Merge master.kernel.org:/pub/scm/linux/kernel/git/tglx/mtd-2.6

18 files changed, 180 insertions, 109 deletions

diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index 143f01a4c17..69c04945591 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -4,7 +4,7 @@
  *
  * (C) 2000 Red Hat. GPL'd
  *
- * $Id: cfi_cmdset_0001.c,v 1.185 2005/11/07 11:14:22 gleixner Exp $
+ * $Id: cfi_cmdset_0001.c,v 1.186 2005/11/23 22:07:52 nico Exp $
  *
  *
  * 10/10/2000	Nicolas Pitre <nico@cam.org>
@@ -644,9 +644,8 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
 		 *
 		 * - contension arbitration is handled in the owner's context.
 		 *
-		 * The 'shared' struct can be read when its lock is taken.
-		 * However any writes to it can only be made when the current
-		 * owner's lock is also held.
+		 * The 'shared' struct can be read and/or written only when
+		 * its lock is taken.
 		 */
 		struct flchip_shared *shared = chip->priv;
 		struct flchip *contender;
@@ -675,14 +674,13 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
 			}
 			timeo = jiffies + HZ;
 			spin_lock(&shared->lock);
+			spin_unlock(contender->mutex);
 		}
 
 		/* We now own it */
 		shared->writing = chip;
 		if (mode == FL_ERASING)
 			shared->erasing = chip;
-		if (contender && contender != chip)
-			spin_unlock(contender->mutex);
 		spin_unlock(&shared->lock);
 	}
 
diff --git a/drivers/mtd/chips/cfi_probe.c b/drivers/mtd/chips/cfi_probe.c
index 90eb30e06b7..e636aa86bc2 100644
--- a/drivers/mtd/chips/cfi_probe.c
+++ b/drivers/mtd/chips/cfi_probe.c
@@ -1,7 +1,7 @@
 /*
    Common Flash Interface probe code.
    (C) 2000 Red Hat. GPL'd.
-   $Id: cfi_probe.c,v 1.84 2005/11/07 11:14:23 gleixner Exp $
+   $Id: cfi_probe.c,v 1.86 2005/11/29 14:48:31 gleixner Exp $
 */
 
 #include <linux/config.h>
@@ -230,8 +230,8 @@ static int __xipram cfi_chip_setup(struct map_info *map,
 	cfi_send_gen_cmd(0xaa, 0x555, base, map, cfi, cfi->device_type, NULL);
 	cfi_send_gen_cmd(0x55, 0x2aa, base, map, cfi, cfi->device_type, NULL);
 	cfi_send_gen_cmd(0x90, 0x555, base, map, cfi, cfi->device_type, NULL);
-	cfi->mfr = cfi_read_query(map, base);
-	cfi->id = cfi_read_query(map, base + ofs_factor);
+	cfi->mfr = cfi_read_query16(map, base);
+	cfi->id = cfi_read_query16(map, base + ofs_factor);
 
 	/* Put it back into Read Mode */
 	cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
@@ -426,7 +426,7 @@ static struct mtd_chip_driver cfi_chipdrv = {
 	.module		= THIS_MODULE
 };
 
-int __init cfi_probe_init(void)
+static int __init cfi_probe_init(void)
 {
 	register_mtd_chip_driver(&cfi_chipdrv);
 	return 0;
diff --git a/drivers/mtd/chips/sharp.c b/drivers/mtd/chips/sharp.c
index 2d26bdef82d..36f61a6a766 100644
--- a/drivers/mtd/chips/sharp.c
+++ b/drivers/mtd/chips/sharp.c
@@ -4,7 +4,7 @@
  * Copyright 2000,2001 David A. Schleef <ds@schleef.org>
  *           2000,2001 Lineo, Inc.
  *
- * $Id: sharp.c,v 1.16 2005/11/07 11:14:23 gleixner Exp $
+ * $Id: sharp.c,v 1.17 2005/11/29 14:28:28 gleixner Exp $
  *
  * Devices supported:
  *   LH28F016SCT Symmetrical block flash memory, 2Mx8
@@ -160,22 +160,28 @@ struct mtd_info *sharp_probe(struct map_info *map)
 	return mtd;
 }
 
+static inline void sharp_send_cmd(struct map_info *map, unsigned long cmd, unsigned long adr)
+{
+	map_word map_cmd;
+	map_cmd.x[0] = cmd;
+	map_write(map, map_cmd, adr);
+}
+
 static int sharp_probe_map(struct map_info *map,struct mtd_info *mtd)
 {
-	unsigned long tmp;
+	map_word tmp, read0, read4;
 	unsigned long base = 0;
-	u32 read0, read4;
 	int width = 4;
 
-	tmp = map_read32(map, base+0);
+	tmp = map_read(map, base+0);
 
-	map_write32(map, CMD_READ_ID, base+0);
+	sharp_send_cmd(map, CMD_READ_ID, base+0);
 
-	read0=map_read32(map, base+0);
-	read4=map_read32(map, base+4);
-	if(read0 == 0x89898989){
+	read0 = map_read(map, base+0);
+	read4 = map_read(map, base+4);
+	if(read0.x[0] == 0x89898989){
 		printk("Looks like sharp flash\n");
-		switch(read4){
+		switch(read4.x[0]){
 		case 0xaaaaaaaa:
 		case 0xa0a0a0a0:
 			/* aa - LH28F016SCT-L95 2Mx8, 32 64k blocks*/
@@ -197,16 +203,16 @@ static int sharp_probe_map(struct map_info *map,struct mtd_info *mtd)
 			return width;
 #endif
 		default:
-			printk("Sort-of looks like sharp flash, 0x%08x 0x%08x\n",
-				read0,read4);
+			printk("Sort-of looks like sharp flash, 0x%08lx 0x%08lx\n",
+				read0.x[0], read4.x[0]);
 		}
-	}else if((map_read32(map, base+0) == CMD_READ_ID)){
+	}else if((map_read(map, base+0).x[0] == CMD_READ_ID)){
 		/* RAM, probably */
 		printk("Looks like RAM\n");
-		map_write32(map, tmp, base+0);
+		map_write(map, tmp, base+0);
 	}else{
-		printk("Doesn't look like sharp flash, 0x%08x 0x%08x\n",
-			read0,read4);
+		printk("Doesn't look like sharp flash, 0x%08lx 0x%08lx\n",
+			read0.x[0], read4.x[0]);
 	}
 
 	return 0;
@@ -215,7 +221,8 @@ static int sharp_probe_map(struct map_info *map,struct mtd_info *mtd)
 /* This function returns with the chip->mutex lock held. */
 static int sharp_wait(struct map_info *map, struct flchip *chip)
 {
-	int status, i;
+	int i;
+	map_word status;
 	unsigned long timeo = jiffies + HZ;
 	DECLARE_WAITQUEUE(wait, current);
 	int adr = 0;
@@ -225,12 +232,12 @@ retry:
 
 	switch(chip->state){
 	case FL_READY:
-		map_write32(map,CMD_READ_STATUS,adr);
+		sharp_send_cmd(map, CMD_READ_STATUS, adr);
 		chip->state = FL_STATUS;
 	case FL_STATUS:
 		for(i=0;i<100;i++){
-			status = map_read32(map,adr);
-			if((status & SR_READY)==SR_READY)
+			status = map_read(map, adr);
+			if((status.x[0] & SR_READY)==SR_READY)
 				break;
 			udelay(1);
 		}
@@ -254,7 +261,7 @@ retry:
 		goto retry;
 	}
 
-	map_write32(map,CMD_RESET, adr);
+	sharp_send_cmd(map, CMD_RESET, adr);
 
 	chip->state = FL_READY;
 
@@ -351,37 +358,39 @@ static int sharp_write_oneword(struct map_info *map, struct flchip *chip,
 	int timeo;
 	int try;
 	int i;
-	int status = 0;
+	map_word data, status;
 
+	status.x[0] = 0;
 	ret = sharp_wait(map,chip);
 
 	for(try=0;try<10;try++){
-		map_write32(map,CMD_BYTE_WRITE,adr);
+		sharp_send_cmd(map, CMD_BYTE_WRITE, adr);
 		/* cpu_to_le32 -> hack to fix the writel be->le conversion */
-		map_write32(map,cpu_to_le32(datum),adr);
+		data.x[0] = cpu_to_le32(datum);
+		map_write(map, data, adr);
 
 		chip->state = FL_WRITING;
 
 		timeo = jiffies + (HZ/2);
 
-		map_write32(map,CMD_READ_STATUS,adr);
+		sharp_send_cmd(map, CMD_READ_STATUS, adr);
 		for(i=0;i<100;i++){
-			status = map_read32(map,adr);
-			if((status & SR_READY)==SR_READY)
+			status = map_read(map, adr);
+			if((status.x[0] & SR_READY) == SR_READY)
 				break;
 		}
 		if(i==100){
 			printk("sharp: timed out writing\n");
 		}
 
-		if(!(status&SR_ERRORS))
+		if(!(status.x[0] & SR_ERRORS))
 			break;
 
-		printk("sharp: error writing byte at addr=%08lx status=%08x\n",adr,status);
+		printk("sharp: error writing byte at addr=%08lx status=%08lx\n", adr, status.x[0]);
 
-		map_write32(map,CMD_CLEAR_STATUS,adr);
+		sharp_send_cmd(map, CMD_CLEAR_STATUS, adr);
 	}
-	map_write32(map,CMD_RESET,adr);
+	sharp_send_cmd(map, CMD_RESET, adr);
 	chip->state = FL_READY;
 
 	wake_up(&chip->wq);
@@ -434,18 +443,18 @@ static int sharp_do_wait_for_ready(struct map_info *map, struct flchip *chip,
 {
 	int ret;
 	unsigned long timeo;
-	int status;
+	map_word status;
 	DECLARE_WAITQUEUE(wait, current);
 
-	map_write32(map,CMD_READ_STATUS,adr);
-	status = map_read32(map,adr);
+	sharp_send_cmd(map, CMD_READ_STATUS, adr);
+	status = map_read(map, adr);
 
 	timeo = jiffies + HZ;
 
 	while(time_before(jiffies, timeo)){
-		map_write32(map,CMD_READ_STATUS,adr);
-		status = map_read32(map,adr);
-		if((status & SR_READY)==SR_READY){
+		sharp_send_cmd(map, CMD_READ_STATUS, adr);
+		status = map_read(map, adr);
+		if((status.x[0] & SR_READY)==SR_READY){
 			ret = 0;
 			goto out;
 		}
@@ -476,7 +485,7 @@ static int sharp_erase_oneblock(struct map_info *map, struct flchip *chip,
 {
 	int ret;
 	//int timeo;
-	int status;
+	map_word status;
 	//int i;
 
 //printk("sharp_erase_oneblock()\n");
@@ -486,26 +495,26 @@ static int sharp_erase_oneblock(struct map_info *map, struct flchip *chip,
 	sharp_unlock_oneblock(map,chip,adr);
 #endif
 
-	map_write32(map,CMD_BLOCK_ERASE_1,adr);
-	map_write32(map,CMD_BLOCK_ERASE_2,adr);
+	sharp_send_cmd(map, CMD_BLOCK_ERASE_1, adr);
+	sharp_send_cmd(map, CMD_BLOCK_ERASE_2, adr);
 
 	chip->state = FL_ERASING;
 
 	ret = sharp_do_wait_for_ready(map,chip,adr);
 	if(ret<0)return ret;
 
-	map_write32(map,CMD_READ_STATUS,adr);
-	status = map_read32(map,adr);
+	sharp_send_cmd(map, CMD_READ_STATUS, adr);
+	status = map_read(map, adr);
 
-	if(!(status&SR_ERRORS)){
-		map_write32(map,CMD_RESET,adr);
+	if(!(status.x[0] & SR_ERRORS)){
+		sharp_send_cmd(map, CMD_RESET, adr);
 		chip->state = FL_READY;
 		//spin_unlock_bh(chip->mutex);
 		return 0;
 	}
 
-	printk("sharp: error erasing block at addr=%08lx status=%08x\n",adr,status);
-	map_write32(map,CMD_CLEAR_STATUS,adr);
+	printk("sharp: error erasing block at addr=%08lx status=%08lx\n", adr, status.x[0]);
+	sharp_send_cmd(map, CMD_CLEAR_STATUS, adr);
 
 	//spin_unlock_bh(chip->mutex);
 
@@ -517,20 +526,20 @@ static void sharp_unlock_oneblock(struct map_info *map, struct flchip *chip,
 	unsigned long adr)
 {
 	int i;
-	int status;
+	map_word status;
 
-	map_write32(map,CMD_CLEAR_BLOCK_LOCKS_1,adr);
-	map_write32(map,CMD_CLEAR_BLOCK_LOCKS_2,adr);
+	sharp_send_cmd(map, CMD_CLEAR_BLOCK_LOCKS_1, adr);
+	sharp_send_cmd(map, CMD_CLEAR_BLOCK_LOCKS_2, adr);
 
 	udelay(100);
 
-	status = map_read32(map,adr);
-	printk("status=%08x\n",status);
+	status = map_read(map, adr);
+	printk("status=%08lx\n", status.x[0]);
 
 	for(i=0;i<1000;i++){
-		//map_write32(map,CMD_READ_STATUS,adr);
-		status = map_read32(map,adr);
-		if((status & SR_READY)==SR_READY)
+		//sharp_send_cmd(map, CMD_READ_STATUS, adr);
+		status = map_read(map, adr);
+		if((status.x[0] & SR_READY) == SR_READY)
 			break;
 		udelay(100);
 	}
@@ -538,14 +547,14 @@ static void sharp_unlock_oneblock(struct map_info *map, struct flchip *chip,
 		printk("sharp: timed out unlocking block\n");
 	}
 
-	if(!(status&SR_ERRORS)){
-		map_write32(map,CMD_RESET,adr);
+	if(!(status.x[0] & SR_ERRORS)){
+		sharp_send_cmd(map, CMD_RESET, adr);
 		chip->state = FL_READY;
 		return;
 	}
 
-	printk("sharp: error unlocking block at addr=%08lx status=%08x\n",adr,status);
-	map_write32(map,CMD_CLEAR_STATUS,adr);
+	printk("sharp: error unlocking block at addr=%08lx status=%08lx\n", adr, status.x[0]);
+	sharp_send_cmd(map, CMD_CLEAR_STATUS, adr);
 }
 #endif
 
diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c
index 0aaa0ced9ab..7ff403b2a0a 100644
--- a/drivers/mtd/devices/block2mtd.c
+++ b/drivers/mtd/devices/block2mtd.c
@@ -1,5 +1,5 @@
 /*
- * $Id: block2mtd.c,v 1.29 2005/11/07 11:14:24 gleixner Exp $
+ * $Id: block2mtd.c,v 1.30 2005/11/29 14:48:32 gleixner Exp $
  *
  * block2mtd.c - create an mtd from a block device
  *
@@ -19,7 +19,7 @@
 #include <linux/mtd/mtd.h>
 #include <linux/buffer_head.h>
 
-#define VERSION "$Revision: 1.29 $"
+#define VERSION "$Revision: 1.30 $"
 
 
 #define ERROR(fmt, args...) printk(KERN_ERR "block2mtd: " fmt "\n" , ## args)
@@ -40,7 +40,7 @@ static LIST_HEAD(blkmtd_device_list);
 
 
 #define PAGE_READAHEAD 64
-void cache_readahead(struct address_space *mapping, int index)
+static void cache_readahead(struct address_space *mapping, int index)
 {
 	filler_t *filler = (filler_t*)mapping->a_ops->readpage;
 	int i, pagei;
diff --git a/drivers/mtd/devices/ms02-nv.c b/drivers/mtd/devices/ms02-nv.c
index f5026cee087..0ff2e437824 100644
--- a/drivers/mtd/devices/ms02-nv.c
+++ b/drivers/mtd/devices/ms02-nv.c
@@ -6,7 +6,7 @@
  *	as published by the Free Software Foundation; either version
  *	2 of the License, or (at your option) any later version.
  *
- *	$Id: ms02-nv.c,v 1.10 2005/06/20 12:24:41 macro Exp $
+ *	$Id: ms02-nv.c,v 1.11 2005/11/14 13:41:47 macro Exp $
  */
 
 #include <linux/init.h>
@@ -293,13 +293,13 @@ static int __init ms02nv_init(void)
 
 	switch (mips_machtype) {
 	case MACH_DS5000_200:
-		csr = (volatile u32 *)KN02_CSR_BASE;
+		csr = (volatile u32 *)CKSEG1ADDR(KN02_SLOT_BASE + KN02_CSR);
 		if (*csr & KN02_CSR_BNK32M)
 			stride = 2;
 		break;
 	case MACH_DS5000_2X0:
 	case MACH_DS5900:
-		csr = (volatile u32 *)KN03_MCR_BASE;
+		csr = (volatile u32 *)CKSEG1ADDR(KN03_SLOT_BASE + IOASIC_MCR);
 		if (*csr & KN03_MCR_BNK32M)
 			stride = 2;
 		break;
diff --git a/drivers/mtd/ftl.c b/drivers/mtd/ftl.c
index de7e231d6d1..8a878b34eca 100644
--- a/drivers/mtd/ftl.c
+++ b/drivers/mtd/ftl.c
@@ -1,5 +1,5 @@
 /* This version ported to the Linux-MTD system by dwmw2@infradead.org
- * $Id: ftl.c,v 1.58 2005/11/07 11:14:19 gleixner Exp $
+ * $Id: ftl.c,v 1.59 2005/11/29 14:48:31 gleixner Exp $
  *
  * Fixes: Arnaldo Carvalho de Melo <acme@conectiva.com.br>
  * - fixes some leaks on failure in build_maps and ftl_notify_add, cleanups
@@ -1084,9 +1084,9 @@ struct mtd_blktrans_ops ftl_tr = {
 	.owner		= THIS_MODULE,
 };
 
-int init_ftl(void)
+static int init_ftl(void)
 {
-	DEBUG(0, "$Id: ftl.c,v 1.58 2005/11/07 11:14:19 gleixner Exp $\n");
+	DEBUG(0, "$Id: ftl.c,v 1.59 2005/11/29 14:48:31 gleixner Exp $\n");
 
 	return register_mtd_blktrans(&ftl_tr);
 }
diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig
index 846a533323a..452ccd5037c 100644
--- a/drivers/mtd/maps/Kconfig
+++ b/drivers/mtd/maps/Kconfig
@@ -538,12 +538,6 @@ config MTD_MPC1211
 	  This enables access to the flash chips on the Interface MPC-1211(CTP/PCI/MPC-SH02).
 	  If you have such a board, say 'Y'.
 
-config MTD_PQ2FADS
-	tristate "JEDEC flash SIMM mapped on PQ2FADS and 8272ADS boards"
-	depends on (ADS8272 || PQ2FADS) && MTD_PARTITIONS && MTD_JEDECPROBE && MTD_PHYSMAP && MTD_CFI_GEOMETRY && MTD_CFI_INTELEXT
-	help
-	 This enables access to flash SIMM on PQ2FADS-like boards
-
 config MTD_OMAP_NOR
 	tristate "TI OMAP board mappings"
 	depends on MTD_CFI && ARCH_OMAP
diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile
index 7d9e940a1dc..2f7e254912f 100644
--- a/drivers/mtd/maps/Makefile
+++ b/drivers/mtd/maps/Makefile
@@ -70,6 +70,5 @@ obj-$(CONFIG_MTD_DMV182)	+= dmv182.o
 obj-$(CONFIG_MTD_SHARP_SL)	+= sharpsl-flash.o
 obj-$(CONFIG_MTD_PLATRAM)	+= plat-ram.o
 obj-$(CONFIG_MTD_OMAP_NOR)	+= omap_nor.o
-obj-$(CONFIG_MTD_PQ2FADS)	+= pq2fads.o
 obj-$(CONFIG_MTD_MTX1)		+= mtx-1_flash.o
 obj-$(CONFIG_MTD_TQM834x)	+= tqm834x.o
diff --git a/drivers/mtd/maps/ixp4xx.c b/drivers/mtd/maps/ixp4xx.c
index a59f8027903..986c5862839 100644
--- a/drivers/mtd/maps/ixp4xx.c
+++ b/drivers/mtd/maps/ixp4xx.c
@@ -1,5 +1,5 @@
 /*
- * $Id: ixp4xx.c,v 1.12 2005/11/07 11:14:27 gleixner Exp $
+ * $Id: ixp4xx.c,v 1.13 2005/11/16 16:23:21 dvrabel Exp $
  *
  * drivers/mtd/maps/ixp4xx.c
  *
@@ -34,10 +34,55 @@
 
 #include <linux/reboot.h>
 
+/*
+ * Read/write a 16 bit word from flash address 'addr'.
+ *
+ * When the cpu is in little-endian mode it swizzles the address lines
+ * ('address coherency') so we need to undo the swizzling to ensure commands
+ * and the like end up on the correct flash address.
+ *
+ * To further complicate matters, due to the way the expansion bus controller
+ * handles 32 bit reads, the byte stream ABCD is stored on the flash as:
+ *     D15    D0
+ *     +---+---+
+ *     | A | B | 0
+ *     +---+---+
+ *     | C | D | 2
+ *     +---+---+
+ * This means that on LE systems each 16 bit word must be swapped. Note that
+ * this requires CONFIG_MTD_CFI_BE_BYTE_SWAP to be enabled to 'unswap' the CFI
+ * data and other flash commands which are always in D7-D0.
+ */
 #ifndef __ARMEB__
+#ifndef CONFIG_MTD_CFI_BE_BYTE_SWAP
+#  error CONFIG_MTD_CFI_BE_BYTE_SWAP required
+#endif
+
+static inline u16 flash_read16(void __iomem *addr)
+{
+	return be16_to_cpu(__raw_readw((void __iomem *)((unsigned long)addr ^ 0x2)));
+}
+
+static inline void flash_write16(u16 d, void __iomem *addr)
+{
+	__raw_writew(cpu_to_be16(d), (void __iomem *)((unsigned long)addr ^ 0x2));
+}
+
 #define	BYTE0(h)	((h) & 0xFF)
 #define	BYTE1(h)	(((h) >> 8) & 0xFF)
+
 #else
+
+static inline u16 flash_read16(const void __iomem *addr)
+{
+	return __raw_readw(addr);
+}
+
+static inline void flash_write16(u16 d, void __iomem *addr)
+{
+	__raw_writew(d, addr);
+}
+
 #define	BYTE0(h)	(((h) >> 8) & 0xFF)
 #define	BYTE1(h)	((h) & 0xFF)
 #endif
@@ -45,7 +90,7 @@
 static map_word ixp4xx_read16(struct map_info *map, unsigned long ofs)
 {
 	map_word val;
-	val.x[0] = le16_to_cpu(readw(map->virt + ofs));
+	val.x[0] = flash_read16(map->virt + ofs);
 	return val;
 }
 
@@ -57,19 +102,28 @@ static map_word ixp4xx_read16(struct map_info *map, unsigned long ofs)
 static void ixp4xx_copy_from(struct map_info *map, void *to,
 			     unsigned long from, ssize_t len)
 {
-	int i;
 	u8 *dest = (u8 *) to;
 	void __iomem *src = map->virt + from;
-	u16 data;
 
-	for (i = 0; i < (len / 2); i++) {
-		data = le16_to_cpu(readw(src + 2*i));
-		dest[i * 2] = BYTE0(data);
-		dest[i * 2 + 1] = BYTE1(data);
+	if (len <= 0)
+		return;
+
+	if (from & 1) {
+		*dest++ = BYTE1(flash_read16(src));
+                src++;
+		--len;
 	}
 
-	if (len & 1)
-		dest[len - 1] = BYTE0(le16_to_cpu(readw(src + 2*i)));
+	while (len >= 2) {
+		u16 data = flash_read16(src);
+		*dest++ = BYTE0(data);
+		*dest++ = BYTE1(data);
+		src += 2;
+		len -= 2;
+        }
+
+	if (len > 0)
+		*dest++ = BYTE0(flash_read16(src));
 }
 
 /*
@@ -79,7 +133,7 @@ static void ixp4xx_copy_from(struct map_info *map, void *to,
 static void ixp4xx_probe_write16(struct map_info *map, map_word d, unsigned long adr)
 {
 	if (!(adr & 1))
-		writew(cpu_to_le16(d.x[0]), map->virt + adr);
+		flash_write16(d.x[0], map->virt + adr);
 }
 
 /*
@@ -87,7 +141,7 @@ static void ixp4xx_probe_write16(struct map_info *map, map_word d, unsigned long
  */
 static void ixp4xx_write16(struct map_info *map, map_word d, unsigned long adr)
 {
-	writew(cpu_to_le16(d.x[0]), map->virt + adr);
+	flash_write16(d.x[0], map->virt + adr);
 }
 
 struct ixp4xx_flash_info {
diff --git a/drivers/mtd/maps/nettel.c b/drivers/mtd/maps/nettel.c
index f00ee7e54db..632eb2aa968 100644
--- a/drivers/mtd/maps/nettel.c
+++ b/drivers/mtd/maps/nettel.c
@@ -6,7 +6,7 @@
  *      (C) Copyright 2000-2001, Greg Ungerer (gerg@snapgear.com)
  *      (C) Copyright 2001-2002, SnapGear (www.snapgear.com)
  *
- *	$Id: nettel.c,v 1.11 2005/11/07 11:14:27 gleixner Exp $
+ *	$Id: nettel.c,v 1.12 2005/11/29 14:30:00 gleixner Exp $
  */
 
 /****************************************************************************/
@@ -479,7 +479,7 @@ void __exit nettel_cleanup(void)
 	}
 	if (nettel_intel_map.virt) {
 		iounmap(nettel_intel_map.virt);
-		nettel_intel_map.virt = 0;
+		nettel_intel_map.virt = NULL;
 	}
 #endif
 }
diff --git a/drivers/mtd/maps/pci.c b/drivers/mtd/maps/pci.c
index 8b3570b0909..21822c2edbe 100644
--- a/drivers/mtd/maps/pci.c
+++ b/drivers/mtd/maps/pci.c
@@ -7,7 +7,7 @@
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  *
- *  $Id: pci.c,v 1.13 2005/11/07 11:14:27 gleixner Exp $
+ *  $Id: pci.c,v 1.14 2005/11/17 08:20:27 dwmw2 Exp $
  *
  * Generic PCI memory map driver.  We support the following boards:
  *  - Intel IQ80310 ATU.
@@ -102,7 +102,7 @@ static void mtd_pci_copyto(struct map_info *_map, unsigned long to, const void *
 	memcpy_toio(map->base + map->translate(map, to), from, len);
 }
 
-static struct map_info mtd_pci_map = {
+static const struct map_info mtd_pci_map = {
 	.phys =		NO_XIP,
 	.copy_from =	mtd_pci_copyfrom,
 	.copy_to =	mtd_pci_copyto,
diff --git a/drivers/mtd/maps/physmap.c b/drivers/mtd/maps/physmap.c
index 9ee760f97bc..f49ebc3c460 100644
--- a/drivers/mtd/maps/physmap.c
+++ b/drivers/mtd/maps/physmap.c
@@ -1,5 +1,5 @@
 /*
- * $Id: physmap.c,v 1.38 2005/11/07 11:14:28 gleixner Exp $
+ * $Id: physmap.c,v 1.39 2005/11/29 14:49:36 gleixner Exp $
  *
  * Normal mappings of chips in physical memory
  *
@@ -19,6 +19,7 @@
 #include <linux/mtd/map.h>
 #include <linux/config.h>
 #include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
 
 static struct mtd_info *mymtd;
 
diff --git a/drivers/mtd/maps/sc520cdp.c b/drivers/mtd/maps/sc520cdp.c
index 6fb9f3c57aa..ed92afadd8a 100644
--- a/drivers/mtd/maps/sc520cdp.c
+++ b/drivers/mtd/maps/sc520cdp.c
@@ -16,7 +16,7 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  *
- * $Id: sc520cdp.c,v 1.22 2005/11/07 11:14:28 gleixner Exp $
+ * $Id: sc520cdp.c,v 1.23 2005/11/17 08:20:27 dwmw2 Exp $
  *
  *
  * The SC520CDP is an evaluation board for the Elan SC520 processor available
@@ -164,7 +164,7 @@ struct sc520_par_table
 	unsigned long default_address;
 };
 
-static struct sc520_par_table par_table[NUM_FLASH_BANKS] =
+static const struct sc520_par_table par_table[NUM_FLASH_BANKS] =
 {
 	{	/* Flash Bank #0: selected by ROMCS0 */
 		SC520_PAR_ROMCS0,
diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
index de450039530..a0af92cc7ef 100644
--- a/drivers/mtd/nand/nandsim.c
+++ b/drivers/mtd/nand/nandsim.c
@@ -1486,7 +1486,7 @@ ns_nand_verify_buf(struct mtd_info *mtd, const u_char *buf, int len)
 /*
  * Module initialization function
  */
-int __init ns_init_module(void)
+static int __init ns_init_module(void)
 {
 	struct nand_chip *chip;
 	struct nandsim *nand;
diff --git a/drivers/mtd/rfd_ftl.c b/drivers/mtd/rfd_ftl.c
index 0ab8d29caee..20ce212638f 100644
--- a/drivers/mtd/rfd_ftl.c
+++ b/drivers/mtd/rfd_ftl.c
@@ -30,11 +30,9 @@ MODULE_PARM_DESC(block_size, "Block size to use by RFD, defaults to erase unit s
 
 #define PREFIX "rfd_ftl: "
 
-/* Major device # for FTL device */
-
-/* A request for this major has been sent to device@lanana.org */
+/* This major has been assigned by device@lanana.org */
 #ifndef RFD_FTL_MAJOR
-#define RFD_FTL_MAJOR		95
+#define RFD_FTL_MAJOR		256
 #endif
 
 /* Maximum number of partitions in an FTL region */
diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c
index 543420665c5..d0fcc5f3497 100644
--- a/fs/jffs2/fs.c
+++ b/fs/jffs2/fs.c
@@ -234,6 +234,7 @@ void jffs2_read_inode (struct inode *inode)
 	c = JFFS2_SB_INFO(inode->i_sb);
 
 	jffs2_init_inode_info(f);
+	down(&f->sem);
 
 	ret = jffs2_do_read_inode(c, f, inode->i_ino, &latest_node);
 
@@ -400,6 +401,7 @@ struct inode *jffs2_new_inode (struct inode *dir_i, int mode, struct jffs2_raw_i
 
 	f = JFFS2_INODE_INFO(inode);
 	jffs2_init_inode_info(f);
+	down(&f->sem);
 
 	memset(ri, 0, sizeof(*ri));
 	/* Set OS-specific defaults for new inodes */
diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c
index 9e0b5458d9c..93883817cbd 100644
--- a/fs/jffs2/super.c
+++ b/fs/jffs2/super.c
@@ -51,7 +51,7 @@ static void jffs2_i_init_once(void * foo, kmem_cache_t * cachep, unsigned long f
 
 	if ((flags & (SLAB_CTOR_VERIFY|SLAB_CTOR_CONSTRUCTOR)) ==
 	    SLAB_CTOR_CONSTRUCTOR) {
-		init_MUTEX_LOCKED(&ei->sem);
+		init_MUTEX(&ei->sem);
 		inode_init_once(&ei->vfs_inode);
 	}
 }
diff --git a/include/linux/mtd/cfi.h b/include/linux/mtd/cfi.h
index 3c9ea4b7add..23a56891034 100644
--- a/include/linux/mtd/cfi.h
+++ b/include/linux/mtd/cfi.h
@@ -1,7 +1,7 @@
 
 /* Common Flash Interface structures
  * See http://support.intel.com/design/flash/technote/index.htm
- * $Id: cfi.h,v 1.56 2005/11/07 11:14:54 gleixner Exp $
+ * $Id: cfi.h,v 1.57 2005/11/15 23:28:17 tpoynor Exp $
  */
 
 #ifndef __MTD_CFI_H__
@@ -426,6 +426,22 @@ static inline uint8_t cfi_read_query(struct map_info *map, uint32_t addr)
 	}
 }
 
+static inline uint16_t cfi_read_query16(struct map_info *map, uint32_t addr)
+{
+	map_word val = map_read(map, addr);
+
+	if (map_bankwidth_is_1(map)) {
+		return val.x[0] & 0xff;
+	} else if (map_bankwidth_is_2(map)) {
+		return cfi16_to_cpu(val.x[0]);
+	} else {
+		/* No point in a 64-bit byteswap since that would just be
+		   swapping the responses from different chips, and we are
+		   only interested in one chip (a representative sample) */
+		return cfi32_to_cpu(val.x[0]);
+	}
+}
+
 static inline void cfi_udelay(int us)
 {
 	if (us >= 1000) {