[PATCH] doc: fix warnings for unused files in toctree

[hector.oron@gmail.com]

From: Héctor Orón Martínez <hector.oron@gmail.com>

There are a bunch of warnings for missing files in the toctree,
and there are files that have been removed.

The following change fix those warnings.

Signed-off-by: Héctor Orón Martínez <hector.oron@gmail.com>
---
 Documentation/admin-guide/device-mapper/index.rst | 1 +
 Documentation/admin-guide/perf/index.rst          | 1 +
 Documentation/gpu/i915.rst                        | 9 ---------
 Documentation/misc-devices/index.rst              | 1 -
 Documentation/usb/index.rst                       | 2 --
 Documentation/usb/text_files.rst                  | 6 ------
 6 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/Documentation/admin-guide/device-mapper/index.rst b/Documentation/admin-guide/device-mapper/index.rst
index 4872fb6d2952..2545e4eaf6e5 100644
--- a/Documentation/admin-guide/device-mapper/index.rst
+++ b/Documentation/admin-guide/device-mapper/index.rst
@@ -20,6 +20,7 @@ Device Mapper
     dm-service-time
     dm-uevent
     dm-zoned
+    dm-clone
     era
     kcopyd
     linear
diff --git a/Documentation/admin-guide/perf/index.rst b/Documentation/admin-guide/perf/index.rst
index 47c99f40cc16..0795994865e0 100644
--- a/Documentation/admin-guide/perf/index.rst
+++ b/Documentation/admin-guide/perf/index.rst
@@ -15,3 +15,4 @@ Performance monitor support
    xgene-pmu
    arm_dsu_pmu
    thunderx2-pmu
+   imx-ddr
diff --git a/Documentation/gpu/i915.rst b/Documentation/gpu/i915.rst
index 3415255ad3dc..7d1f65612856 100644
--- a/Documentation/gpu/i915.rst
+++ b/Documentation/gpu/i915.rst
@@ -358,15 +358,6 @@ Batchbuffer Parsing
 .. kernel-doc:: drivers/gpu/drm/i915/i915_cmd_parser.c
    :internal:
 
-Batchbuffer Pools
------------------
-
-.. kernel-doc:: drivers/gpu/drm/i915/i915_gem_batch_pool.c
-   :doc: batch pool
-
-.. kernel-doc:: drivers/gpu/drm/i915/i915_gem_batch_pool.c
-   :internal:
-
 User Batchbuffer Execution
 --------------------------
 
diff --git a/Documentation/misc-devices/index.rst b/Documentation/misc-devices/index.rst
index f11c5daeada5..a57f92dfe49a 100644
--- a/Documentation/misc-devices/index.rst
+++ b/Documentation/misc-devices/index.rst
@@ -20,4 +20,3 @@ fit into other categories.
    isl29003
    lis3lv02d
    max6875
-   xilinx_sdfec
diff --git a/Documentation/usb/index.rst b/Documentation/usb/index.rst
index e55386a4abfb..36b6ebd9a9d9 100644
--- a/Documentation/usb/index.rst
+++ b/Documentation/usb/index.rst
@@ -22,11 +22,9 @@ USB support
     misc_usbsevseg
     mtouchusb
     ohci
-    rio
     usbip_protocol
     usbmon
     usb-serial
-    wusb-design-overview
 
     usb-help
     text_files
diff --git a/Documentation/usb/text_files.rst b/Documentation/usb/text_files.rst
index 6a8d3fcf64b6..1c18c05c3920 100644
--- a/Documentation/usb/text_files.rst
+++ b/Documentation/usb/text_files.rst
@@ -16,12 +16,6 @@ USB devfs drop permissions source
 .. literalinclude:: usbdevfs-drop-permissions.c
     :language: c
 
-WUSB command line script to manipulate auth credentials
--------------------------------------------------------
-
-.. literalinclude:: wusb-cbaf
-   :language: shell
-
 Credits
 -------
 
-- 
2.20.1