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staging/xgifb: Remove unnecessary binary calculation in GetXG27FPBits
author
Peter Huewe
<peterhuewe@gmx.de>
Mon, 13 May 2013 21:41:48 +0000
(23:41 +0200)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Thu, 16 May 2013 23:02:34 +0000
(16:02 -0700)
If temp <= 2 no other bits than the lowest two (0x03) can be set anyway
-> this operation can be removed.
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/xgifb/vb_init.c
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diff --git
a/drivers/staging/xgifb/vb_init.c
b/drivers/staging/xgifb/vb_init.c
index
ba8796f
..
090c424
100644
(file)
--- a/
drivers/staging/xgifb/vb_init.c
+++ b/
drivers/staging/xgifb/vb_init.c
@@
-1177,9
+1177,7
@@
static unsigned char GetXG27FPBits(struct vb_device_info *pVBInfo)
/* enable GPIOA/B/C read */
xgifb_reg_and_or(pVBInfo->P3d4, 0x4A, ~0x03, 0x03);
temp = xgifb_reg_get(pVBInfo->P3d4, 0x48);
- if (temp <= 2)
- temp &= 0x03;
- else
+ if (temp > 2)
temp = ((temp & 0x04) >> 1) | ((~temp) & 0x01);
xgifb_reg_set(pVBInfo->P3d4, 0x4A, CR4A);