linux-kernel - [PATCH] drivers/applicom:Removed the unused variable byte_reset

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Message-Id: <20241008072825.12937-1-zhujun2@cmss.chinamobile.com>
Date: Tue,  8 Oct 2024 00:28:25 -0700
From: Zhu Jun <zhujun2@...s.chinamobile.com>
To: arnd@...db.de
Cc: gregkh@...uxfoundation.org,
	zhujun2@...s.chinamobile.com,
	linux-kernel@...r.kernel.org
Subject: [PATCH] drivers/applicom:Removed the unused variable byte_reset_it

Remove unused variable and redundant readb in ac_register_board

Signed-off-by: Zhu Jun <zhujun2@...s.chinamobile.com>
---
 drivers/char/applicom.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/char/applicom.c b/drivers/char/applicom.c
index 9fed9706d9cd..ea25caf35346 100644
--- a/drivers/char/applicom.c
+++ b/drivers/char/applicom.c
@@ -127,8 +127,6 @@ static int dummy;	/* dev_id for request_irq() */
 static int ac_register_board(unsigned long physloc, void __iomem *loc, 
 		      unsigned char boardno)
 {
-	volatile unsigned char byte_reset_it;
-
 	if((readb(loc + CONF_END_TEST)     != 0x00) ||
 	   (readb(loc + CONF_END_TEST + 1) != 0x55) ||
 	   (readb(loc + CONF_END_TEST + 2) != 0xAA) ||
@@ -156,7 +154,6 @@ static int ac_register_board(unsigned long physloc, void __iomem *loc,
 	apbs[boardno].RamIO = loc;
 	init_waitqueue_head(&apbs[boardno].FlagSleepSend);
 	spin_lock_init(&apbs[boardno].mutex);
-	byte_reset_it = readb(loc + RAM_IT_TO_PC);
 
 	numboards++;
 	return boardno + 1;
-- 
2.17.1