linux-kernel - [PATCH 2/2] staging: dgap: remove useless a variable within board

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Message-ID: <20140818143236.GA21833@devel.8.8.4.4>
Date:	Mon, 18 Aug 2014 23:32:36 +0900
From:	Daeseok Youn <daeseok.youn@...il.com>
To:	lidza.louina@...il.com, markh@...pro.net
Cc:	markh@...pro.net, daeseok.youn@...il.com,
	gregkh@...uxfoundation.org, driverdev-devel@...uxdriverproject.org,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] staging: dgap: remove useless a variable within board_t

The use_interrupts is used only in dagp_request_irq() for checking
a value from user config file. It doesn't need in board_t struct.

Signed-off-by: Daeseok Youn <daeseok.youn@...il.com>
---
 drivers/staging/dgap/dgap.c |    4 +---
 drivers/staging/dgap/dgap.h |    1 -
 2 files changed, 1 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/dgap/dgap.c b/drivers/staging/dgap/dgap.c
index ff95376..8929dbf 100644
--- a/drivers/staging/dgap/dgap.c
+++ b/drivers/staging/dgap/dgap.c
@@ -837,12 +837,10 @@ static int dgap_request_irq(struct board_t *brd)
 	if (!brd || brd->magic != DGAP_BOARD_MAGIC)
 		return -ENODEV;
 
-	brd->use_interrupts = dgap_config_get_useintr(brd);
-
 	/*
 	 * Set up our interrupt handler if we are set to do interrupts.
 	 */
-	if (brd->use_interrupts && brd->irq) {
+	if (dgap_config_get_useintr(brd) && brd->irq) {
 
 		rc = request_irq(brd->irq, dgap_intr, IRQF_SHARED, "DGAP", brd);
 
diff --git a/drivers/staging/dgap/dgap.h b/drivers/staging/dgap/dgap.h
index 52e1d64..a0307b9 100644
--- a/drivers/staging/dgap/dgap.h
+++ b/drivers/staging/dgap/dgap.h
@@ -558,7 +558,6 @@ struct board_t {
 
 	u16		nasync;		/* Number of ports on card */
 
-	u32		use_interrupts;	/* Should we be interrupt driven? */
 	ulong		irq;		/* Interrupt request number */
 	ulong		intr_count;	/* Count of interrupts */
 	u32		intr_used;	/* Non-zero if using interrupts */
-- 
1.7.1

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