linux-kernel - [PATCH 08/10] staging: rtl8192e: Remove used constants MSR_LINK_SH.. and MSR_LINK

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Date:   Sun, 29 Jan 2023 15:58:49 +0100
From:   Philipp Hortmann <philipp.g.hortmann@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: [PATCH 08/10] staging: rtl8192e: Remove used constants MSR_LINK_SH..
 and MSR_LINK_N..

Remove used constants MSR_LINK_SHIFT = 0 and MSR_LINK_NONE = 0. Use rules
a << 0 = a, 0 << 0 = 0 and msr | 0 = msr to remove dead code.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@...il.com>
---
 drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c | 12 +++---------
 drivers/staging/rtl8192e/rtl8192e/r8192E_hw.h  |  2 --
 2 files changed, 3 insertions(+), 11 deletions(-)

diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
index 1677b6c5d363..62f179f2f174 100644
--- a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
+++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
@@ -54,22 +54,16 @@ static void _rtl92e_update_msr(struct net_device *dev)
 	switch (priv->rtllib->iw_mode) {
 	case IW_MODE_INFRA:
 		if (priv->rtllib->state == RTLLIB_LINKED)
-			msr |= (MSR_LINK_MANAGED << MSR_LINK_SHIFT);
-		else
-			msr |= (MSR_LINK_NONE << MSR_LINK_SHIFT);
+			msr |= MSR_LINK_MANAGED;
 		LedAction = LED_CTL_LINK;
 		break;
 	case IW_MODE_ADHOC:
 		if (priv->rtllib->state == RTLLIB_LINKED)
-			msr |= (MSR_LINK_ADHOC << MSR_LINK_SHIFT);
-		else
-			msr |= (MSR_LINK_NONE << MSR_LINK_SHIFT);
+			msr |= MSR_LINK_ADHOC;
 		break;
 	case IW_MODE_MASTER:
 		if (priv->rtllib->state == RTLLIB_LINKED)
-			msr |= (MSR_LINK_MASTER << MSR_LINK_SHIFT);
-		else
-			msr |= (MSR_LINK_NONE << MSR_LINK_SHIFT);
+			msr |= MSR_LINK_MASTER;
 		break;
 	default:
 		break;
diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_hw.h b/drivers/staging/rtl8192e/rtl8192e/r8192E_hw.h
index 13c0e5218ecf..3782db125300 100644
--- a/drivers/staging/rtl8192e/rtl8192e/r8192E_hw.h
+++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_hw.h
@@ -172,8 +172,6 @@ enum _RTL8192Pci_HW {
 	MSR			= 0x303,
 #define MSR_LINK_MASK      ((1<<0)|(1<<1))
 #define MSR_LINK_MANAGED   2
-#define MSR_LINK_NONE      0
-#define MSR_LINK_SHIFT     0
 #define MSR_LINK_ADHOC     1
 #define MSR_LINK_MASTER    3
 
-- 
2.39.1