linux-kernel - [PATCH 1/5] staging: i4l: act2000: remove unused argument

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Message-Id: <1471883698-18403-1-git-send-email-sudipm.mukherjee@gmail.com>
Date:   Mon, 22 Aug 2016 22:04:54 +0530
From:   Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org,
        Sudip Mukherjee <sudipm.mukherjee@...il.com>
Subject: [PATCH 1/5] staging: i4l: act2000: remove unused argument

The macro EVAL_NCCI was only being used in capi.c and the argument
controller was not used. Remove the argument and at the same time
remove the variable which now becomes unused.

Signed-off-by: Sudip Mukherjee <sudip.mukherjee@...ethink.co.uk>
---
 drivers/staging/i4l/act2000/capi.c | 3 +--
 drivers/staging/i4l/act2000/capi.h | 3 +--
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/i4l/act2000/capi.c b/drivers/staging/i4l/act2000/capi.c
index 3f66ca2..41b4d19 100644
--- a/drivers/staging/i4l/act2000/capi.c
+++ b/drivers/staging/i4l/act2000/capi.c
@@ -547,12 +547,11 @@ static int
 actcapi_data_b3_ind(act2000_card *card, struct sk_buff *skb) {
 	__u16 plci;
 	__u16 ncci;
-	__u16 controller;
 	__u8  blocknr;
 	int chan;
 	actcapi_msg *msg = (actcapi_msg *)skb->data;
 
-	EVAL_NCCI(msg->msg.data_b3_ind.fakencci, plci, controller, ncci);
+	EVAL_NCCI(msg->msg.data_b3_ind.fakencci, plci, ncci);
 	chan = find_ncci(card, ncci);
 	if (chan < 0)
 		return 0;
diff --git a/drivers/staging/i4l/act2000/capi.h b/drivers/staging/i4l/act2000/capi.h
index 01ccdec..7d0f52d 100644
--- a/drivers/staging/i4l/act2000/capi.h
+++ b/drivers/staging/i4l/act2000/capi.h
@@ -114,9 +114,8 @@ typedef struct actcapi_ncpd {
 #define MAKE_NCCI(plci, contr, ncci)					\
 	((plci & 0x1f) | ((contr & 0x7) << 5) | ((ncci & 0xff) << 8))
 
-#define EVAL_NCCI(fakencci, plci, contr, ncci) {	\
+#define EVAL_NCCI(fakencci, plci, ncci) {	\
 		plci  = fakencci & 0x1f;		\
-		contr = (fakencci >> 5) & 0x7;		\
 		ncci  = (fakencci >> 8) & 0xff;		\
 	}
 
-- 
1.9.1