linux-kernel - [PATCH 5/5] staging/xgifb: Remove duplicated code in loops.

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Date:	Fri, 15 Feb 2013 20:37:13 +0100
From:	Peter Huewe <peterhuewe@....de>
To:	Arnaud Patard <arnaud.patard@...-net.org>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Aaro Koskinen <aaro.koskinen@....fi>,
	Peter Huewe <peterhuewe@....de>,
	Miguel Gómez <magomez@...lia.com>,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH 5/5] staging/xgifb: Remove duplicated code in loops.

Instead of calling the same function three times in a loop, multiply the
loop counter by three.
And since the value in DAC_TEST_PARMS is always the same we can use the
value directly.

Signed-off-by: Peter Huewe <peterhuewe@....de>
---
 drivers/staging/xgifb/vb_setmode.c |   11 +++--------
 1 files changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/xgifb/vb_setmode.c b/drivers/staging/xgifb/vb_setmode.c
index edbe70b..dfa5303 100644
--- a/drivers/staging/xgifb/vb_setmode.c
+++ b/drivers/staging/xgifb/vb_setmode.c
@@ -5464,7 +5464,6 @@ void XGI_SenseCRT1(struct vb_device_info *pVBInfo)
 
 	unsigned char CR17, CR63, SR31;
 	unsigned short temp;
-	unsigned char DAC_TEST_PARMS[3] = { 0x0F, 0x0F, 0x0F };
 
 	int i;
 	xgifb_reg_set(pVBInfo->P3c4, 0x05, 0x86);
@@ -5518,10 +5517,8 @@ void XGI_SenseCRT1(struct vb_device_info *pVBInfo)
 
 	outb(0x00, pVBInfo->P3c8);
 
-	for (i = 0; i < 256; i++) {
-		outb((unsigned char) DAC_TEST_PARMS[0], (pVBInfo->P3c8 + 1));
-		outb((unsigned char) DAC_TEST_PARMS[1], (pVBInfo->P3c8 + 1));
-		outb((unsigned char) DAC_TEST_PARMS[2], (pVBInfo->P3c8 + 1));
+	for (i = 0; i < 256 * 3; i++) {
+		outb(0x0F, (pVBInfo->P3c8 + 1)); /* DAC_TEST_PARMS */
 	}
 
 	mdelay(1);
@@ -5537,9 +5534,7 @@ void XGI_SenseCRT1(struct vb_device_info *pVBInfo)
 	/* avoid display something, set BLACK DAC if not restore DAC */
 	outb(0x00, pVBInfo->P3c8);
 
-	for (i = 0; i < 256; i++) {
-		outb(0, (pVBInfo->P3c8 + 1));
-		outb(0, (pVBInfo->P3c8 + 1));
+	for (i = 0; i < 256 * 3; i++) {
 		outb(0, (pVBInfo->P3c8 + 1));
 	}
 
-- 
1.7.8.6

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