linux-kernel - [PATCH 03/10] staging:rtl8192u: Refactor enum dm_ratr_sta_e usage

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Date:   Sat, 28 Jul 2018 00:28:19 +0100
From:   John Whitmore <johnfwhitmore@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     devel@...verdev.osuosl.org, gregkh@...uxfoundation.org,
        John Whitmore <johnfwhitmore@...il.com>
Subject: [PATCH 03/10] staging:rtl8192u: Refactor enum dm_ratr_sta_e usage - Style

The enumerated type dm_ratr_sta_e was defined in the file
drivers/staging/rtl8192u/r8192U_dm.h but never actually used in that
file. The only variable which uses this enumerated type is 'ratr_state',
a member variable of the _rate_adaptive structure defined in the file
drivers/staging/rtl8192u/r8192U.h.

To clarify and place the enumerated type close to where it is used the
type was moved to the drivers/staging/rtl8192u/r8192U.h file.

In addition the member variable 'ratr_state' which uses the enumerated
constants was declared as being of type 'u8'. This negates any advantage
of the enumerated type, compiler type-checking, so that member variable's
type has been changed to being of the enumerated type.

Additionally the typedef from the enumerated type has been removed to
clear the checkpatch issue with defining new types.

This is a coding style change and should have no impact on runtime code
execution.

Signed-off-by: John Whitmore <johnfwhitmore@...il.com>
---
 drivers/staging/rtl8192u/r8192U.h    | 10 +++++++++-
 drivers/staging/rtl8192u/r8192U_dm.h |  8 --------
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/rtl8192u/r8192U.h b/drivers/staging/rtl8192u/r8192U.h
index e615d9b3f6b1..b00781e1f5ee 100644
--- a/drivers/staging/rtl8192u/r8192U.h
+++ b/drivers/staging/rtl8192u/r8192U.h
@@ -662,9 +662,17 @@ typedef enum _RT_RF_TYPE_819xU {
 	RF_PSEUDO_11N = 4,
 } RT_RF_TYPE_819xU, *PRT_RF_TYPE_819xU;

+/* 2007/10/08 MH Define RATR state. */
+enum dm_ratr_sta_e {
+	DM_RATR_STA_HIGH = 0,
+	DM_RATR_STA_MIDDLE = 1,
+	DM_RATR_STA_LOW = 2,
+	DM_RATR_STA_MAX
+};
+
 typedef struct _rate_adaptive {
 	u8				rate_adaptive_disabled;
-	u8				ratr_state;
+	enum dm_ratr_sta_e		ratr_state;
 	u16				reserve;

 	u32				high_rssi_thresh_for_ra;
diff --git a/drivers/staging/rtl8192u/r8192U_dm.h b/drivers/staging/rtl8192u/r8192U_dm.h
index 2444e1c1357b..942e9ba8d3ad 100644
--- a/drivers/staging/rtl8192u/r8192U_dm.h
+++ b/drivers/staging/rtl8192u/r8192U_dm.h
@@ -105,14 +105,6 @@ struct dig {
 	long		rssi_val;
 };

-/* 2007/10/08 MH Define RATR state. */
-typedef enum tag_dynamic_ratr_state_definition {
-	DM_RATR_STA_HIGH = 0,
-	DM_RATR_STA_MIDDLE = 1,
-	DM_RATR_STA_LOW = 2,
-	DM_RATR_STA_MAX
-} dm_ratr_sta_e;
-
 /* 2007/10/11 MH Define DIG operation type. */
 typedef enum tag_dynamic_init_gain_operation_type_definition {
 	DIG_TYPE_THRESH_HIGH	= 0,
-- 
2.18.0