Messages in this thread |  | | | Date | Wed, 6 Feb 2008 15:01:27 -0800 | | From | Greg KH <> | | Subject | Re: [PATCH 2/2] - SH/Dreamcast - fix maple bus bugs | |
On Wed, Feb 06, 2008 at 10:53:51PM +0000, Adrian McMenamin wrote:
> - dev->function = function;
> - dev->dev.bus = &maple_bus_type;
> - dev->dev.parent = &maple_bus;
> - dev->dev.release = &maple_release_device;
> - retval = device_register(&dev->dev);
> - if (retval) {
> - printk(KERN_INFO
> - "Maple bus: Attempt to register device (%x, %x) failed.\n",
> - dev->port, dev->unit);
> - maple_free_dev(dev);
> + mdev->function = function;
> + mdev->dev.release = &maple_release_device;
> + if (mdev->registered == 0) {
> + retval = device_register(&mdev->dev);
> + if (retval) {
> + printk(KERN_INFO
> + "Maple bus: Attempt to register device"
> + " (%x, %x) failed.\n",
> + mdev->port, mdev->unit);
> + maple_free_dev(mdev);
> + mdev = NULL;
> + return;
> + }
> + mdev->registered = 1;
> }
> - dev->registered = 1;
I think you are still papering over the real problem here of trying to
register a device twice. That's something you should never be doing,
and your bus walking logic must be incorrect...
thanks,
greg k-h
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