linux-kernel - Re: [PATCH] Revert "Bluetooth: Use devname:vhci module alias for virtual HCI driver"

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Date:	Wed, 5 Mar 2014 12:50:28 -0500
From:	Josh Boyer <jwboyer@...oraproject.org>
To:	Marcel Holtmann <marcel@...tmann.org>
Cc:	Thomas Bächler <thomas@...hlinux.org>,
	"Gustavo F. Padovan" <gustavo@...ovan.org>,
	Johan Hedberg <johan.hedberg@...il.com>,
	linux-bluetooth@...r.kernel.org,
	"Linux-Kernel@...r. Kernel. Org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Revert "Bluetooth: Use devname:vhci module alias for
 virtual HCI driver"

On Wed, Mar 5, 2014 at 11:46 AM, Marcel Holtmann <marcel@...tmann.org> wrote:
> Hi Thomas,
>
>> Adding the devname:vhci alias and thus adding a static /dev/vhci device node
>> only works when assigning a fixed major/minor number. However, the code
>> currently uses a dynamically assigned minor number. It is therefore impossible
>> to create a static device and to autoload the module when accessing it.
>>
>> Reverting this fixes the kmod error message
>> depmod: ERROR: Module 'hci_vhci' has devname (vhci) but lacks major and minor information. Ignoring.
>>
>> This reverts commit bfacbb9aec029b3200053d84c8cd5d7575f2d4a5.
>
> NAK. We allocated a static minor for this.

Johan mentioned that.  Commit b075dd40c95d11c2c8690f6c4d6232fc,
correct?  Why isn't that headed into 3.14 right now, and CC'd to
stable?  Currently you have a somewhat broken driver in 3.13 and
3.14-rcX that seems to have a pretty clear fix.

josh
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