[PATCH] docs: fix typos and duplicated words across documentation

[Manuel Cortez <mdjesuscv@gmail.com>]

Fix the following typos and duplicated words:

- admin-guide/pm/intel-speed-select.rst: "weather" -> "whether"
- core-api/real-time/differences.rst: "the the" -> "the"
- admin-guide/bcache.rst: "to to" -> "to"
- networking/switchdev.rst: "is in in" -> "is in"

Signed-off-by: Manuel Cortez <mdjesuscv@gmail.com>
---
 Documentation/admin-guide/bcache.rst                | 2 +-
 Documentation/admin-guide/pm/intel-speed-select.rst | 2 +-
 Documentation/core-api/real-time/differences.rst    | 2 +-
 Documentation/networking/switchdev.rst              | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/Documentation/admin-guide/bcache.rst b/Documentation/admin-guide/bcache.rst
index f71f349553e4..325816edbdab 100644
--- a/Documentation/admin-guide/bcache.rst
+++ b/Documentation/admin-guide/bcache.rst
@@ -618,7 +618,7 @@ cache_replacement_policy
   One of either lru, fifo or random.
 
 freelist_percent
-  Size of the freelist as a percentage of nbuckets. Can be written to to
+  Size of the freelist as a percentage of nbuckets. Can be written to
   increase the number of buckets kept on the freelist, which lets you
   artificially reduce the size of the cache at runtime. Mostly for testing
   purposes (i.e. testing how different size caches affect your hit rate).
diff --git a/Documentation/admin-guide/pm/intel-speed-select.rst b/Documentation/admin-guide/pm/intel-speed-select.rst
index a2bfb971654f..dec2a25f10bc 100644
--- a/Documentation/admin-guide/pm/intel-speed-select.rst
+++ b/Documentation/admin-guide/pm/intel-speed-select.rst
@@ -287,7 +287,7 @@ level.
 Check presence of other Intel(R) SST features
 ---------------------------------------------
 
-Each of the performance profiles also specifies weather there is support of
+Each of the performance profiles also specifies whether there is support of
 other two Intel(R) SST features (Intel(R) Speed Select Technology - Base Frequency
 (Intel(R) SST-BF) and Intel(R) Speed Select Technology - Turbo Frequency (Intel
 SST-TF)).
diff --git a/Documentation/core-api/real-time/differences.rst b/Documentation/core-api/real-time/differences.rst
index 83ec9aa1c61a..a129570dab5a 100644
--- a/Documentation/core-api/real-time/differences.rst
+++ b/Documentation/core-api/real-time/differences.rst
@@ -213,7 +213,7 @@ to suspend until the callback completes, ensuring forward progress without
 risking livelock.
 
 In order to solve the problem at the API level, the sequence locks were extended
-to allow a proper handover between the the spinning reader and the maybe
+to allow a proper handover between the spinning reader and the maybe
 blocked writer.
 
 Sequence locks
diff --git a/Documentation/networking/switchdev.rst b/Documentation/networking/switchdev.rst
index 2966b7122f05..948bce44ca9b 100644
--- a/Documentation/networking/switchdev.rst
+++ b/Documentation/networking/switchdev.rst
@@ -162,7 +162,7 @@ The switchdev driver can know a particular port's position in the topology by
 monitoring NETDEV_CHANGEUPPER notifications.  For example, a port moved into a
 bond will see its upper master change.  If that bond is moved into a bridge,
 the bond's upper master will change.  And so on.  The driver will track such
-movements to know what position a port is in in the overall topology by
+movements to know what position a port is in the overall topology by
 registering for netdevice events and acting on NETDEV_CHANGEUPPER.
 
 L2 Forwarding Offload
-- 
2.51.0