redonkable/alistair23-linux
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staging: keucr: Change the custom counting functions to hweight8 and hweight16

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Change the custom counting functions to hweight8 and hweight16

Signed-off-by: Roel Van Nyen <roel.vannyen@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Roel Van Nyen 2011-02-27 23:20:24 +01:00 committed by Greg Kroah-Hartman
parent 0e83f46d38
commit 2f7cf8d1ef
2 changed files with 6 additions and 33 deletions
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2
drivers/staging/keucr/smcommon.h
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@ -25,8 +25,6 @@ Define Difinetion
#define ERR_NoSmartMedia 0x003A /* Medium Not Present */
/***************************************************************************/
char Bit_D_Count(BYTE);
char Bit_D_CountWord(WORD);
void StringCopy(char *, char *, int);
int StringCmp(char *, char *, int);

37
drivers/staging/keucr/smilsub.c
View file

@ -79,7 +79,7 @@ int Check_D_FailBlock(BYTE *redundant)
return(SUCCESS);
if (!*redundant)
return(ERROR);
if (Bit_D_Count(*redundant)<7)
if (hweight8(*redundant)<7)
return(ERROR);
return(SUCCESS);
@ -100,7 +100,7 @@ int Check_D_DataStatus(BYTE *redundant)
else
ErrXDCode = NO_ERROR;
if (Bit_D_Count(*redundant)<5)
if (hweight8(*redundant)<5)
return(ERROR);
return(SUCCESS);
@ -120,14 +120,14 @@ int Load_D_LogBlockAddr(BYTE *redundant)
if ((addr1 &0xF000)==0x1000)
{ Media.LogBlock=(addr1 &0x0FFF)/2; return(SUCCESS); }
if (Bit_D_CountWord((WORD)(addr1^addr2))!=0x01) return(ERROR);
if (hweight16((WORD)(addr1^addr2))!=0x01) return(ERROR);
if ((addr1 &0xF000)==0x1000)
if (!(Bit_D_CountWord(addr1) &0x01))
if (!(hweight16(addr1) &0x01))
{ Media.LogBlock=(addr1 &0x0FFF)/2; return(SUCCESS); }
if ((addr2 &0xF000)==0x1000)
if (!(Bit_D_CountWord(addr2) &0x01))
if (!(hweight16(addr2) &0x01))
{ Media.LogBlock=(addr2 &0x0FFF)/2; return(SUCCESS); }
return(ERROR);
@ -151,7 +151,7 @@ void Set_D_LogBlockAddr(BYTE *redundant)
*(redundant+REDT_DATA) =0xFF;
addr=Media.LogBlock*2+0x1000;
if ((Bit_D_CountWord(addr)%2))
if ((hweight16(addr)%2))
addr++;
*(redundant+REDT_ADDR1H)=*(redundant+REDT_ADDR2H)=(BYTE)(addr/0x0100);
@ -1549,31 +1549,6 @@ void Set_D_RightECC(BYTE *redundant)
// StringCopy((char *)(redundant+0x08),(char *)(EccBuf+0x03),3);
//}
*/
//Common Subroutine
char Bit_D_Count(BYTE cdata)
{
WORD bitcount=0;
while(cdata) {
bitcount+=(WORD)(cdata &0x01);
cdata /=2;
}
return((char)bitcount);
}
//-----
char Bit_D_CountWord(WORD cdata)
{
WORD bitcount=0;
while(cdata) {
bitcount+=(cdata &0x01);
cdata /=2;
}
return((char)bitcount);
}
/*
//----- SM_ReadBlock() ---------------------------------------------