] usbcore: registered new interface driver usb-storage [ 2.137817] usbcore: registered new interface driver usbtest [ 2.145660] mousedev: PS/2 mouse device common for all mice [ 2.154388] twl_rtc 48070000.i2c:twl@48:rtc: Power up reset detected. [ 2.162109] twl_rtc 48070000.i2c:twl@48:rtc: Enabling TWL-RTC [ 2.172546] twl_rtc 48070000.i2c:twl@48:rtc: rtc core: registered 48070000.i2c:twl@48 as rtc0 [ 2.181701] i2c /dev entries driver [ 2.187835] Driver for 1-wire Dallas network protocol. [ 2.196807] omap_wdt: OMAP Watchdog Timer Rev 0x01: initial timeout 60 sec [ 2.205047] Driver 'mmcblk' needs updating - please use bus_type methods [ 2.212921] of_get_named_gpiod_flags: can't parse 'cd-gpios' property of node '/ocp/mmc@4809c000[0]' [ 2.222503] of_get_named_gpiod_flags: can't parse 'wp-gpios' property of node '/ocp/mmc@4809c000[0]' [ 2.270599] of_get_named_gpiod_flags: can't parse 'cd-gpios' property of node '/ocp/mmc@480d5000[0]' [ 2.280151] of_get_named_gpiod_flags: can't parse 'wp-gpios' property of node '/ocp/mmc@480d5000[0]' [ 2.290161] 480d5000.mmc supply vmmc not found, using dummy regulator [ 2.297149] omap_hsmmc 480d5000.mmc: could not set regulator OCR (-22) [ 2.304382] omap_hsmmc 480d5000.mmc: could not set regulator OCR (-22) [ 2.338592] mmc0: host does not support reading read-only switch, assuming write-enable [ 2.349273] mmc0: new high speed SDHC card at address 0007 [ 2.351318] ledtrig-cpu: registered to indicate activity on CPUs [ 2.351745] usbcore: registered new interface driver usbhid [ 2.351745] usbhid: USB HID core driver [ 2.353240] oprofile: no performance counters [ 2.354217] oprofile: using timer interrupt. [ 2.354858] TCP: cubic registered [ 2.354888] Initializing XFRM netlink socket [ 2.355010] NET: Registered protocol family 17 [ 2.355072] NET: Registered protocol family 15 [ 2.355407] Key type dns_resolver registered [ 2.356170] omap2_set_init_voltage: unable to find boot up OPP for vdd_mpu [ 2.356170] omap2_set_init_voltage: unable to set vdd_mpu [ 2.356201] omap2_set_init_voltage: unable to find boot up OPP for vdd_core [ 2.356201] omap2_set_init_voltage: unable to set vdd_core [ 2.356231] omap2_set_init_voltage: unable to find boot up OPP for vdd_iva [ 2.356231] omap2_set_init_voltage: unable to set vdd_iva [ 2.358917] cpufreq: __cpufreq_add_dev: CPU0: Running at unlisted freq: 699977 KHz [ 2.359191] cpufreq: __cpufreq_add_dev: CPU0: Unlisted initial frequency changed to: 800000 KHz [ 2.361785] Power Management for TI OMAP4+ devices. [ 2.361785] OMAP4 PM: u-boot >= v2012.07 is required for full PM support [ 2.367919] ThumbEE CPU extension supported. [ 2.367950] Registering SWP/SWPB emulation handler [ 2.367950] SmartReflex Class3 initialized [ 2.375793] twl_rtc 48070000.i2c:twl@48:rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800) [ 2.375823] sr_init: No PMIC hook to init smartreflex [ 2.376068] smartreflex smartreflex.0: omap_sr_probe: SmartReflex driver initialized [ 2.376434] smartreflex smartreflex.1: omap_sr_probe: SmartReflex driver initialized [ 2.376434] smartreflex smartreflex.2: omap_sr_probe: SmartReflex driver initialized [ 2.407043] VUSB: disabling [ 2.407592] VANA: disabling [ 2.408172] VDAC: disabling [ 2.410522] VAUX1_6030: disabling [ 2.537597] mmcblk0: mmc0:0007 SD08G 7.42 GiB [ 2.546386] mmcblk0: p1 p2 [ 2.552398] Waiting for root device /dev/mmcblk1p2... [ 2.564575] omap_hsmmc 480d5000.mmc: exceeding card's volts [ 2.612396] hw-breakpoint: Failed to enable monitor mode on CPU 0. [ 2.619354] hw-breakpoint: CPU 0 failed to disable vector catch [ 2.853851] mmc1: host does not support reading read-only switch, assuming write-enable [ 2.864532] mmc1: new high speed SDHC card at address b368 [ 2.873474] mmcblk1: mmc1:b368 USD 3.75 GiB [ 2.882720] mmcblk1: p1 p2 [ 2.995269] EXT3-fs (mmcblk1p2): error: couldn't mount because of unsupported optional features (240) [ 3.008819] EXT2-fs (mmcblk1p2): error: couldn't mount because of unsupported optional features (240) [ 3.065460] EXT4-fs (mmcblk1p2): mounted filesystem with ordered data mode. Opts: (null) [ 3.074432] VFS: Mounted root (ext4 filesystem) readonly on device 179:10. [ 3.085174] devtmpfs: mounted [ 3.090484] Freeing unused kernel memory: 428K (c0863000 - c08ce000) modprobe: FATAL: Could not load /lib/modules/3.19.0-rc6-119021-g26bc420b/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[ 4.394348] udevd[111]: starting version 172 . Synthesizing the initial hotplug events...done. Waiting for /dev to be fully populated...done. Activating swap...done. [ 5.964691] EXT4-fs (mmcblk1p2): warning: mounting fs with errors, running e2fsck is recommended [ 6.342712] 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. [ 10.177886] 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: Sat Jan 1 00:00:12 UTC 2000 on ttyO2 Linux armel 3.19.0-rc6-119021-g26bc420b #1 SMP Wed Jan 28 22:27:16 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:282,RET:0,INA:0,ON:283,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:194,INA:0,ON:195,RET-LOGIC-OFF:186,RET-MEMBANK1-OFF:194,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 cpu1_pwrdm (ON),OFF:282,RET:0,INA:0,ON:283,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cpu0_pwrdm (ON),OFF:194,RET:0,INA:0,ON:195,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 [ 20.213928] PM: Syncing filesystems ... [ 21.779357] random: nonblocking pool is initialized [ 25.310821] done. [ 25.312957] PM: Preparing system for mem sleep [ 25.340484] Freezing user space processes ... (elapsed 0.010 seconds) done. [ 25.350616] Freezing remaining freezable tasks ... (elapsed 0.012 seconds) done. [ 25.363677] PM: Entering mem sleep [ 25.369903] Suspending console(s) (use no_console_suspend to debug) [ 25.413146] PM: suspend of devices complete after 31.127 msecs [ 25.423400] PM: late suspend of devices complete after 10.253 msecs [ 25.437652] PM: noirq suspend of devices complete after 14.221 msecs [ 25.437927] Disabling non-boot CPUs ... [ 25.455169] CPU1: shutdown [ 25.462249] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 25.462249] Could not enter target state in pm_suspend [ 25.462249] A possible cause could be an old bootloader - try u-boot >= v2012.07 [ 25.462860] Enabling non-boot CPUs ... [ 25.471862] CPU1 is up [ 25.478393] PM: noirq resume of devices complete after 5.920 msecs [ 25.486907] PM: early resume of devices complete after 8.514 msecs [ 25.592346] omap_hsmmc 480d5000.mmc: could not set regulator OCR (-22) [ 25.759643] PM: resume of devices complete after 272.705 msecs [ 25.841247] PM: Finishing wakeup. [ 25.841247] 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:501,RET:0,INA:0,ON:502,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:365,INA:0,ON:366,RET-LOGIC-OFF:345,RET-MEMBANK1-OFF:365,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 cpu1_pwrdm (ON),OFF:501,RET:0,INA:0,ON:502,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cpu0_pwrdm (ON),OFF:365,RET:0,INA:0,ON:366,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 [ 27.699676] PM: Syncing filesystems ... done. [ 27.760681] PM: Preparing system for mem sleep [ 27.768707] Freezing user space processes ... (elapsed 0.006 seconds) done. [ 27.775115] Freezing remaining freezable tasks ... (elapsed 0.011 seconds) done. [ 27.786590] PM: Entering mem sleep [ 27.793426] Suspending console(s) (use no_console_suspend to debug) [ 27.827331] PM: suspend of devices complete after 27.191 msecs [ 27.831268] PM: late suspend of devices complete after 3.723 msecs [ 27.848632] PM: noirq suspend of devices complete after 10.375 msecs [ 27.848632] Disabling non-boot CPUs ... [ 27.855407] CPU1: shutdown [ 27.857788] Powerdomain (abe_pwrdm) didn't enter target state 1 [ 27.857788] Could not enter target state in pm_suspend [ 27.857788] A possible cause could be an old bootloader - try u-boot >= v2012.07 [ 27.857849] Enabling non-boot CPUs ... [ 27.861663] CPU1 is up [ 27.867706] PM: noirq resume of devices complete after 5.767 msecs [ 27.875671] PM: early resume of devices complete after 0.001 msecs [ 28.054168] omap_hsmmc 480d5000.mmc: could not set regulator OCR (-22) [ 28.179931] PM: resume of devices complete after 304.260 msecs [ 28.260742] PM: Finishing wakeup. [ 28.260742] 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:594,RET:0,INA:0,ON:595,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:434,INA:0,ON:435,RET-LOGIC-OFF:404,RET-MEMBANK1-OFF:434,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 cpu1_pwrdm (ON),OFF:594,RET:0,INA:0,ON:595,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cpu0_pwrdm (ON),OFF:434,RET:0,INA:0,ON:435,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:856,RET:0,INA:0,ON:857,RET-LOGIC-OFF:0 l4per_pwrdm (ON),OFF:0,RET:5,INA:0,ON:6,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:646,INA:0,ON:647,RET-LOGIC-OFF:606,RET-MEMBANK1-OFF:646,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0 cpu1_pwrdm (ON),OFF:856,RET:0,INA:0,ON:857,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cpu0_pwrdm (ON),OFF:646,RET:0,INA:0,ON:647,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)