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path: root/drivers/mtd/inftlcore.c
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Diffstat (limited to 'drivers/mtd/inftlcore.c')
-rw-r--r--drivers/mtd/inftlcore.c60
1 files changed, 28 insertions, 32 deletions
diff --git a/drivers/mtd/inftlcore.c b/drivers/mtd/inftlcore.c
index 39eb53f6551..8a544890173 100644
--- a/drivers/mtd/inftlcore.c
+++ b/drivers/mtd/inftlcore.c
@@ -1,4 +1,4 @@
-/*
+/*
* inftlcore.c -- Linux driver for Inverse Flash Translation Layer (INFTL)
*
* (C) Copyright 2002, Greg Ungerer (gerg@snapgear.com)
@@ -7,7 +7,7 @@
* (c) 1999 Machine Vision Holdings, Inc.
* Author: David Woodhouse <dwmw2@infradead.org>
*
- * $Id: inftlcore.c,v 1.18 2004/11/16 18:28:59 dwmw2 Exp $
+ * $Id: inftlcore.c,v 1.19 2005/11/07 11:14:20 gleixner Exp $
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -113,23 +113,21 @@ static void inftl_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd)
if (inftl->mbd.size != inftl->heads * inftl->cylinders * inftl->sectors) {
/*
- Oh no we don't have
+ Oh no we don't have
mbd.size == heads * cylinders * sectors
*/
printk(KERN_WARNING "INFTL: cannot calculate a geometry to "
"match size of 0x%lx.\n", inftl->mbd.size);
printk(KERN_WARNING "INFTL: using C:%d H:%d S:%d "
"(== 0x%lx sects)\n",
- inftl->cylinders, inftl->heads , inftl->sectors,
+ inftl->cylinders, inftl->heads , inftl->sectors,
(long)inftl->cylinders * (long)inftl->heads *
(long)inftl->sectors );
}
if (add_mtd_blktrans_dev(&inftl->mbd)) {
- if (inftl->PUtable)
- kfree(inftl->PUtable);
- if (inftl->VUtable)
- kfree(inftl->VUtable);
+ kfree(inftl->PUtable);
+ kfree(inftl->VUtable);
kfree(inftl);
return;
}
@@ -147,10 +145,8 @@ static void inftl_remove_dev(struct mtd_blktrans_dev *dev)
del_mtd_blktrans_dev(dev);
- if (inftl->PUtable)
- kfree(inftl->PUtable);
- if (inftl->VUtable)
- kfree(inftl->VUtable);
+ kfree(inftl->PUtable);
+ kfree(inftl->VUtable);
kfree(inftl);
}
@@ -223,7 +219,7 @@ static u16 INFTL_foldchain(struct INFTLrecord *inftl, unsigned thisVUC, unsigned
"Virtual Unit Chain %d!\n", thisVUC);
return BLOCK_NIL;
}
-
+
/*
* Scan to find the Erase Unit which holds the actual data for each
* 512-byte block within the Chain.
@@ -264,7 +260,7 @@ static u16 INFTL_foldchain(struct INFTLrecord *inftl, unsigned thisVUC, unsigned
"Unit Chain 0x%x\n", thisVUC);
return BLOCK_NIL;
}
-
+
thisEUN = inftl->PUtable[thisEUN];
}
@@ -295,15 +291,15 @@ static u16 INFTL_foldchain(struct INFTLrecord *inftl, unsigned thisVUC, unsigned
*/
if (BlockMap[block] == BLOCK_NIL)
continue;
-
+
ret = MTD_READ(inftl->mbd.mtd, (inftl->EraseSize *
BlockMap[block]) + (block * SECTORSIZE), SECTORSIZE,
- &retlen, movebuf);
+ &retlen, movebuf);
if (ret < 0) {
ret = MTD_READ(inftl->mbd.mtd, (inftl->EraseSize *
BlockMap[block]) + (block * SECTORSIZE),
SECTORSIZE, &retlen, movebuf);
- if (ret != -EIO)
+ if (ret != -EIO)
DEBUG(MTD_DEBUG_LEVEL1, "INFTL: error went "
"away on retry?\n");
}
@@ -355,7 +351,7 @@ static u16 INFTL_foldchain(struct INFTLrecord *inftl, unsigned thisVUC, unsigned
static u16 INFTL_makefreeblock(struct INFTLrecord *inftl, unsigned pendingblock)
{
/*
- * This is the part that needs some cleverness applied.
+ * This is the part that needs some cleverness applied.
* For now, I'm doing the minimum applicable to actually
* get the thing to work.
* Wear-levelling and other clever stuff needs to be implemented
@@ -414,7 +410,7 @@ static int nrbits(unsigned int val, int bitcount)
}
/*
- * INFTL_findwriteunit: Return the unit number into which we can write
+ * INFTL_findwriteunit: Return the unit number into which we can write
* for this block. Make it available if it isn't already.
*/
static inline u16 INFTL_findwriteunit(struct INFTLrecord *inftl, unsigned block)
@@ -463,10 +459,10 @@ static inline u16 INFTL_findwriteunit(struct INFTLrecord *inftl, unsigned block)
* Invalid block. Don't use it any more.
* Must implement.
*/
- break;
+ break;
}
-
- if (!silly--) {
+
+ if (!silly--) {
printk(KERN_WARNING "INFTL: infinite loop in "
"Virtual Unit Chain 0x%x\n", thisVUC);
return 0xffff;
@@ -482,7 +478,7 @@ hitused:
/*
- * OK. We didn't find one in the existing chain, or there
+ * OK. We didn't find one in the existing chain, or there
* is no existing chain. Allocate a new one.
*/
writeEUN = INFTL_findfreeblock(inftl, 0);
@@ -506,8 +502,8 @@ hitused:
if (writeEUN == BLOCK_NIL) {
/*
* Ouch. This should never happen - we should
- * always be able to make some room somehow.
- * If we get here, we've allocated more storage
+ * always be able to make some room somehow.
+ * If we get here, we've allocated more storage
* space than actual media, or our makefreeblock
* routine is missing something.
*/
@@ -518,7 +514,7 @@ hitused:
INFTL_dumpVUchains(inftl);
#endif
return BLOCK_NIL;
- }
+ }
}
/*
@@ -543,7 +539,7 @@ hitused:
parity |= (nrbits(prev_block, 16) & 0x1) ? 0x2 : 0;
parity |= (nrbits(anac, 8) & 0x1) ? 0x4 : 0;
parity |= (nrbits(nacs, 8) & 0x1) ? 0x8 : 0;
-
+
oob.u.a.virtualUnitNo = cpu_to_le16(thisVUC);
oob.u.a.prevUnitNo = cpu_to_le16(prev_block);
oob.u.a.ANAC = anac;
@@ -562,7 +558,7 @@ hitused:
oob.u.b.parityPerField = parity;
oob.u.b.discarded = 0xaa;
- MTD_WRITEOOB(inftl->mbd.mtd, writeEUN * inftl->EraseSize +
+ MTD_WRITEOOB(inftl->mbd.mtd, writeEUN * inftl->EraseSize +
SECTORSIZE * 4 + 8, 8, &retlen, (char *)&oob.u);
inftl->PUtable[writeEUN] = inftl->VUtable[thisVUC];
@@ -602,7 +598,7 @@ static void INFTL_trydeletechain(struct INFTLrecord *inftl, unsigned thisVUC)
"Virtual Unit Chain %d!\n", thisVUC);
return;
}
-
+
/*
* Scan through the Erase Units to determine whether any data is in
* each of the 512-byte blocks within the Chain.
@@ -642,7 +638,7 @@ static void INFTL_trydeletechain(struct INFTLrecord *inftl, unsigned thisVUC)
"Unit Chain 0x%x\n", thisVUC);
return;
}
-
+
thisEUN = inftl->PUtable[thisEUN];
}
@@ -758,7 +754,7 @@ foundit:
return 0;
}
-static int inftl_writeblock(struct mtd_blktrans_dev *mbd, unsigned long block,
+static int inftl_writeblock(struct mtd_blktrans_dev *mbd, unsigned long block,
char *buffer)
{
struct INFTLrecord *inftl = (void *)mbd;
@@ -893,7 +889,7 @@ extern char inftlmountrev[];
static int __init init_inftl(void)
{
- printk(KERN_INFO "INFTL: inftlcore.c $Revision: 1.18 $, "
+ printk(KERN_INFO "INFTL: inftlcore.c $Revision: 1.19 $, "
"inftlmount.c %s\n", inftlmountrev);
return register_mtd_blktrans(&inftl_tr);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-17 15:14:25 +0000