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Apr 4th, 2013
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  1. test case #3: cpu0-supply binding is present, but regulator never registers (bug in DT binding)
  2. cpus {
  3. cpu@0 {
  4. cpu0-supply = <&vcc>;
  5. };
  6. };
  7. memory {
  8. device_type = "memory";
  9. reg = <0x80000000 0x20000000>; /* 512 MB */
  10. };
  11.  
  12.  
  13. avs_mpu: regulator-avs_mpu {
  14. compatible = "ti,sr_class2";
  15. regulator-min-microvolt = <600000>;
  16. regulator-max-microvolt = <1450000>;
  17. avs-supply = <&vcc>;
  18. };
  19. [ 0.000000] Booting Linux on physical CPU 0x0
  20. [ 0.000000] Linux version 3.9.0-rc3-00061-g70f506d-dirty (nmenon@kahuna) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #32 SMP Thu Apr 4 22:40:00 CDT 2013
  21. [ 0.000000] CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c53c7d
  22. [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
  23. [ 0.000000] Machine: Generic OMAP3 (Flattened Device Tree), model: TI OMAP3 BeagleBoard xM
  24. [ 0.000000] bootconsole [earlycon0] enabled
  25. [ 0.000000] cma: CMA: reserved 16 MiB at 9e800000
  26. [ 0.000000] Memory policy: ECC disabled, Data cache writeback
  27. [ 0.000000] CPU: All CPU(s) started in SVC mode.
  28. [ 0.000000] OMAP3630 ES1.2 (l2cache iva sgx neon isp 192mhz_clk )
  29. [ 0.000000] Clocking rate (Crystal/Core/MPU): 26.0/400/600 MHz
  30. [ 0.000000] PERCPU: Embedded 361 pages/cpu @c1407000 s1456512 r8192 d13952 u1478656
  31. [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 129792
  32. [ 0.000000] Kernel command line: console=ttyO2,115200n8 root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait earlyprintk
  33. [ 0.000000] PID hash table entries: 2048 (order: 1, 8192 bytes)
  34. [ 0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
  35. [ 0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
  36. [ 0.000000] __ex_table already sorted, skipping sort
  37. [ 0.000000] Memory: 511MB = 511MB total
  38. [ 0.000000] Memory: 484472k/484472k available, 39816k reserved, 0K highmem
  39. [ 0.000000] Virtual kernel memory layout:
  40. [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB)
  41. [ 0.000000] fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB)
  42. [ 0.000000] vmalloc : 0xe0800000 - 0xff000000 ( 488 MB)
  43. [ 0.000000] lowmem : 0xc0000000 - 0xe0000000 ( 512 MB)
  44. [ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
  45. [ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB)
  46. [ 0.000000] .text : 0xc0008000 - 0xc07deb34 (8027 kB)
  47. [ 0.000000] .init : 0xc07df000 - 0xc09ae980 (1855 kB)
  48. [ 0.000000] .data : 0xc09b0000 - 0xc0a5bdf8 ( 688 kB)
  49. [ 0.000000] .bss : 0xc0a5bdf8 - 0xc0ff8540 (5746 kB)
  50. [ 0.000000] Hierarchical RCU implementation.
  51. [ 0.000000] RCU debugfs-based tracing is enabled.
  52. [ 0.000000] RCU lockdep checking is enabled.
  53. [ 0.000000] Additional per-CPU info printed with stalls.
  54. [ 0.000000] RCU restricting CPUs from NR_CPUS=2 to nr_cpu_ids=1.
  55. [ 0.000000] NR_IRQS:16 nr_irqs:16 16
  56. [ 0.000000] IRQ: Found an INTC at 0xfa200000 (revision 4.0) with 96 interrupts
  57. [ 0.000000] Total of 96 interrupts on 1 active controller
  58. [ 0.000000] OMAP clockevent source: GPTIMER1 at 32768 Hz
  59. [ 0.000000] sched_clock: 32 bits at 32kHz, resolution 30517ns, wraps every 131071999ms
  60. [ 0.000000] OMAP clocksource: 32k_counter at 32768 Hz
  61. [ 0.000000] Console: colour dummy device 80x30
  62. [ 0.000000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
  63. [ 0.000000] ... MAX_LOCKDEP_SUBCLASSES: 8
  64. [ 0.000000] ... MAX_LOCK_DEPTH: 48
  65. [ 0.000000] ... MAX_LOCKDEP_KEYS: 8191
  66. [ 0.000000] ... CLASSHASH_SIZE: 4096
  67. [ 0.000000] ... MAX_LOCKDEP_ENTRIES: 16384
  68. [ 0.000000] ... MAX_LOCKDEP_CHAINS: 32768
  69. [ 0.000000] ... CHAINHASH_SIZE: 16384
  70. [ 0.000000] memory used by lock dependency info: 3951 kB
  71. [ 0.000000] per task-struct memory footprint: 2304 bytes
  72. [ 0.074066] Calibrating delay loop... 395.67 BogoMIPS (lpj=1978368)
  73. [ 0.138671] pid_max: default: 32768 minimum: 301
  74. [ 0.146697] Security Framework initialized
  75. [ 0.152130] Mount-cache hash table entries: 512
  76. [ 0.229431] CPU: Testing write buffer coherency: ok
  77. [ 0.237823] CPU0: thread -1, cpu 0, socket -1, mpidr 0
  78. [ 0.243255] Setting up static identity map for 0xc05916f8 - 0xc0591768
  79. [ 0.271423] Brought up 1 CPUs
  80. [ 0.274566] SMP: Total of 1 processors activated (395.67 BogoMIPS).
  81. [ 0.281402] CPU: All CPU(s) started in SVC mode.
  82. [ 0.295166] devtmpfs: initialized
  83. [ 0.419311] pinctrl core: initialized pinctrl subsystem
  84. [ 0.442352] regulator-dummy: no parameters
  85. [ 0.457031] NET: Registered protocol family 16
  86. [ 0.479888] DMA: preallocated 256 KiB pool for atomic coherent allocations
  87. [ 0.529785] Reprogramming SDRC clock to 400000000 Hz
  88. [ 0.579193] OMAP GPIO hardware version 2.5
  89. [ 0.711486] platform 49022000.mcbsp: alias fck already exists
  90. [ 0.723297] platform 49024000.mcbsp: alias fck already exists
  91. [ 0.789062] omap-gpmc 6e000000.gpmc: GPMC revision 5.0
  92. [ 0.818389] No ATAGs?
  93. [ 0.820556] hw-breakpoint: debug architecture 0x4 unsupported.
  94. [ 0.852355] OMAP DMA hardware revision 5.0
  95. [ 0.861175] Serial: AMBA PL011 UART driver
  96. [ 1.193817] bio: create slab <bio-0> at 0
  97. [ 1.621246] omap-dma-engine omap-dma-engine: OMAP DMA engine driver
  98. [ 1.649291] tisr_class2 regulator-avs_mpu.18: tisr_class2_probe: I STARTED
  99. [ 1.657012] tisr_class2 regulator-avs_mpu.18: failed to get sr_class2 regulator -517
  100. [ 1.665374] platform regulator-avs_mpu.18: Driver tisr_class2 requests probe deferral
  101. [ 1.698242] SCSI subsystem initialized
  102. [ 1.715545] usbcore: registered new interface driver usbfs
  103. [ 1.725097] usbcore: registered new interface driver hub
  104. [ 1.733459] usbcore: registered new device driver usb
  105. [ 1.748382] omap_i2c i2c.8: did not get pins for i2c error: -19
  106. [ 1.760955] omap_i2c i2c.8: bus 0 rev4.4 at 2600 kHz
  107. [ 1.807861] twl 0-0048: PIH (irq 23) chaining IRQs 338..346
  108. [ 1.816101] twl 0-0048: power (irq 343) chaining IRQs 346..353
  109. [ 1.843200] VDD1: 600 <--> 1450 mV at 1200 mV
  110. [ 1.860473] VDAC: 1800 mV
  111. [ 1.875457] VPLL2: 1800 mV
  112. [ 1.888885] VMMC1: 1850 <--> 3150 mV at 3150 mV
  113. [ 1.904754] VUSB1V5: 1500 mV
  114. [ 1.917449] VUSB1V8: 1800 mV
  115. [ 1.930145] VUSB3V1: 3100 mV
  116. [ 1.944366] VSIM: 1800 <--> 3000 mV at 1800 mV
  117. [ 1.961151] twl4030_gpio gpio.33: gpio (irq 338) chaining IRQs 354..371
  118. [ 1.985168] omap_i2c i2c.9: did not get pins for i2c error: -19
  119. [ 1.995941] omap_i2c i2c.9: bus 1 rev4.4 at 400 kHz
  120. [ 2.002868] omap_i2c i2c.10: did not get pins for i2c error: -19
  121. [ 2.014251] omap_i2c i2c.10: bus 2 rev4.4 at 100 kHz
  122. [ 2.058532] Switching to clocksource 32k_counter
  123. [ 2.760253] NET: Registered protocol family 2
  124. [ 2.772552] TCP established hash table entries: 4096 (order: 3, 32768 bytes)
  125. [ 2.780487] TCP bind hash table entries: 4096 (order: 5, 180224 bytes)
  126. [ 2.790039] TCP: Hash tables configured (established 4096 bind 4096)
  127. [ 2.797424] TCP: reno registered
  128. [ 2.800903] UDP hash table entries: 256 (order: 2, 24576 bytes)
  129. [ 2.807556] UDP-Lite hash table entries: 256 (order: 2, 24576 bytes)
  130. [ 2.817626] NET: Registered protocol family 1
  131. [ 2.828063] RPC: Registered named UNIX socket transport module.
  132. [ 2.834259] RPC: Registered udp transport module.
  133. [ 2.839324] RPC: Registered tcp transport module.
  134. [ 2.844268] RPC: Registered tcp NFSv4.1 backchannel transport module.
  135. [ 2.855072] NetWinder Floating Point Emulator V0.97 (double precision)
  136. [ 2.862884] hw perfevents: enabled with ARMv7 Cortex-A8 PMU driver, 5 counters available
  137. [ 3.129394] VFS: Disk quotas dquot_6.5.2
  138. [ 3.134643] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
  139. [ 3.156646] NFS: Registering the id_resolver key type
  140. [ 3.162750] Key type id_resolver registered
  141. [ 3.167297] Key type id_legacy registered
  142. [ 3.172027] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc.
  143. [ 3.183166] msgmni has been set to 978
  144. [ 3.198455] io scheduler noop registered
  145. [ 3.202606] io scheduler deadline registered
  146. [ 3.207733] io scheduler cfq registered (default)
  147. [ 3.251800] pinctrl-single 48002030.pinmux: 742 pins at pa fa002030 size 1484
  148. [ 3.264099] pinctrl-single 48002a58.pinmux: 46 pins at pa fa002a58 size 92
  149. [ 3.287963] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
  150. [ 3.323333] omap_uart serial.5: did not get pins for uart0 error: -19
  151. [ 3.331481] serial.5: ttyO0 at MMIO 0x4806a000 (irq = 88) is a OMAP UART0
  152. [ 3.346252] omap_uart serial.6: did not get pins for uart1 error: -19
  153. [ 3.353851] serial.6: ttyO1 at MMIO 0x4806c000 (irq = 89) is a OMAP UART1
  154. [ 3.367523] omap_uart serial.7: did not get pins for uart2 error: -19
  155. [ 3.375366] serial.7: ttyO2 at MMIO 0x49020000 (irq = 90) is a OMAP UART2
  156. [ 3.382995] console [ttyO2] enabled, bootconsole disabled
  157. [ 3.382995] console [ttyO2] enabled, bootconsole disabled
  158. [ 3.402191] omap_uart serial.17: did not get pins for uart3 error: -19
  159. [ 3.415374] serial.17: ttyO3 at MMIO 0x49042000 (irq = 96) is a OMAP UART3
  160. [ 3.619079] brd: module loaded
  161. [ 3.710266] loop: module loaded
  162. [ 3.744232] mtdoops: mtd device (mtddev=name/number) must be supplied
  163. [ 3.755706] OneNAND driver initializing
  164. [ 3.763854] omap2_mcspi spi.11: pins are not configured from the driver
  165. [ 3.778564] omap2_mcspi spi.12: pins are not configured from the driver
  166. [ 3.791290] omap2_mcspi spi.13: pins are not configured from the driver
  167. [ 3.803680] omap2_mcspi spi.14: pins are not configured from the driver
  168. [ 3.844055] usbcore: registered new interface driver asix
  169. [ 3.853393] usbcore: registered new interface driver ax88179_178a
  170. [ 3.863220] usbcore: registered new interface driver cdc_ether
  171. [ 3.872619] usbcore: registered new interface driver smsc95xx
  172. [ 3.881530] usbcore: registered new interface driver net1080
  173. [ 3.890197] usbcore: registered new interface driver cdc_subset
  174. [ 3.899108] usbcore: registered new interface driver zaurus
  175. [ 3.907745] usbcore: registered new interface driver cdc_ncm
  176. [ 3.922393] usbcore: registered new interface driver cdc_wdm
  177. [ 3.928771] Initializing USB Mass Storage driver...
  178. [ 3.936798] usbcore: registered new interface driver usb-storage
  179. [ 3.943145] USB Mass Storage support registered.
  180. [ 3.950683] usbcore: registered new interface driver usbtest
  181. [ 3.967468] mousedev: PS/2 mouse device common for all mice
  182. [ 3.998138] twl_rtc rtc.23: Enabling TWL-RTC
  183. [ 4.013671] twl_rtc rtc.23: rtc core: registered rtc.23 as rtc0
  184. [ 4.028808] i2c /dev entries driver
  185. [ 4.047241] Driver for 1-wire Dallas network protocol.
  186. [ 4.070220] omap_wdt: OMAP Watchdog Timer Rev 0x31: initial timeout 60 sec
  187. [ 4.113708] omap-dma-engine omap-dma-engine: allocating channel for 62
  188. [ 4.120971] omap-dma-engine omap-dma-engine: allocating channel for 61
  189. [ 4.134765] omap_hsmmc mmc.15: pins are not configured from the driver
  190. [ 4.195281] leds-gpio leds.19: pins are not configured from the driver
  191. [ 4.222259] ledtrig-cpu: registered to indicate activity on CPUs
  192. [ 4.237884] usbcore: registered new interface driver usbhid
  193. [ 4.243804] usbhid: USB HID core driver
  194. [ 4.257080] oprofile: using arm/armv7
  195. [ 4.262603] TCP: cubic registered
  196. [ 4.266296] Initializing XFRM netlink socket
  197. [ 4.271179] NET: Registered protocol family 17
  198. [ 4.276489] NET: Registered protocol family 15
  199. [ 4.282684] Key type dns_resolver registered
  200. [ 4.287811] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 3
  201. [ 4.299438] ThumbEE CPU extension supported.
  202. [ 4.317047] mmc0: host does not support reading read-only switch. assuming write-enable.
  203. [ 4.330291] kmemleak: Kernel memory leak detector initialized
  204. [ 4.339691] kmemleak: Automatic memory scanning thread started
  205. [ 4.347320] mmc0: new high speed SDHC card at address 1234
  206. [ 4.358489] VPLL2: disabling
  207. [ 4.363952] VDAC: disabling
  208. [ 4.372436] mmcblk0: mmc0:1234 SA04G 3.63 GiB
  209. [ 4.383728] tisr_class2 regulator-avs_mpu.18: tisr_class2_probe: I STARTED
  210. [ 4.408111] avsclass2: 600 <--> 1450 mV at 1200 mV
  211. [ 4.413757] mmcblk0: p1 p2
  212. [ 4.423828] tisr_class2 regulator-avs_mpu.18: tisr_class2_probe: I AM DONE
  213. [ 4.458496] twl_rtc rtc.23: setting system clock to 2000-01-01 02:51:05 UTC (946695065)
  214. [ 4.532653] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
  215. [ 4.541870] VFS: Mounted root (ext4 filesystem) on device 179:2.
  216. [ 4.570404] devtmpfs: mounted
  217. [ 4.577575] Freeing init memory: 1852K
  218. Mounting proc : OK
  219. Mounting sysfs : OK
  220. Mounting devtmpfs:mount: mounting none on /dev failed: Device or resource busy
  221. boot mounted: OK
  222. /dev/ttyO2 linked to /dev/tty-bd - using as console
  223.  
  224. ******************************************
  225. Starting System Init for GenericOMAP3(FlattenedDeviceTree)
  226. Release: X.x
  227. Kernel: Linux GenericOMAP3(FlattenedDeviceTree) 3.9.0-rc3-00061-g70f506d-dirty #32 SMP Thu Apr 4 22:40:00 CDT 2013 armv7l GNU/Linux
  228. ******************************************
  229. Saving kernel ring buffer : OK
  230. Mounting devpts : OK
  231. Setting up networking
  232. Configuring lo : OK
  233. Starting syslogd : OK
  234. Starting klogd : OK
  235. Mounting filesystems : OK
  236. mount: mounting none on /proc/bus/usb/ failed: No such file or directory
  237.  
  238. Please press Enter to activate this console.
  239. / # ./test.sh
  240. ===================
  241. System CPUFREQ Configuration:
  242. ===================
  243. Scaling driver: generic_cpu0
  244. Scaling Regulator: /sys/class/regulator/regulator.1 : VDD1
  245. 300000 600000 800000 are the available frequencies
  246. ===================
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