Swami,
as I told you calling usb_setup succeeds, but kernel crashes while
loading musb_hdrc:
*******************************************************************************************
musb_hdrc: version 6.0, pio, peripheral, debug=0
bus: 'platform': really_probe: probing driver musb_hdrc with device musb_hdrc
bus: 'platform': really_probe: probing driver nop_usb_xceiv with device
nop_usb_xceiv
BY DTG: __gpio_cansleep called with gpio = 160
Unable to handle kernel NULL pointer dereference at virtual address 00000020
pgd = c1114000
[00000020] *pgd=811ba031, *pte=00000000, *ppte=00000000
Internal error: Oops: 17 [#1] PREEMPT
last sysfs file:
/sys/devices/platform/davinci_nand.0/mtd/mtd4/mtdblock4/removable
Modules linked in: musb_hdrc(+) nop_usb_xceiv
CPU: 0 Not tainted (2.6.32 #40)
PC is at gpio_set_value_cansleep+0x2c/0x5c
LR is at gpio_set_value_cansleep+0x18/0x5c
pc : [<c015c27c>] lr : [<c015c268>] psr: 40000013
sp : c2b47dc0 ip : 00003411 fp : c02d0b28
r10: 00000000 r9 : c02d0b20 r8 : c3c26360
r7 : 00147900 r6 : 00000001 r5 : 000000a0 r4 : 00000000
r3 : c0304940 r2 : 00000780 r1 : c0294777 r0 : c02947a9
Flags: nZcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
Control: 0005317f Table: 81114000 DAC: 00000015
Process modprobe (pid: 278, stack limit = 0xc2b46270)
Stack: (0xc2b47dc0 to 0xc2b48000)
7dc0: 00000000 bf00b310 fec64000 bf006e20 c1472000 c1472000 fec64000 bf00fc18
7de0: c02d0bd8 c1472000 c02d0b00 00000000 c3c26360 bf00f354 c3803180 00000001
7e00: 00000000 00000000 0000000c fec64000 c1472044 c014bcb8 c2b47e6c 00000ba0
7e20: a0000013 c3806850 00000000 000000d0 c039dadc c00d1d00 c384b240 c3805000
7e40: c3437520 c3437520 c2b47e90 c009db4c c2b47e58 c00d25dc 00000006 17d828dc
7e60: c384b240 c00d21c8 c3c27540 c3c27540 c2b47e90 00000000 c3c27540 c2b47e90
7e80: c384b240 00000001 00000000 c00d3128 c384b240 c3437520 00000000 c02d0b28
7ea0: c02d0b28 bf00b29c c02de300 c3c26360 c2b46000 00000000 00000000 c01737b4
7ec0: c02d0b28 c01728dc c3849540 c02d0b28 c2b47ed8 c02d0b28 c02d0b5c bf00b29c
7ee0: c02de300 c0172a48 00000000 c01729e8 bf00b29c c0172088 c3803638 c384a1b0
7f00: 00000001 bf00b29c bf00b29c c01719b0 bf009cb6 bf009cb6 c2b47f18 00000001
7f20: bf00b288 bf00b29c 00000000 c0021064 000160d0 c0172d1c 00000001 bf00b288
7f40: bf00f000 00000000 c0021064 c0173a24 00000000 bf00b328 bf00f000 c00203ac
7f60: 0000c074 bf00b328 00000000 40164000 c0021064 00000000 bf00b328 00000000
7f80: 40164000 c005e294 40164000 0000c074 00016230 0000979c 00000000 00000000
7fa0: 00000080 c0020ee0 0000979c 00000000 40164000 0000c074 00016230 00016230
7fc0: 0000979c 00000000 00000000 00000080 00000000 000160dc 000160d0 00000000
7fe0: 00016240 be916a04 0000b208 400fd7d4 60000010 40164000 e59de040 e28dd048
[<c015c27c>] (gpio_set_value_cansleep+0x2c/0x5c) from [<bf006e20>]
(davinci_source_power+0x34/0x4c [musb_hdrc])
[<bf006e20>] (davinci_source_power+0x34/0x4c [musb_hdrc]) from [<bf00fc18>]
(musb_platform_init+0x5c/0xd4 [musb_hdrc])
[<bf00fc18>] (musb_platform_init+0x5c/0xd4 [musb_hdrc]) from [<bf00f354>]
(musb_probe+0x1c8/0xa30 [musb_hdrc])
[<bf00f354>] (musb_probe+0x1c8/0xa30 [musb_hdrc]) from [<c01737b4>]
(platform_drv_probe+0x18/0x1c)
[<c01737b4>] (platform_drv_probe+0x18/0x1c) from [<c01728dc>]
(driver_probe_device+0x114/0x220)
[<c01728dc>] (driver_probe_device+0x114/0x220) from [<c0172a48>]
(__driver_attach+0x60/0x84)
[<c0172a48>] (__driver_attach+0x60/0x84) from [<c0172088>]
(bus_for_each_dev+0x44/0x74)
[<c0172088>] (bus_for_each_dev+0x44/0x74) from [<c01719b0>]
(bus_add_driver+0xa8/0x234)
[<c01719b0>] (bus_add_driver+0xa8/0x234) from [<c0172d1c>]
(driver_register+0xa8/0x134)
[<c0172d1c>] (driver_register+0xa8/0x134) from [<c0173a24>]
(platform_driver_probe+0x18/0x98)
[<c0173a24>] (platform_driver_probe+0x18/0x98) from [<c00203ac>]
(do_one_initcall+0x5c/0x1bc)
[<c00203ac>] (do_one_initcall+0x5c/0x1bc) from [<c005e294>]
(sys_init_module+0xbc/0x1e8)
[<c005e294>] (sys_init_module+0xbc/0x1e8) from [<c0020ee0>]
(ret_fast_syscall+0x0/0x28)
Code: e0020593 e59f302c e59f002c e7934002 (e5941020)
bus: 'platform': add driver watchdog
---[ end trace 49c8ae5707d7b633 ]---
udevd-event[271]: '/sbin/modprobe -b platform:musb_hdrc' abnormal exit
*******************************************************************************************
As I can see davinci_source_power from musb/davinci.c calls
gpio_set_value_cansleep while chip structure is not initialized.
I'll try to disable this call.
Thanks.
David.
SS> David,
SS> I was assuming that you are using TI EVM platform. If
SS> you are using your own platform you can call the usb_setup
SS> directly from your board init file.
SS> Regards
SS> swami
>> -----Original Message-----
>> From: [email protected]
>> [mailto:[email protected]] On Behalf
>> Of David Goshadze
>> Sent: Tuesday, March 02, 2010 5:46 PM
>> To: [email protected]
>> Subject: Re: 2.6.32 musb_hdrc fails to load (DM6446)
>>
>> Swami, Thanks again for help.
>>
>> I compiled I2C Support, though my board doesn't have one.
>> As I noticed, due to dev->bus->probe failure for I2C devices,
>> evm_u35_setup is never called.
>>
>> Can you suggest some workaround? (calling usb_setup registered USB
>> devise, but crashed kernel later as expected, due to chip was not
>> registered).
>>
>> David.
>>
>>
>>
>> SS> David,
>>
>> SS> Did you compile in the I2c Expander support in the kernel. I
>> SS> think you are missing this part of the config. Can you confirm.
>>
>> SS> regards
>> SS> swami
>>
>> SS> ________________________________________
>> SS> From: [email protected]
>> SS> [[email protected]] On Behalf
>> SS> Of David Goshadze [[email protected]]
>> SS> Sent: Saturday, February 27, 2010 6:05 PM
>> SS> To: [email protected]
>> SS> Subject: Re: 2.6.32 musb_hdrc fails to load (DM6446)
>>
>> SS> Hi all again.
>>
>> SS> Digging into sources I discovered that setup_usb (from
>> SS> arch/arm/mach-davinci/usb.c) is never called, thus platform device
>> SS> register for usb_dev is also never called.
>>
>> SS> Wondering for a reason.
>> SS> Please help.
>>
>> SS> David.
>>
>> SS>> David,
>> SS>> Could you try the aarago git davinci tree?
>>
>> SS>> From the below log it seems there could be a
>> SS>> configuration issue between the base port and the driver init.
>>
>> SS>> Regards
>> SS>> swami
>>
>> >>> -----Original Message-----
>> >>> From: davinci-linux-open-source-
>> >>> [email protected] [mailto:davinci-linux-
>> open-
>> >>> [email protected]] On Behalf Of
>> David
>> >>> Goshadze
>> >>> Sent: Wednesday, February 24, 2010 11:59 PM
>> >>> To: [email protected]
>> >>> Subject: 2.6.32 musb_hdrc fails to load (DM6446)
>> >>>
>> >>> Hi all!
>> >>>
>> >>> Please help with the following problem:
>> >>>
>> >>> I successfully loaded an built 2.6.32 for our DM6446 based board.
>> >>>
>> >>> Everything's just fine except I cannot load musb_hdrc driver.
>> >>> I got:
>> >>> modprobe musb_hdrc : version 6.0, cppi-dma, peripherial, debug=0
>> >>> FATAL: Error inserting musb_hdrc
>> >>> (/lib/modules/2/6/32/kernel/drivers/usb/musb/musb_hdrc.ko): No such
>> device
>> >>> nop_usb_xceiv loaded successfully.
>> >>>
>> >>> use_dma=n doesn't help.
>> >>>
>> >>> Spending 2 days trying various kernel configurations and googling
>> didn't
>> >>> help.
>> >>>
>> >>> With 2.6.10 (mvl) everything was fine.
>> >>>
>> >>> I'm nearly gone mad with this.
>> >>>
>> >>> David.
>> >>>
>> >>>
>> >>>
>> >>> _______________________________________________
>> >>> Davinci-linux-open-source mailing list
>> >>> [email protected]
>> >>> http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
>>
>>
>>
>> SS> ___________________________
>> SS> David Goshadze,
>> SS> Chief project developer,
>> SS> PLC Digimeq,
>> SS> 5, Vozdvizhenka str.
>> SS> Moscow, Russian Federation
>>
>> SS> Ph +7 495 9505231
>> SS> Mob +7 916 604 56 93
>> SS> Fax +7 495 9505231
>> SS> [email protected]
>> SS> www.digimeq.com
>>
>> SS> _______________________________________________
>> SS> Davinci-linux-open-source mailing list
>> SS> [email protected]
>> SS> http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
>>
>>
>> ___________________________
>> David Goshadze,
>> Chief project developer,
>> PLC Digimeq,
>> 5, Vozdvizhenka str.
>> Moscow, Russian Federation
>>
>> Ph +7 495 9505231
>> Mob +7 916 604 56 93
>> Fax +7 495 9505231
>> [email protected]
>> www.digimeq.com
>>
>> _______________________________________________
>> Davinci-linux-open-source mailing list
>> [email protected]
>> http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
___________________________
David Goshadze,
Chief project developer,
PLC Digimeq,
5, Vozdvizhenka str.
Moscow, Russian Federation
Ph +7 495 9505231
Mob +7 916 604 56 93
Fax +7 495 9505231
[email protected]
www.digimeq.com
_______________________________________________
Davinci-linux-open-source mailing list
[email protected]
http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
