From c8733c513df38d5e5b3a19fe54be0f5821bfda2a Mon Sep 17 00:00:00 2001
From: Johan Hovold <johan@hovoldconsulting.com>
Date: Mon, 22 Feb 2016 18:50:56 +0100
Subject: [PATCH] greybus: Documentation/sysfs: make 1-5 a 2x2 module
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Make example module 1-5 a 2x2 module by adding a second, dummy
interface.

This is both an example of how a 2x2 module would be represented and
also suggests what a dummy interface may look like.

A 2x2 module has two child interface devices and a num_interfaces value
of two.

In this example, the secondary interface 1-5.6, is a dummy interface and
therefore lacks the normal identifying attributes (e.g. UniPro DDBL1 and
Ara ids). We may eventually add an interface_type attribute to
facilitate distinguishing various interface types (there may be more
than two).

In the following tree, the bundle attributes and child devices have been
left out:

greybus1/
├── 1-2
│   ├── 1-2.2
│   │   ├── 1-2.2.1
│   │   ├── 1-2.2.2
│   │   ├── ddbl1_manufacturer_id
│   │   ├── ddbl1_product_id
│   │   ├── interface_id
│   │   ├── product_id
│   │   ├── serial_number
│   │   ├── unique_id
│   │   └── vendor_id
│   ├── eject
│   ├── module_id
│   └── num_interfaces
├── 1-5
│   ├── 1-5.5
│   │   ├── 1-5.5.2
│   │   ├── ddbl1_manufacturer_id
│   │   ├── ddbl1_product_id
│   │   ├── interface_id
│   │   ├── product_id
│   │   ├── serial_number
│   │   ├── unique_id
│   │   └── vendor_id
│   ├── 1-5.6
│   │   └── interface_id
│   ├── eject
│   ├── module_id
│   └── num_interfaces
└── 1-svc

In this example there are two modules: 1-2 is a 1x2 module with one
interface, and 1-5 is a 2x2 module with two interfaces of which the
second (1-5.6) is a dummy interface.

Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
---
 .../greybus/Documentation/sysfs/greybus1/1-5/1-5.6/interface_id | 1 +
 .../greybus/Documentation/sysfs/greybus1/1-5/num_interfaces     | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)
 create mode 100644 drivers/staging/greybus/Documentation/sysfs/greybus1/1-5/1-5.6/interface_id

diff --git a/drivers/staging/greybus/Documentation/sysfs/greybus1/1-5/1-5.6/interface_id b/drivers/staging/greybus/Documentation/sysfs/greybus1/1-5/1-5.6/interface_id
new file mode 100644
index 000000000000..1e8b31496214
--- /dev/null
+++ b/drivers/staging/greybus/Documentation/sysfs/greybus1/1-5/1-5.6/interface_id
@@ -0,0 +1 @@
+6
diff --git a/drivers/staging/greybus/Documentation/sysfs/greybus1/1-5/num_interfaces b/drivers/staging/greybus/Documentation/sysfs/greybus1/1-5/num_interfaces
index d00491fd7e5b..0cfbf08886fc 100644
--- a/drivers/staging/greybus/Documentation/sysfs/greybus1/1-5/num_interfaces
+++ b/drivers/staging/greybus/Documentation/sysfs/greybus1/1-5/num_interfaces
@@ -1 +1 @@
-1
+2
-- 
2.20.1