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  1. test case #2: cpu0-supply binding is present, but regulator defers probing
  2. cpus {
  3. cpu@0 {
  4. cpu0-supply = <&avs_mpu>;
  5. };
  6. };
  7. avs_mpu: regulator-avs_mpu {
  8. compatible = "ti,sr_class2";
  9. regulator-min-microvolt = <600000>;
  10. regulator-max-microvolt = <1450000>;
  11. avs-supply = <&vcc>;
  12. };
  13.  
  14. [ 0.000000] Booting Linux on physical CPU 0x0
  15. [ 0.000000] Linux version 3.9.0-rc3-00063-g3c7be6a-dirty (nmenon@kahuna) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #31 SMP Thu Apr 4 22:04:57 CDT 2013
  16. [ 0.000000] CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c53c7d
  17. [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
  18. [ 0.000000] Machine: Generic OMAP3 (Flattened Device Tree), model: TI OMAP3 BeagleBoard xM
  19. [ 0.000000] bootconsole [earlycon0] enabled
  20. [ 0.000000] cma: CMA: reserved 16 MiB at 9e800000
  21. [ 0.000000] Memory policy: ECC disabled, Data cache writeback
  22. [ 0.000000] CPU: All CPU(s) started in SVC mode.
  23. [ 0.000000] OMAP3630 ES1.2 (l2cache iva sgx neon isp 192mhz_clk )
  24. [ 0.000000] Clocking rate (Crystal/Core/MPU): 26.0/400/600 MHz
  25. [ 0.000000] PERCPU: Embedded 361 pages/cpu @c1407000 s1456512 r8192 d13952 u1478656
  26. [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 129792
  27. [ 0.000000] Kernel command line: console=ttyO2,115200n8 root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait earlyprintk
  28. [ 0.000000] PID hash table entries: 2048 (order: 1, 8192 bytes)
  29. [ 0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
  30. [ 0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
  31. [ 0.000000] __ex_table already sorted, skipping sort
  32. [ 0.000000] Memory: 511MB = 511MB total
  33. [ 0.000000] Memory: 484472k/484472k available, 39816k reserved, 0K highmem
  34. [ 0.000000] Virtual kernel memory layout:
  35. [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB)
  36. [ 0.000000] fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB)
  37. [ 0.000000] vmalloc : 0xe0800000 - 0xff000000 ( 488 MB)
  38. [ 0.000000] lowmem : 0xc0000000 - 0xe0000000 ( 512 MB)
  39. [ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
  40. [ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB)
  41. [ 0.000000] .text : 0xc0008000 - 0xc07deb34 (8027 kB)
  42. [ 0.000000] .init : 0xc07df000 - 0xc09ae980 (1855 kB)
  43. [ 0.000000] .data : 0xc09b0000 - 0xc0a5bdf8 ( 688 kB)
  44. [ 0.000000] .bss : 0xc0a5bdf8 - 0xc0ff8540 (5746 kB)
  45. [ 0.000000] Hierarchical RCU implementation.
  46. [ 0.000000] RCU debugfs-based tracing is enabled.
  47. [ 0.000000] RCU lockdep checking is enabled.
  48. [ 0.000000] Additional per-CPU info printed with stalls.
  49. [ 0.000000] RCU restricting CPUs from NR_CPUS=2 to nr_cpu_ids=1.
  50. [ 0.000000] NR_IRQS:16 nr_irqs:16 16
  51. [ 0.000000] IRQ: Found an INTC at 0xfa200000 (revision 4.0) with 96 interrupts
  52. [ 0.000000] Total of 96 interrupts on 1 active controller
  53. [ 0.000000] OMAP clockevent source: GPTIMER1 at 32768 Hz
  54. [ 0.000000] sched_clock: 32 bits at 32kHz, resolution 30517ns, wraps every 131071999ms
  55. [ 0.000000] OMAP clocksource: 32k_counter at 32768 Hz
  56. [ 0.000000] Console: colour dummy device 80x30
  57. [ 0.000000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
  58. [ 0.000000] ... MAX_LOCKDEP_SUBCLASSES: 8
  59. [ 0.000000] ... MAX_LOCK_DEPTH: 48
  60. [ 0.000000] ... MAX_LOCKDEP_KEYS: 8191
  61. [ 0.000000] ... CLASSHASH_SIZE: 4096
  62. [ 0.000000] ... MAX_LOCKDEP_ENTRIES: 16384
  63. [ 0.000000] ... MAX_LOCKDEP_CHAINS: 32768
  64. [ 0.000000] ... CHAINHASH_SIZE: 16384
  65. [ 0.000000] memory used by lock dependency info: 3951 kB
  66. [ 0.000000] per task-struct memory footprint: 2304 bytes
  67. [ 0.074035] Calibrating delay loop... 395.67 BogoMIPS (lpj=1978368)
  68. [ 0.138671] pid_max: default: 32768 minimum: 301
  69. [ 0.146728] Security Framework initialized
  70. [ 0.152130] Mount-cache hash table entries: 512
  71. [ 0.229339] CPU: Testing write buffer coherency: ok
  72. [ 0.237762] CPU0: thread -1, cpu 0, socket -1, mpidr 0
  73. [ 0.243225] Setting up static identity map for 0xc0591738 - 0xc05917a8
  74. [ 0.271240] Brought up 1 CPUs
  75. [ 0.274414] SMP: Total of 1 processors activated (395.67 BogoMIPS).
  76. [ 0.281219] CPU: All CPU(s) started in SVC mode.
  77. [ 0.295043] devtmpfs: initialized
  78. [ 0.417785] pinctrl core: initialized pinctrl subsystem
  79. [ 0.440856] regulator-dummy: no parameters
  80. [ 0.455505] NET: Registered protocol family 16
  81. [ 0.478393] DMA: preallocated 256 KiB pool for atomic coherent allocations
  82. [ 0.528320] Reprogramming SDRC clock to 400000000 Hz
  83. [ 0.579406] OMAP GPIO hardware version 2.5
  84. [ 0.709503] platform 49022000.mcbsp: alias fck already exists
  85. [ 0.720336] platform 49024000.mcbsp: alias fck already exists
  86. [ 0.785552] omap-gpmc 6e000000.gpmc: GPMC revision 5.0
  87. [ 0.814086] No ATAGs?
  88. [ 0.816497] hw-breakpoint: debug architecture 0x4 unsupported.
  89. [ 0.848419] OMAP DMA hardware revision 5.0
  90. [ 0.858062] Serial: AMBA PL011 UART driver
  91. [ 1.190643] bio: create slab <bio-0> at 0
  92. [ 1.620178] omap-dma-engine omap-dma-engine: OMAP DMA engine driver
  93. [ 1.648010] tisr_class2 regulator-avs_mpu.18: tisr_class2_probe: I STARTED
  94. [ 1.655822] tisr_class2 regulator-avs_mpu.18: failed to get sr_class2 regulator -517
  95. [ 1.664184] platform regulator-avs_mpu.18: Driver tisr_class2 requests probe deferral
  96. [ 1.698303] SCSI subsystem initialized
  97. [ 1.714508] usbcore: registered new interface driver usbfs
  98. [ 1.723937] usbcore: registered new interface driver hub
  99. [ 1.732025] usbcore: registered new device driver usb
  100. [ 1.748077] omap_i2c i2c.8: did not get pins for i2c error: -19
  101. [ 1.759490] omap_i2c i2c.8: bus 0 rev4.4 at 2600 kHz
  102. [ 1.807067] twl 0-0048: PIH (irq 23) chaining IRQs 338..346
  103. [ 1.815155] twl 0-0048: power (irq 343) chaining IRQs 346..353
  104. [ 1.842132] VDD1: 600 <--> 1450 mV at 1075 mV
  105. [ 1.859741] VDAC: 1800 mV
  106. [ 1.874206] VPLL2: 1800 mV
  107. [ 1.887817] VMMC1: 1850 <--> 3150 mV at 3150 mV
  108. [ 1.903839] VUSB1V5: 1500 mV
  109. [ 1.916534] VUSB1V8: 1800 mV
  110. [ 1.929443] VUSB3V1: 3100 mV
  111. [ 1.942932] VSIM: 1800 <--> 3000 mV at 1800 mV
  112. [ 1.960052] twl4030_gpio gpio.33: gpio (irq 338) chaining IRQs 354..371
  113. [ 1.983734] omap_i2c i2c.9: did not get pins for i2c error: -19
  114. [ 1.995849] omap_i2c i2c.9: bus 1 rev4.4 at 400 kHz
  115. [ 2.002563] omap_i2c i2c.10: did not get pins for i2c error: -19
  116. [ 2.013244] omap_i2c i2c.10: bus 2 rev4.4 at 100 kHz
  117. [ 2.057373] Switching to clocksource 32k_counter
  118. [ 2.759246] NET: Registered protocol family 2
  119. [ 2.771545] TCP established hash table entries: 4096 (order: 3, 32768 bytes)
  120. [ 2.779479] TCP bind hash table entries: 4096 (order: 5, 180224 bytes)
  121. [ 2.789031] TCP: Hash tables configured (established 4096 bind 4096)
  122. [ 2.796417] TCP: reno registered
  123. [ 2.799865] UDP hash table entries: 256 (order: 2, 24576 bytes)
  124. [ 2.806549] UDP-Lite hash table entries: 256 (order: 2, 24576 bytes)
  125. [ 2.816650] NET: Registered protocol family 1
  126. [ 2.827056] RPC: Registered named UNIX socket transport module.
  127. [ 2.833404] RPC: Registered udp transport module.
  128. [ 2.838317] RPC: Registered tcp transport module.
  129. [ 2.843353] RPC: Registered tcp NFSv4.1 backchannel transport module.
  130. [ 2.854095] NetWinder Floating Point Emulator V0.97 (double precision)
  131. [ 2.861877] hw perfevents: enabled with ARMv7 Cortex-A8 PMU driver, 5 counters available
  132. [ 3.128448] VFS: Disk quotas dquot_6.5.2
  133. [ 3.133697] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
  134. [ 3.155700] NFS: Registering the id_resolver key type
  135. [ 3.161804] Key type id_resolver registered
  136. [ 3.166351] Key type id_legacy registered
  137. [ 3.171081] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc.
  138. [ 3.182250] msgmni has been set to 978
  139. [ 3.197479] io scheduler noop registered
  140. [ 3.201629] io scheduler deadline registered
  141. [ 3.206787] io scheduler cfq registered (default)
  142. [ 3.248291] pinctrl-single 48002030.pinmux: 742 pins at pa fa002030 size 1484
  143. [ 3.260559] pinctrl-single 48002a58.pinmux: 46 pins at pa fa002a58 size 92
  144. [ 3.284545] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
  145. [ 3.319915] omap_uart serial.5: did not get pins for uart0 error: -19
  146. [ 3.328063] serial.5: ttyO0 at MMIO 0x4806a000 (irq = 88) is a OMAP UART0
  147. [ 3.342712] omap_uart serial.6: did not get pins for uart1 error: -19
  148. [ 3.350463] serial.6: ttyO1 at MMIO 0x4806c000 (irq = 89) is a OMAP UART1
  149. [ 3.364196] omap_uart serial.7: did not get pins for uart2 error: -19
  150. [ 3.371887] serial.7: ttyO2 at MMIO 0x49020000 (irq = 90) is a OMAP UART2
  151. [ 3.379791] console [ttyO2] enabled, bootconsole disabled
  152. [ 3.379791] console [ttyO2] enabled, bootconsole disabled
  153. [ 3.398986] omap_uart serial.17: did not get pins for uart3 error: -19
  154. [ 3.414062] serial.17: ttyO3 at MMIO 0x49042000 (irq = 96) is a OMAP UART3
  155. [ 3.612884] brd: module loaded
  156. [ 3.705078] loop: module loaded
  157. [ 3.738250] mtdoops: mtd device (mtddev=name/number) must be supplied
  158. [ 3.750213] OneNAND driver initializing
  159. [ 3.759124] omap2_mcspi spi.11: pins are not configured from the driver
  160. [ 3.772552] omap2_mcspi spi.12: pins are not configured from the driver
  161. [ 3.786010] omap2_mcspi spi.13: pins are not configured from the driver
  162. [ 3.798522] omap2_mcspi spi.14: pins are not configured from the driver
  163. [ 3.839080] usbcore: registered new interface driver asix
  164. [ 3.848175] usbcore: registered new interface driver ax88179_178a
  165. [ 3.857788] usbcore: registered new interface driver cdc_ether
  166. [ 3.867156] usbcore: registered new interface driver smsc95xx
  167. [ 3.876007] usbcore: registered new interface driver net1080
  168. [ 3.884582] usbcore: registered new interface driver cdc_subset
  169. [ 3.892883] usbcore: registered new interface driver zaurus
  170. [ 3.901733] usbcore: registered new interface driver cdc_ncm
  171. [ 3.917205] usbcore: registered new interface driver cdc_wdm
  172. [ 3.923522] Initializing USB Mass Storage driver...
  173. [ 3.931671] usbcore: registered new interface driver usb-storage
  174. [ 3.938171] USB Mass Storage support registered.
  175. [ 3.945617] usbcore: registered new interface driver usbtest
  176. [ 3.960845] mousedev: PS/2 mouse device common for all mice
  177. [ 3.991699] twl_rtc rtc.23: Enabling TWL-RTC
  178. [ 4.008575] twl_rtc rtc.23: rtc core: registered rtc.23 as rtc0
  179. [ 4.020843] i2c /dev entries driver
  180. [ 4.041320] Driver for 1-wire Dallas network protocol.
  181. [ 4.064422] omap_wdt: OMAP Watchdog Timer Rev 0x31: initial timeout 60 sec
  182. [ 4.085357] cpufreq-cpu0 cpufreq-cpu0.0: cpu0 regulator not ready, retry
  183. [ 4.092590] platform cpufreq-cpu0.0: Driver cpufreq-cpu0 requests probe deferral
  184. [ 4.117797] omap-dma-engine omap-dma-engine: allocating channel for 62
  185. [ 4.125061] omap-dma-engine omap-dma-engine: allocating channel for 61
  186. [ 4.138916] omap_hsmmc mmc.15: pins are not configured from the driver
  187. [ 4.203948] leds-gpio leds.19: pins are not configured from the driver
  188. [ 4.230529] ledtrig-cpu: registered to indicate activity on CPUs
  189. [ 4.246429] usbcore: registered new interface driver usbhid
  190. [ 4.252319] usbhid: USB HID core driver
  191. [ 4.265502] oprofile: using arm/armv7
  192. [ 4.271026] TCP: cubic registered
  193. [ 4.274688] Initializing XFRM netlink socket
  194. [ 4.279571] NET: Registered protocol family 17
  195. [ 4.284881] NET: Registered protocol family 15
  196. [ 4.291107] Key type dns_resolver registered
  197. [ 4.296203] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 3
  198. [ 4.307739] ThumbEE CPU extension supported.
  199. [ 4.325164] mmc0: host does not support reading read-only switch. assuming write-enable.
  200. [ 4.337860] kmemleak: Kernel memory leak detector initialized
  201. [ 4.347930] kmemleak: Automatic memory scanning thread started
  202. [ 4.355438] mmc0: new high speed SDHC card at address 1234
  203. [ 4.367095] VPLL2: disabling
  204. [ 4.372528] VDAC: disabling
  205. [ 4.380889] mmcblk0: mmc0:1234 SA04G 3.63 GiB
  206. [ 4.391662] tisr_class2 regulator-avs_mpu.18: tisr_class2_probe: I STARTED
  207. [ 4.417175] avsclass2: 600 <--> 1450 mV at 1075 mV
  208. [ 4.422790] mmcblk0: p1 p2
  209. [ 4.429962] tisr_class2 regulator-avs_mpu.18: tisr_class2_probe: I AM DONE
  210. [ 4.472290] twl_rtc rtc.23: setting system clock to 2000-01-01 02:15:01 UTC (946692901)
  211. [ 4.548187] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
  212. [ 4.557373] VFS: Mounted root (ext4 filesystem) on device 179:2.
  213. [ 4.585998] devtmpfs: mounted
  214. [ 4.592956] Freeing init memory: 1852K
  215. Mounting proc : OK
  216. Mounting sysfs : OK
  217. Mounting devtmpfs:mount: mounting none on /dev failed: Device or resource busy
  218. boot mounted: OK
  219. /dev/ttyO2 linked to /dev/tty-bd - using as console
  220.  
  221. ******************************************
  222. Starting System Init for GenericOMAP3(FlattenedDeviceTree)
  223. Release: X.x
  224. Kernel: Linux GenericOMAP3(FlattenedDeviceTree) 3.9.0-rc3-00063-g3c7be6a-dirty #31 SMP Thu Apr 4 22:04:57 CDT 2013 armv7l GNU/Linux
  225. ******************************************
  226. Saving kernel ring buffer : OK
  227. Mounting devpts : OK
  228. Setting up networking
  229. Configuring lo : OK
  230. Starting syslogd : OK
  231. Starting klogd : OK
  232. Mounting filesystems : OK
  233. mount: mounting none on /proc/bus/usb/ failed: No such file or directory
  234.  
  235. Please press Enter to activate this console.
  236.  
  237. / #
  238. / # ./test.sh
  239. ===================
  240. System CPUFREQ Configuration:
  241. ===================
  242. Scaling driver: generic_cpu0
  243. Scaling Regulator: /sys/class/regulator/regulator.9
  244. 300000 600000 800000 are the available frequencies
  245. ===================
  246. Boot Configuration:
  247. ===================
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