linux-kernel - Re: [PATCH]bluetooth: hci_sysfs connection bus

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Date:	Thu, 01 Nov 2007 05:56:50 +0100
From:	Marcel Holtmann <marcel@...tmann.org>
To:	Dave Young <hidave.darkstar@...il.com>
Cc:	David Miller <davem@...emloft.net>, linux-kernel@...r.kernel.org,
	bluez-devel@...ts.sourceforge.net
Subject: Re: [PATCH]bluetooth: hci_sysfs connection bus_id add support for
	diffrent hci device

Hi Dave,

> > > Maybe we can use this instead:
> > > >       snprintf(conn->dev.bus_id, BUS_ID_SIZE,
> > > > -                     "%s%2.2X%2.2X%2.2X%2.2X%2.2X%2.2X",
> > > > +                     "%s%s%2.2X%2.2X%2.2X%2.2X%2.2X%2.2X",
> > > > +                     hdev->name + 3,
> > > >                       conn->type == ACL_LINK ? "acl" : "sco",
> > > >                       ba->b[5], ba->b[4], ba->b[3],
> > > >                       ba->b[2], ba->b[1], ba->b[0]);
> > >
> > > I had a look on how other subsystems handle this case and yes, they
> > > duplicate the id number from its parent device. So I applied the
> > > attached patch to my tree.
>
> Sorry for my noise.
> Theoretically, for the "%d-%s" version, overwrite is also possible.
> 
> hdev->id is u16, imagine the id is 65535, then total length is 21.

even to reach 3 digits you have to attach 100 Bluetooth devices at the
same time. Tell me when you have done that ;)

However, as I said, we have to move to using the connection handle.

Regards

Marcel


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