[#5698] rtc wake up from standby mode fails on bf537 with adv7393 installed

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[#5698] rtc wake up from standby mode fails on bf537 with adv7393 installed

Submitted By: Vivi Li

Open Date

2009-11-18 04:41:40     Close Date

2009-11-27 03:32:08

Priority:

Medium     Assignee:

Michael Hennerich

Status:

Closed     Fixed In Release:

2010R1

Found In Release:

2010R1     Release:

Category:

N/A     Board:

STAMP

Processor:

BF537     Silicon Revision:

Is this bug repeatable?:

Yes     Resolution:

Fixed

Uboot version or rev.:

    Toolchain version or rev.:

svn trunk gcc4.3

App binary format:

N/A     

Summary: rtc wake up from standby mode fails on bf537 with adv7393 installed

Details:

 

Run video_test in the background, and rtc wake up from standby mode fails on bf537-stamp with adv7393 driver installed.

Config is attached.

Because test machine had been changed, so I can not find the last passed version. First failed version is:

--

kernel:    Linux release 2.6.31.5-ADI-2010R1-pre-svn7756, build #4 Fri Nov 6 16:58:11 CST 2009

toolchain: bfin-uclinux-gcc release gcc version 4.3.4 (ADI-trunk/svn-3679)

user-dist: release svn-9112, build #52 Fri Nov 6 16:56:46 CST 2009

--

 

--

Linux version 2.6.31.6-ADI-2010R1-pre-svn7812 (test@uclinux54-adv7393-ad1981-usb1362) (gcc version 4.3.4 (ADI-trunk/svn-3679) ) 9

register early platform devices

bootconsole [early_shadow0] enabled

bootconsole [early_BFuart0] enabled

early printk enabled on early_BFuart0

Limiting kernel memory to 56MB due to anomaly 05000263

Board Memory: 64MB

Kernel Managed Memory: 64MB

Memory map:

  fixedcode = 0x00000400-0x00000490

  text      = 0x00001000-0x0010ce10

  rodata    = 0x0010ce10-0x00162c10

  bss       = 0x00163000-0x00173c34

  data      = 0x00173c34-0x00186000

    stack   = 0x00184000-0x00186000

  init      = 0x00186000-0x0083d000

  available = 0x0083d000-0x037ff000

  DMA Zone  = 0x03f00000-0x04000000

Hardware Trace Active and Enabled

Boot Mode: 0

Blackfin support (C) 2004-2009 Analog Devices, Inc.

Compiled for ADSP-BF537 Rev 0.2

Blackfin Linux support by http://blackfin.uclinux.org/

Processor Speed: 500 MHz core clock and 125 MHz System Clock

NOMPU: setting up cplb tables

Instruction Cache Enabled for CPU0

  External memory: cacheable in instruction cache

Data Cache Enabled for CPU0

  External memory: cacheable (write-back) in data cache

Built 1 zonelists in Zone order, mobility grouping off.  Total pages: 14223

Kernel command line: root=/dev/mtdblock0 rw clkin_hz=25000000 earlyprintk=serial,uart0,57600 console=ttyBF0,57600 ip=10.100.4.50f

PID hash table entries: 256 (order: 8, 1024 bytes)

Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)

Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)

Memory available: 48336k/65536k RAM, (6876k init code, 1071k kernel code, 485k data, 1024k dma, 7744k reserved)

NR_IRQS:98

Configuring Blackfin Priority Driven Interrupts

console [ttyBF0] enabled, bootconsole disabled

console [ttyBF0] enabled, bootconsole disabled

Calibrating delay loop... 995.32 BogoMIPS (lpj=1990656)

Security Framework initialized

Mount-cache hash table entries: 512

Blackfin Scratchpad data SRAM: 4 KB

Blackfin L1 Data A SRAM: 16 KB (16 KB free)

Blackfin L1 Data B SRAM: 16 KB (16 KB free)

Blackfin L1 Instruction SRAM: 48 KB (36 KB free)

NET: Registered protocol family 16

Blackfin DMA Controller

stamp_init(): registering device resources

bio: create slab <bio-0> at 0

NET: Registered protocol family 2

IP route cache hash table entries: 1024 (order: 0, 4096 bytes)

TCP established hash table entries: 2048 (order: 2, 16384 bytes)

TCP bind hash table entries: 2048 (order: 1, 8192 bytes)

TCP: Hash tables configured (established 2048 bind 2048)

TCP reno registered

NET: Registered protocol family 1

msgmni has been set to 94

io scheduler noop registered

io scheduler anticipatory registered (default)

io scheduler cfq registered

bfin-uart: Blackfin serial driver

bfin-uart.0: ttyBF0 at MMIO 0xffc00400 (irq = 18) is a BFIN-UART

brd: module loaded

bfin_mii_bus: probed

bfin_mac: attached PHY driver [SMSC LAN83C185] (mii_bus:phy_addr=0:01, irq=-1, mdc_clk=2500000Hz(mdc_div=24)@sclk=125MHz)

bfin_mac bfin_mac.0: Blackfin on-chip Ethernet MAC driver, Version 1.1

rtc-bfin rtc-bfin: rtc core: registered rtc-bfin as rtc0

bfin-wdt: initialized: timeout=20 sec (nowayout=0)

TCP cubic registered

NET: Registered protocol family 17

.IP-Config: Complete:tting system clock to 1970-10-03 04:13:15 UTC (23775195)

     device=eth0, addr=10.100.4.50, mask=255.255.255.0, gw=10.100.4.174,

     host=bf537-stamp, domain=, nis-domain=(none),

     bootserver=10.100.4.174, rootserver=10.100.4.174, rootpath=

Freeing unused kernel memory: 6876k freed

dma_alloc_init: dma_page @ 0x028ca000 - 256 pages at 0x03f00000

                           _____________________________________

        a8888b.           / Welcome to the uClinux distribution \

       d888888b.         /       _     _                         \

       8P"YP"Y88        /       | |   |_|            __  __ (TM)  |

       8|o||o|88  _____/        | |    _ ____  _   _ \ \/ /       |

       8'    .88       \        | |   | |  _ \| | | | \  /        |

       8`._.' Y8.       \       | |__ | | | | | |_| | /  \        |

      d/      `8b.       \      \____||_|_| |_|\____|/_/\_\       |

     dP   .    Y8b.       \   For embedded processors including   |

    d8:'  "  `::88b        \    the Analog Devices Blackfin      /

   d8"         'Y88b        \___________________________________/

  :8P    '      :888

   8a.   :     _a88P         For further information, check out:

._/"Yaa_:   .| 88P|            - http://blackfin.uclinux.org/

\    YP"    `| 8P  `.          - http://docs.blackfin.uclinux.org/

/     \.___.d|    .'           - http://www.uclinux.org/

`--..__)8888P`._.'  jgs/a:f    - http://www.analog.com/blackfin

 

Have a lot of fun...

 

 

BusyBox v1.15.2 (2009-11-17 05:24:14 CST) hush - the humble shell

 

root:/> PHY: 0:01 - Link is Up - 100/Full

 

root:/> modprobe i2c-bfin-twi

i2c-bfin-twi i2c-bfin-twi.0: Blackfin BF5xx on-chip I2C TWI Contoller, regs_base@ffc01400

root:/> modprobe bfin_adv7393fb

bfin-adv7393 0-002b: fb0: BFIN ADV7393 frame buffer device

bfin-adv7393 0-002b: fb memory address : 0x03f01000

root:/> rtcwake -s 15 -m standby

wakeup from "standby" at Sat Oct  3 04:14:08 1970

PM: Syncing filesystems ... done.

Freezing user space processes ... (elapsed 0.00 seconds) done.

Freezing remaining freezable tasks ... (elapsed 0.00 seconds) done.

Suspending console(s) (use no_console_suspend to debug)

PHY: 0:01 - Link is Down

Restarting tasks ... done.

root:/>

root:/> PHY: 0:01 - Link is Up - 100/Full

 

root:/> video_test

^C

root:/>

root:/> video_test &

[1] 172 video_test

root:/>

root:/> rtcwake -s 15 -m standby

wakeup from "standby" at Sat Oct  3 04:14:37 1970

PM: Syncing filesystems ... done.

Freezing user space processes ... (elapsed 0.00 seconds) done.

Freezing remaining freezable tasks ... (elapsed 0.00 seconds) done.

Suspending console(s) (use no_console_suspend to debug)

PHY: 0:01 - Link is Down

Restarting tasks ... done.

rtoÿ:ÿÿÿPHY: 0:01 - Link is Up - 100/Full

ÿrto/:

--

 

Follow-ups

 

--- Michael Hennerich                                        2009-11-20 03:57:47

assign to me

-Michael

 

--- Michael Hennerich                                        2009-11-20 04:43:49

This bug is caused by:

[uclinux-dist Bugs Item #5712] I2C client drivers using dev_pm_ops fail to

receive suspend/resume callbacks

 

Temporary fix:

Restore struct i2c_driver suspend/resume

 

--- Vivi Li                                                  2009-11-27 03:32:09

OK, close it.

 

 

 

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File Name     File Type     File Size     Posted By

config.power    application/octet-stream    33832    Vivi Li

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