From 462833726c5461ba357ad75cf44625804b0671ba Mon Sep 17 00:00:00 2001 From: Aya Mahfouz Date: Thu, 26 Feb 2015 11:27:44 +0200 Subject: [PATCH] staging: xgifb: rewrite the right hand side of an assignment This patch rewrites the right hand side of an assignment for expressions of the form: a = (a b); to be: a = b; where = << | >>. This issue was detected and resolved using the following coccinelle script: @@ identifier i; expression e; @@ -i = (i >> e); +i >>= e; @@ identifier i; expression e; @@ -i = (i << e); +i <<= e; Signed-off-by: Aya Mahfouz Signed-off-by: Greg Kroah-Hartman --- drivers/staging/xgifb/vb_setmode.c | 140 ++++++++++++++--------------- 1 file changed, 70 insertions(+), 70 deletions(-) diff --git a/drivers/staging/xgifb/vb_setmode.c b/drivers/staging/xgifb/vb_setmode.c index 1f6f699e238c..a47395e92d20 100644 --- a/drivers/staging/xgifb/vb_setmode.c +++ b/drivers/staging/xgifb/vb_setmode.c @@ -308,11 +308,11 @@ static void XGI_SetCRT1Timing_H(struct vb_device_info *pVBInfo, data |= data1; xgifb_reg_set(pVBInfo->P3d4, 0x05, data); data = xgifb_reg_get(pVBInfo->P3c4, 0x0e); - data = data >> 5; + data >>= 5; data = data + 3; if (data > 7) data = data - 7; - data = data << 5; + data <<= 5; xgifb_reg_and_or(pVBInfo->P3c4, 0x0e, ~0xE0, data); } } @@ -347,7 +347,7 @@ static void XGI_SetCRT1Timing_V(unsigned short ModeIdIndex, data = pVBInfo->TimingV.data[6]; data &= 0x80; - data = data >> 2; + data >>= 2; i = XGI330_EModeIDTable[ModeIdIndex].Ext_ModeFlag; i &= DoubleScanMode; @@ -693,18 +693,18 @@ static void XGI_SetCRT1DE(unsigned short ModeIdIndex, tempbx = XGI330_ModeResInfo[resindex].VTotal; if (modeflag & HalfDCLK) - tempax = tempax >> 1; + tempax >>= 1; if (modeflag & HalfDCLK) - tempax = tempax << 1; + tempax <<= 1; temp = XGI330_RefIndex[RefreshRateTableIndex].Ext_InfoFlag; if (temp & InterlaceMode) - tempbx = tempbx >> 1; + tempbx >>= 1; if (modeflag & DoubleScanMode) - tempbx = tempbx << 1; + tempbx <<= 1; tempcx = 8; @@ -721,7 +721,7 @@ static void XGI_SetCRT1DE(unsigned short ModeIdIndex, (unsigned short) ((tempcx & 0x0ff00) >> 10)); xgifb_reg_set(pVBInfo->P3d4, 0x12, (unsigned short) (tempbx & 0xff)); tempax = 0; - tempbx = tempbx >> 8; + tempbx >>= 8; if (tempbx & 0x01) tempax |= 0x02; @@ -750,14 +750,14 @@ static void XGI_SetCRT1Offset(unsigned short ModeNo, /* GetOffset */ temp = XGI330_EModeIDTable[ModeIdIndex].Ext_ModeInfo; - temp = temp >> 8; + temp >>= 8; temp = XGI330_ScreenOffset[temp]; temp2 = XGI330_RefIndex[RefreshRateTableIndex].Ext_InfoFlag; temp2 &= InterlaceMode; if (temp2) - temp = temp << 1; + temp <<= 1; temp2 = pVBInfo->ModeType - ModeEGA; @@ -792,7 +792,7 @@ static void XGI_SetCRT1Offset(unsigned short ModeNo, /* SetOffset */ DisplayUnit = temp; temp2 = temp; - temp = temp >> 8; /* ah */ + temp >>= 8; /* ah */ temp &= 0x0F; i = xgifb_reg_get(pVBInfo->P3c4, 0x0E); i &= 0xF0; @@ -809,7 +809,7 @@ static void XGI_SetCRT1Offset(unsigned short ModeNo, if (temp2) DisplayUnit >>= 1; - DisplayUnit = DisplayUnit << 5; + DisplayUnit <<= 5; ah = (DisplayUnit & 0xff00) >> 8; al = DisplayUnit & 0x00ff; if (al == 0) @@ -912,7 +912,7 @@ static void XGI_SetCRT1VCLK(unsigned short ModeIdIndex, index = data; index &= 0xE0; data &= 0x1F; - data = data << 1; + data <<= 1; data += 1; data |= index; xgifb_reg_set(pVBInfo->P3c4, 0x2C, data); @@ -1011,7 +1011,7 @@ static void XGI_SetCRT1ModeRegs(struct xgi_hw_device_info *HwDeviceExtension, data2 = 0; data2 |= 0x02; data3 = pVBInfo->ModeType - ModeVGA; - data3 = data3 << 2; + data3 <<= 2; data2 |= data3; data &= InterlaceMode; @@ -1126,7 +1126,7 @@ static void XGI_LoadDAC(struct vb_device_info *pVBInfo) data2 += 0x15; outb(data2, pVBInfo->P3c9); - data = data >> 2; + data >>= 2; } } @@ -1185,10 +1185,10 @@ static void XGI_GetLVDSResInfo(unsigned short ModeIdIndex, yres = XGI330_ModeResInfo[resindex].VTotal; if (modeflag & HalfDCLK) - xres = xres << 1; + xres <<= 1; if (modeflag & DoubleScanMode) - yres = yres << 1; + yres <<= 1; if (xres == 720) xres = 640; @@ -1450,8 +1450,8 @@ static void XGI_SetLVDSRegs(unsigned short ModeIdIndex, xgifb_reg_set(pVBInfo->Part1Port, 0x1A, tempbx & 0x07); - tempcx = tempcx >> 3; - tempbx = tempbx >> 3; + tempcx >>= 3; + tempbx >>= 3; xgifb_reg_set(pVBInfo->Part1Port, 0x16, (unsigned short) (tempbx & 0xff)); @@ -1473,9 +1473,9 @@ static void XGI_SetLVDSRegs(unsigned short ModeIdIndex, tempcx -= tempax; tempax = tempbx & 0x07; - tempax = tempax >> 5; - tempcx = tempcx >> 3; - tempbx = tempbx >> 3; + tempax >>= 5; + tempcx >>= 3; + tempbx >>= 3; tempcx &= 0x1f; tempax |= tempcx; @@ -1600,7 +1600,7 @@ static void XGI_SetLVDSRegs(unsigned short ModeIdIndex, temp1 = pVBInfo->VGAHDE << 16; temp1 /= temp3; - temp3 = temp3 << 16; + temp3 <<= 16; temp1 -= 1; temp3 = (temp3 & 0xffff0000) + (temp1 & 0xffff); @@ -1622,10 +1622,10 @@ static void XGI_SetLVDSRegs(unsigned short ModeIdIndex, xgifb_reg_set(pVBInfo->Part1Port, 0x21, (unsigned short) (tempbx & 0xff)); - temp3 = temp3 >> 16; + temp3 >>= 16; if (modeflag & HalfDCLK) - temp3 = temp3 >> 1; + temp3 >>= 1; xgifb_reg_set(pVBInfo->Part1Port, 0x22, (unsigned short) ((temp3 >> 8) & 0xff)); @@ -1909,7 +1909,7 @@ static void XGI_GetVBInfo(unsigned short ModeIdIndex, tempbx = tempbx | temp; temp = xgifb_reg_get(pVBInfo->P3d4, 0x31); push = temp; - push = push << 8; + push <<= 8; tempax = temp << 8; tempbx = tempbx | tempax; temp = (SetCRT2ToDualEdge | SetCRT2ToYPbPr525750 | XGI_SetCRT2ToLCDA @@ -2107,7 +2107,7 @@ static unsigned char XGI_GetLCDInfo(unsigned short ModeIdIndex, if (pVBInfo->VBInfo & XGI_SetCRT2ToLCDA) tempax &= 0x0F; else - tempax = tempax >> 4; + tempax >>= 4; if ((resinfo == 6) || (resinfo == 9)) { if (tempax >= 3) @@ -2182,7 +2182,7 @@ static unsigned char XG21GPIODataTransfer(unsigned char ujDate) unsigned char i = 0; for (i = 0; i < 8; i++) { - ujRet = ujRet << 1; + ujRet <<= 1; ujRet |= (ujDate >> i) & 1; } @@ -2494,7 +2494,7 @@ static void XGI_GetRAMDAC2DATA(unsigned short ModeIdIndex, tempcx = (unsigned short) XGI_CRT1Table[CRT1Index].CR[14] << 8; tempcx &= 0x0100; - tempcx = tempcx << 2; + tempcx <<= 2; tempbx |= tempcx; temp1 = (unsigned short) XGI_CRT1Table[CRT1Index].CR[9]; @@ -2745,7 +2745,7 @@ static unsigned short XGI_GetOffset(unsigned short ModeNo, temp = XGI330_ScreenOffset[index]; if (infoflag & InterlaceMode) - temp = temp << 1; + temp <<= 1; colordepth = XGI_GetColorDepth(ModeIdIndex); @@ -2754,7 +2754,7 @@ static unsigned short XGI_GetOffset(unsigned short ModeNo, colordepth = ColorDepth[temp]; temp = 0x6B; if (infoflag & InterlaceMode) - temp = temp << 1; + temp <<= 1; } return temp * colordepth; } @@ -2826,7 +2826,7 @@ static void XGI_SetGroup1(unsigned short ModeIdIndex, xgifb_reg_set(pVBInfo->Part1Port, 0x0A, temp); tempcx = ((pVBInfo->VGAHT - pVBInfo->VGAHDE) / 2) >> 2; pushbx = pVBInfo->VGAHDE / 2 + 16; - tempcx = tempcx >> 1; + tempcx >>= 1; tempbx = pushbx + tempcx; /* bx BTVGA@HRS 0x0B,0x0C */ tempcx += tempbx; @@ -2861,7 +2861,7 @@ static void XGI_SetGroup1(unsigned short ModeIdIndex, xgifb_reg_set(pVBInfo->Part1Port, 0x0A, temp); tempcx = (pVBInfo->VGAHT - pVBInfo->VGAHDE) >> 2; /* cx */ pushbx = pVBInfo->VGAHDE + 16; - tempcx = tempcx >> 1; + tempcx >>= 1; tempbx = pushbx + tempcx; /* bx BTVGA@HRS 0x0B,0x0C */ tempcx += tempbx; @@ -2980,7 +2980,7 @@ static void XGI_SetLockRegs(unsigned short ModeNo, unsigned short ModeIdIndex, tempax = pVBInfo->VGAHDE; /* 0x04 Horizontal Display End */ if (modeflag & HalfDCLK) - tempax = tempax >> 1; + tempax >>= 1; tempax = (tempax / tempcx) - 1; tempbx |= ((tempax & 0x00FF) << 8); @@ -3015,7 +3015,7 @@ static void XGI_SetLockRegs(unsigned short ModeNo, unsigned short ModeIdIndex, tempax = pVBInfo->VGAHT; if (modeflag & HalfDCLK) - tempax = tempax >> 1; + tempax >>= 1; tempax = (tempax / tempcx) - 5; tempcx = tempax; /* 20030401 0x07 horizontal Retrace Start */ @@ -3142,11 +3142,11 @@ static void XGI_SetLockRegs(unsigned short ModeNo, unsigned short ModeIdIndex, tempax = push1; tempax -= tempbx; /* 0x0C Vertical Retrace Start */ - tempax = tempax >> 2; + tempax >>= 2; push1 = tempax; /* push ax */ if (resinfo != 0x09) { - tempax = tempax << 1; + tempax <<= 1; tempbx += tempax; } @@ -3179,7 +3179,7 @@ static void XGI_SetLockRegs(unsigned short ModeNo, unsigned short ModeIdIndex, } } tempax = push1; - tempax = tempax >> 2; + tempax >>= 2; tempax++; tempax += tempbx; push1 = tempax; /* push ax */ @@ -3332,7 +3332,7 @@ static void XGI_SetGroup2(unsigned short ModeNo, unsigned short ModeIdIndex, if (pVBInfo->VDE <= tempax) { tempax -= pVBInfo->VDE; - tempax = tempax >> 2; + tempax >>= 2; tempax = (tempax & 0x00FF) | ((tempax & 0x00FF) << 8); push1 = tempax; temp = (tempax & 0xFF00) >> 8; @@ -3377,7 +3377,7 @@ static void XGI_SetGroup2(unsigned short ModeNo, unsigned short ModeIdIndex, tempcx = pVBInfo->HT; if (XGI_IsLCDDualLink(pVBInfo)) - tempcx = tempcx >> 1; + tempcx >>= 1; tempcx -= 2; temp = tempcx & 0x00FF; @@ -3394,7 +3394,7 @@ static void XGI_SetGroup2(unsigned short ModeNo, unsigned short ModeIdIndex, tempcx -= 4; temp = tempcx & 0x00FF; - temp = temp << 4; + temp <<= 4; xgifb_reg_and_or(pVBInfo->Part2Port, 0x22, 0x0F, temp); tempbx = TimingPoint[j] | ((TimingPoint[j + 1]) << 8); @@ -3403,7 +3403,7 @@ static void XGI_SetGroup2(unsigned short ModeNo, unsigned short ModeIdIndex, temp = tempbx & 0x00FF; xgifb_reg_set(pVBInfo->Part2Port, 0x24, temp); temp = (tempbx & 0xFF00) >> 8; - temp = temp << 4; + temp <<= 4; xgifb_reg_and_or(pVBInfo->Part2Port, 0x25, 0x0F, temp); tempbx = push2; @@ -3428,7 +3428,7 @@ static void XGI_SetGroup2(unsigned short ModeNo, unsigned short ModeIdIndex, tempcx -= 4; temp = tempcx & 0xFF; - temp = temp << 4; + temp <<= 4; xgifb_reg_and_or(pVBInfo->Part2Port, 0x2A, 0x0F, temp); tempcx = push1; /* pop cx */ @@ -3436,7 +3436,7 @@ static void XGI_SetGroup2(unsigned short ModeNo, unsigned short ModeIdIndex, temp = TimingPoint[j] | ((TimingPoint[j + 1]) << 8); tempcx -= temp; temp = tempcx & 0x00FF; - temp = temp << 4; + temp <<= 4; xgifb_reg_and_or(pVBInfo->Part2Port, 0x2D, 0x0F, temp); tempcx -= 11; @@ -3462,9 +3462,9 @@ static void XGI_SetGroup2(unsigned short ModeNo, unsigned short ModeIdIndex, (VB_SIS301LV | VB_SIS302LV | VB_XGI301C)) { if (!(pVBInfo->TVInfo & (TVSetYPbPr525p | TVSetYPbPr750p))) - tempbx = tempbx >> 1; + tempbx >>= 1; } else - tempbx = tempbx >> 1; + tempbx >>= 1; } tempbx -= 2; @@ -3514,7 +3514,7 @@ static void XGI_SetGroup2(unsigned short ModeNo, unsigned short ModeIdIndex, if (pVBInfo->VBInfo & SetCRT2ToTV) { if (!(pVBInfo->TVInfo & (TVSetYPbPr525p | TVSetYPbPr750p))) - tempbx = tempbx >> 1; + tempbx >>= 1; } if (pVBInfo->VBType & (VB_SIS302LV | VB_XGI301C)) { @@ -3627,7 +3627,7 @@ static void XGI_SetGroup2(unsigned short ModeNo, unsigned short ModeIdIndex, xgifb_reg_set(pVBInfo->Part2Port, 0x4c, temp); temp = ((tempcx & 0xFF00) >> 8) & 0x03; - temp = temp << 2; + temp <<= 2; temp |= ((tempbx & 0xFF00) >> 8) & 0x03; if (pVBInfo->VBInfo & SetCRT2ToYPbPr525750) { @@ -3691,13 +3691,13 @@ static void XGI_SetLCDRegs(unsigned short ModeIdIndex, tempbx = pVBInfo->HDE; /* RHACTE=HDE-1 */ if (XGI_IsLCDDualLink(pVBInfo)) - tempbx = tempbx >> 1; + tempbx >>= 1; tempbx -= 1; temp = tempbx & 0x00FF; xgifb_reg_set(pVBInfo->Part2Port, 0x2C, temp); temp = (tempbx & 0xFF00) >> 8; - temp = temp << 4; + temp <<= 4; xgifb_reg_and_or(pVBInfo->Part2Port, 0x2B, 0x0F, temp); temp = 0x01; @@ -3713,7 +3713,7 @@ static void XGI_SetLCDRegs(unsigned short ModeIdIndex, temp = tempcx & 0x00FF; /* RVTVT=VT-1 */ xgifb_reg_set(pVBInfo->Part2Port, 0x19, temp); temp = (tempcx & 0xFF00) >> 8; - temp = temp << 5; + temp <<= 5; xgifb_reg_set(pVBInfo->Part2Port, 0x1A, temp); xgifb_reg_and_or(pVBInfo->Part2Port, 0x09, 0xF0, 0x00); xgifb_reg_and_or(pVBInfo->Part2Port, 0x0A, 0xF0, 0x00); @@ -3770,7 +3770,7 @@ static void XGI_SetLCDRegs(unsigned short ModeIdIndex, tempch = ((tempcx & 0xFF00) >> 8) & 0x07; tempbh = ((tempbx & 0xFF00) >> 8) & 0x07; tempah = tempch; - tempah = tempah << 3; + tempah <<= 3; tempah |= tempbh; xgifb_reg_set(pVBInfo->Part2Port, 0x02, tempah); @@ -3787,7 +3787,7 @@ static void XGI_SetLCDRegs(unsigned short ModeIdIndex, temp = tempbx & 0x00FF; /* RTVACTEE=lcdvrs */ xgifb_reg_set(pVBInfo->Part2Port, 0x04, temp); temp = (tempbx & 0xFF00) >> 8; - temp = temp << 4; + temp <<= 4; temp |= (tempcx & 0x000F); xgifb_reg_set(pVBInfo->Part2Port, 0x01, temp); tempcx = pushbx; @@ -3796,9 +3796,9 @@ static void XGI_SetLCDRegs(unsigned short ModeIdIndex, tempbx &= 0x0FFF; if (XGI_IsLCDDualLink(pVBInfo)) { - tempax = tempax >> 1; - tempbx = tempbx >> 1; - tempcx = tempcx >> 1; + tempax >>= 1; + tempbx >>= 1; + tempcx >>= 1; } if (pVBInfo->VBType & VB_SIS302LV) @@ -3826,9 +3826,9 @@ static void XGI_SetLCDRegs(unsigned short ModeIdIndex, tempax = pVBInfo->HT; tempbx = pVBInfo->LCDHRS; if (XGI_IsLCDDualLink(pVBInfo)) { - tempax = tempax >> 1; - tempbx = tempbx >> 1; - tempcx = tempcx >> 1; + tempax >>= 1; + tempbx >>= 1; + tempcx >>= 1; } if (pVBInfo->VBType & VB_SIS302LV) @@ -3843,7 +3843,7 @@ static void XGI_SetLCDRegs(unsigned short ModeIdIndex, xgifb_reg_set(pVBInfo->Part2Port, 0x1C, temp); temp = (tempbx & 0xFF00) >> 8; - temp = temp << 4; + temp <<= 4; xgifb_reg_and_or(pVBInfo->Part2Port, 0x1D, ~0x0F0, temp); temp = tempcx & 0x00FF; /* RHSYEXP2S=lcdhre */ xgifb_reg_set(pVBInfo->Part2Port, 0x21, temp); @@ -4044,10 +4044,10 @@ static void XGI_SetGroup4(unsigned short ModeIdIndex, tempbx = pVBInfo->VGAHDE; if (modeflag & HalfDCLK) - tempbx = tempbx >> 1; + tempbx >>= 1; if (XGI_IsLCDDualLink(pVBInfo)) - tempbx = tempbx >> 1; + tempbx >>= 1; if (tempcx & SetCRT2ToHiVision) { temp = 0; @@ -4107,7 +4107,7 @@ static void XGI_SetGroup4(unsigned short ModeIdIndex, xgifb_reg_set(pVBInfo->Part4Port, 0x1A, temp); tempbx = (unsigned short) (tempebx >> 16); temp = tempbx & 0x00FF; - temp = temp << 4; + temp <<= 4; temp |= ((tempcx & 0xFF00) >> 8); xgifb_reg_set(pVBInfo->Part4Port, 0x19, temp); @@ -4118,10 +4118,10 @@ static void XGI_SetGroup4(unsigned short ModeIdIndex, xgifb_reg_set(pVBInfo->Part4Port, 0x1C, temp); tempax = pVBInfo->VGAHDE; if (modeflag & HalfDCLK) - tempax = tempax >> 1; + tempax >>= 1; if (XGI_IsLCDDualLink(pVBInfo)) - tempax = tempax >> 1; + tempax >>= 1; if (pVBInfo->VBInfo & SetCRT2ToLCD) { if (tempax > 800) @@ -4162,7 +4162,7 @@ static void XGI_SetGroup4(unsigned short ModeIdIndex, xgifb_reg_and_or(pVBInfo->Part4Port, 0x1F, 0x00C0, temp); tempbx = pVBInfo->HT; if (XGI_IsLCDDualLink(pVBInfo)) - tempbx = tempbx >> 1; + tempbx >>= 1; tempbx = (tempbx >> 1) - 2; temp = ((tempbx & 0x0700) >> 8) << 3; xgifb_reg_and_or(pVBInfo->Part4Port, 0x21, 0x00C0, temp); @@ -4622,7 +4622,7 @@ static void XGI_SetDelayComp(struct vb_device_info *pVBInfo) tempbl = XGI301TVDelay; if (pVBInfo->VBInfo & SetCRT2ToDualEdge) - tempbl = tempbl >> 4; + tempbl >>= 4; if (pVBInfo->VBInfo & (SetCRT2ToLCD | XGI_SetCRT2ToLCDA)) { tempbh = XGI301LCDDelay; @@ -4785,7 +4785,7 @@ static void XGI_SetAntiFlicker(struct vb_device_info *pVBInfo) tempbx = XGI_GetTVPtrIndex(pVBInfo); tempbx &= 0xFE; tempah = TVAntiFlickList[tempbx]; - tempah = tempah << 4; + tempah <<= 4; xgifb_reg_and_or(pVBInfo->Part2Port, 0x0A, 0x8F, tempah); } @@ -4799,7 +4799,7 @@ static void XGI_SetEdgeEnhance(struct vb_device_info *pVBInfo) tempbx = XGI_GetTVPtrIndex(pVBInfo); tempbx &= 0xFE; tempah = TVEdgeList[tempbx]; - tempah = tempah << 5; + tempah <<= 5; xgifb_reg_and_or(pVBInfo->Part2Port, 0x3A, 0x1F, tempah); } @@ -5101,7 +5101,7 @@ unsigned short XGI_GetRatePtrCRT2(struct xgi_hw_device_info *pXGIHWDE, unsigned short RefreshRateTableIndex, i, index, temp; index = xgifb_reg_get(pVBInfo->P3d4, 0x33); - index = index >> pVBInfo->SelectCRT2Rate; + index >>= pVBInfo->SelectCRT2Rate; index &= 0x0F; if (pVBInfo->LCDInfo & LCDNonExpanding) -- 2.30.2