From: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Date: Tue, 18 May 2010 13:15:32 +0000 (+0300)
Subject: omap mailbox: Set a device in logical mbox instance for traceability
X-Git-Tag: v2.6.36-rc1~488^2^2~13
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6b23398591a51943dbf08f30cfc2475a895cb1b4;p=pandora-kernel.git

omap mailbox: Set a device in logical mbox instance for traceability

With this patch, you'll get the following sysfs directories. This
structure implies that a single platform device, "omap2-mailbox" holds
multiple logical mbox instances. This could be the base to add sysfs
files for each logical mboxes. Then userland application can access a
mbox through sysfs entries if necessary(ex: setting kfifo size
dynamically)

  ~# tree -d -L 2 /sys/devices/platform/omap2-mailbox/
  /sys/devices/platform/omap2-mailbox/
  |-- driver -> ../../../bus/platform/drivers/omap2-mailbox
  |-- mbox
  |   |-- dsp      <- they are each instances of logical mailbox.
  |   |-- ducati
  |   |-- iva2
  |   |-- mbox01
  |   |-- mbox02
  |   |-- mbox03
  |   |-- .....
  |   `-- tesla
  |-- power
  `-- subsystem -> ../../../bus/platform

This was wrongly dropped by:
     commit c7c158e57bce6220644f2bcd65d82e1468aa40ec

Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
---

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