From: Jay Fenlason, Stefan Richter <stefanr@s5r6.in-berlin.de>
Date: Sun, 4 Jan 2009 15:23:29 +0000 (+0100)
Subject: firewire: cdev: add ioctl for broadcast write requests
X-Git-Tag: v2.6.30-rc1~644^2~29
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=acfe8333572cad5dc70fce18ac966be0446548d7;p=pandora-kernel.git

firewire: cdev: add ioctl for broadcast write requests

Write transactions to the broadcast node ID are a convenient way to
trigger functions of multiple nodes at once.  IIDC is a protocol which
can make use of this if multiple cameras with same command_regs_base are
connected at the same bus.

Based on
    Date: Wed, 10 Sep 2008 11:32:16 -0400
    From: Jay Fenlason <fenlason@redhat.com>
    Subject: [patch] SEND_BROADCAST_REQUEST
Changes:  ioctl_send_request() and ioctl_send_broadcast_request() now
share code.  Broadcast speed corrected to S100.  Check for proper tcode.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
---

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