Re: [OOPS/HACK] atmel_cs and the latest changes in sysfs/symlink.c

From: Marcel Holtmann
Date: Fri Apr 23 2004 - 09:29:15 EST

Hi Dmitry,

> > 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?
> >
> I do not know. But the problem seems to be somewhat widespread - I just got
> oops with the following trace:
> [<c0182f99>] sysfs_create_link+0x29/0x140
> [<c01ac578>] kobject_hotplug+0x58/0x60
> [<c0211490>] class_device_dev_link+0x30/0x40
> [<c02117ad>] class_device_add+0xed/0x130
> [<e185ffab>] usb_register_dev+0x12b/0x170 [usbcore]
> [<e1b2bf2a>] hiddev_connect+0x7a/0x120 [usbhid]
> I think we should not oops, just complain loudly, when we come across a
> kobject which has never beek kobject_add()ed, like in patch below.

I can't tell you anything about the hiddev problem, but for the PCMCIA
subsystem we have the problem that right now it is not integrated into
the driver model. Maybe a dummy integration for PCMCIA would be nice or
can we get a device_simple like we have class_simple?



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