Messages in this thread | | | Subject | Re: [OOPS/HACK] atmel_cs and the latest changes in sysfs/symlink.c | From | Marcel Holtmann <> | Date | Fri, 23 Apr 2004 14:25:49 +0200 |
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Hi Dmitry,
> The latest change in sysfs/symlink (conversion to use kobject_name instead > of name fiedld directly) broke atmel_cs driver: > > Apr 23 00:30:10 core kernel: Oops: 0000 [#1] > Apr 23 00:30:10 core kernel: PREEMPT > Apr 23 00:30:10 core kernel: CPU: 0 > Apr 23 00:30:10 core kernel: EIP: 0060:[<c0182ef9>] Not tainted > Apr 23 00:30:10 core kernel: EFLAGS: 00010246 (2.6.6-rc2) > Apr 23 00:30:10 core kernel: EIP is at object_path_length+0x19/0x30 > Apr 23 00:30:10 core kernel: eax: 00000000 ebx: 00000000 ecx: ffffffff edx: e1930284 > Apr 23 00:30:10 core kernel: esi: 00000001 edi: 00000000 ebp: dedd5d64 esp: dedd5d58 > Apr 23 00:30:10 core kernel: ds: 007b es: 007b ss: 0068 > Apr 23 00:30:10 core kernel: Process ifenslave (pid: 1693, threadinfo=dedd4000 task=ded6c1f0) > Apr 23 00:30:10 core kernel: Stack: 00000003 00000000 e1930284 dedd5d98 c0182f99 e1930284 00000000 e192c6b4 > Apr 23 00:30:10 core kernel: dedd5d90 c01ac578 c030f37b c03876c0 de2d4de0 e192c700 de5c80c0 e192c6a0 > Apr 23 00:30:10 core kernel: dedd5dac c0211490 de5c80c8 e1930284 c0312fc6 dedd5dd4 c02117ad de5c80c0 > Apr 23 00:30:10 core kernel: Call Trace: > Apr 23 00:30:10 core kernel: [<c0182f99>] sysfs_create_link+0x29/0x140 > Apr 23 00:30:10 core kernel: [<c01ac578>] kobject_hotplug+0x58/0x60 > Apr 23 00:30:10 core kernel: [<c0211490>] class_device_dev_link+0x30/0x40 > Apr 23 00:30:10 core kernel: [<c02117ad>] class_device_add+0xed/0x130 > Apr 23 00:30:10 core kernel: [<e192a618>] fw_register_class_device+0x118/0x180 [firmware_class] > Apr 23 00:30:10 core kernel: [<e192a6ab>] fw_setup_class_device+0x2b/0x120 [firmware_class] > Apr 23 00:30:10 core kernel: [<e192a802>] request_firmware+0x62/0x170 [firmware_class] > Apr 23 00:30:10 core kernel: [<e197ccce>] reset_atmel_card+0x7ae/0x800 [atmel] > Apr 23 00:30:10 core kernel: [<e1978a82>] atmel_open+0x22/0x50 [atmel] > Apr 23 00:30:10 core kernel: [<c027f8b8>] dev_open+0xd8/0x120 > Apr 23 00:30:10 core kernel: [<c0284915>] dev_mc_upload+0x25/0x50 > Apr 23 00:30:10 core kernel: [<c0280f78>] dev_change_flags+0x138/0x150 > Apr 23 00:30:10 core kernel: [<c027f724>] dev_load+0x24/0x80 > Apr 23 00:30:10 core kernel: [<c02c0c1a>] devinet_ioctl+0x26a/0x660 > Apr 23 00:30:10 core kernel: [<c02c3324>] inet_ioctl+0x64/0xb0 > Apr 23 00:30:10 core kernel: [<c0278385>] sock_ioctl+0xf5/0x2b0 > Apr 23 00:30:10 core kernel: [<c0161320>] sys_ioctl+0x100/0x260 > Apr 23 00:30:10 core kernel: [<c010510b>] syscall_call+0x7/0xb > > Below is the "fix" that helps avoid oopsing, and should be removed when > atmel_cs driver properly registers atmel_device.
I haven't tested it yet, but the same problem should apply to the bt3c_cs driver for the 3Com Bluetooth card. Are there any patches available that integrates the PCMCIA subsystem into the driver model, so we don't have to hack around it if a firmware download is needed?
Regards
Marcel
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