linux-kernel - [PATCH v2 13/15] staging:rtl8192u: Refactor enum dm_dig_pd_th_e

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Date:   Sun, 29 Jul 2018 22:07:45 +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 v2 13/15] staging:rtl8192u: Refactor enum dm_dig_pd_th_e - Style

The enumerated type dm_dig_pd_th_e is never actually used as
the type for the two variables which use the constants, which the
enumeration defines. This omission removes the possibility of taking
advantage of compiler type checking.

To correct this the two member variables, (curpd_thstate & prepd_thstate)
have been changed to use the type enum dig_pkt_detection_threshold rather
then u8.

Additionally the enum's declaration has been moved above the dig
structure, where the type is used, the 'typedef' has been removed to
clear the checkpatch issue with defining new types, and the value
'DIG_PD_MAX' has been removed from the enumeration, since it is never
used in code.

Signed-off-by: John Whitmore <johnfwhitmore@...il.com>
---
 drivers/staging/rtl8192u/r8192U_dm.h | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/rtl8192u/r8192U_dm.h b/drivers/staging/rtl8192u/r8192U_dm.h
index 8de6d15fb659..f9d75ad9eaee 100644
--- a/drivers/staging/rtl8192u/r8192U_dm.h
+++ b/drivers/staging/rtl8192u/r8192U_dm.h
@@ -81,6 +81,12 @@ enum dig_connect {
 	DIG_CONNECT = 1,
 };
 
+enum dig_pkt_detection_threshold {
+	DIG_PD_AT_LOW_POWER = 0,
+	DIG_PD_AT_NORMAL_POWER = 1,
+	DIG_PD_AT_HIGH_POWER = 2,
+};
+
 /* 2007/10/04 MH Define upper and lower threshold of DIG enable or disable. */
 struct dig {
 	u8		dig_enable_flag;
@@ -99,8 +105,8 @@ struct dig {
 	enum dig_connect		cur_connect_state;
 	enum dig_connect		pre_connect_state;
 
-	u8		curpd_thstate;
-	u8		prepd_thstate;
+	enum dig_pkt_detection_threshold		curpd_thstate;
+	enum dig_pkt_detection_threshold		prepd_thstate;
 	u8		curcs_ratio_state;
 	u8		precs_ratio_state;
 
@@ -115,13 +121,6 @@ struct dig {
 	long		rssi_val;
 };
 
-typedef enum tag_dig_packetdetection_threshold_definition {
-	DIG_PD_AT_LOW_POWER = 0,
-	DIG_PD_AT_NORMAL_POWER = 1,
-	DIG_PD_AT_HIGH_POWER = 2,
-	DIG_PD_MAX
-} dm_dig_pd_th_e;
-
 typedef enum tag_dig_cck_cs_ratio_state_definition {
 	DIG_CS_RATIO_LOWER = 0,
 	DIG_CS_RATIO_HIGHER = 1,
-- 
2.18.0