@@ -457,15 +457,6 @@ static u16 INFTL_makefreeblock(struct INFTLrecord *inftl, unsigned pendingblock)
return INFTL_foldchain(inftl, LongestChain, pendingblock);
}
-static int nrbits(unsigned int val, int bitcount)
-{
- int i, total = 0;
-
- for (i = 0; (i < bitcount); i++)
- total += (((0x1 << i) & val) ? 1 : 0);
- return total;
-}
-
/*
* INFTL_findwriteunit: Return the unit number into which we can write
* for this block. Make it available if it isn't already.
@@ -593,10 +584,10 @@ hitused:
if (prev_block < inftl->nb_blocks)
prev_block -= inftl->firstEUN;
- parity = (nrbits(thisVUC, 16) & 0x1) ? 0x1 : 0;
- parity |= (nrbits(prev_block, 16) & 0x1) ? 0x2 : 0;
- parity |= (nrbits(anac, 8) & 0x1) ? 0x4 : 0;
- parity |= (nrbits(nacs, 8) & 0x1) ? 0x8 : 0;
+ parity = parity16(thisVUC);
+ parity |= parity16(prev_block) << 1;
+ parity |= parity8(anac) << 2;
+ parity |= parity8(nacs) << 3;
oob.u.a.virtualUnitNo = cpu_to_le16(thisVUC);
oob.u.a.prevUnitNo = cpu_to_le16(prev_block);