Merge rsync://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

Conflicts:

	include/linux/kernel.h

1 files changed, 71 insertions, 54 deletions

diff --git a/drivers/mtd/nand/autcpu12.c b/drivers/mtd/nand/autcpu12.c
index a3c7fea404d0..fe94ae9ae1f2 100644
--- a/drivers/mtd/nand/autcpu12.c
+++ b/drivers/mtd/nand/autcpu12.c
@@ -4,7 +4,7 @@
  *  Copyright (c) 2002 Thomas Gleixner <tgxl@linutronix.de>
  *
  *  Derived from drivers/mtd/spia.c
- * 	 Copyright (C) 2000 Steven J. Hill (sjhill@realitydiluted.com)
+ *	 Copyright (C) 2000 Steven J. Hill (sjhill@realitydiluted.com)
  *
  * $Id: autcpu12.c,v 1.23 2005/11/07 11:14:30 gleixner Exp $
  *
@@ -42,12 +42,7 @@
  * MTD structure for AUTCPU12 board
  */
 static struct mtd_info *autcpu12_mtd = NULL;
-
-static int autcpu12_io_base = CS89712_VIRT_BASE;
-static int autcpu12_fio_pbase = AUTCPU12_PHYS_SMC;
-static int autcpu12_fio_ctrl = AUTCPU12_SMC_SELECT_OFFSET;
-static int autcpu12_pedr = AUTCPU12_SMC_PORT_OFFSET;
-static void __iomem * autcpu12_fio_base;
+static void __iomem *autcpu12_fio_base;
 
 /*
  * Define partitions for flash devices
@@ -94,108 +89,131 @@ static struct mtd_partition partition_info128k[] = {
 #define NUM_PARTITIONS128K 2
 /*
  *	hardware specific access to control-lines
-*/
-static void autcpu12_hwcontrol(struct mtd_info *mtd, int cmd)
+ *
+ *	ALE bit 4 autcpu12_pedr
+ *	CLE bit 5 autcpu12_pedr
+ *	NCE bit 0 fio_ctrl
+ *
+ */
+static void autcpu12_hwcontrol(struct mtd_info *mtd, int cmd,
+			       unsigned int ctrl)
 {
+	struct nand_chip *chip = mtd->priv;
 
-	switch(cmd){
-
-		case NAND_CTL_SETCLE: (*(volatile unsigned char *) (autcpu12_io_base + autcpu12_pedr)) |=  AUTCPU12_SMC_CLE; break;
-		case NAND_CTL_CLRCLE: (*(volatile unsigned char *) (autcpu12_io_base + autcpu12_pedr)) &= ~AUTCPU12_SMC_CLE; break;
+	if (ctrl & NAND_CTRL_CHANGE) {
+		void __iomem *addr
+		unsigned char bits;
 
-		case NAND_CTL_SETALE: (*(volatile unsigned char *) (autcpu12_io_base + autcpu12_pedr)) |=  AUTCPU12_SMC_ALE; break;
-		case NAND_CTL_CLRALE: (*(volatile unsigned char *) (autcpu12_io_base + autcpu12_pedr)) &= ~AUTCPU12_SMC_ALE; break;
+		addr = CS89712_VIRT_BASE + AUTCPU12_SMC_PORT_OFFSET;
+		bits = (ctrl & NAND_CLE) << 4;
+		bits |= (ctrl & NAND_ALE) << 2;
+		writeb((readb(addr) & ~0x30) | bits, addr);
 
-		case NAND_CTL_SETNCE: (*(volatile unsigned char *) (autcpu12_fio_base + autcpu12_fio_ctrl)) = 0x01; break;
-		case NAND_CTL_CLRNCE: (*(volatile unsigned char *) (autcpu12_fio_base + autcpu12_fio_ctrl)) = 0x00; break;
+		addr = autcpu12_fio_base + AUTCPU12_SMC_SELECT_OFFSET;
+		writeb((readb(addr) & ~0x1) | (ctrl & NAND_NCE), addr);
 	}
+
+	if (cmd != NAND_CMD_NONE)
+		writeb(cmd, chip->IO_ADDR_W);
 }
 
 /*
-*	read device ready pin
-*/
+ *	read device ready pin
+ */
 int autcpu12_device_ready(struct mtd_info *mtd)
 {
+	void __iomem *addr = CS89712_VIRT_BASE + AUTCPU12_SMC_PORT_OFFSET;
 
-	return ( (*(volatile unsigned char *) (autcpu12_io_base + autcpu12_pedr)) & AUTCPU12_SMC_RDY) ? 1 : 0;
-
+	return readb(addr) & AUTCPU12_SMC_RDY;
 }
 
 /*
  * Main initialization routine
  */
-int __init autcpu12_init (void)
+static int __init autcpu12_init(void)
 {
 	struct nand_chip *this;
 	int err = 0;
 
 	/* Allocate memory for MTD device structure and private data */
-	autcpu12_mtd = kmalloc (sizeof(struct mtd_info) + sizeof (struct nand_chip),
-				GFP_KERNEL);
+	autcpu12_mtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip),
+			       GFP_KERNEL);
 	if (!autcpu12_mtd) {
-		printk ("Unable to allocate AUTCPU12 NAND MTD device structure.\n");
+		printk("Unable to allocate AUTCPU12 NAND MTD device structure.\n");
 		err = -ENOMEM;
 		goto out;
 	}
 
 	/* map physical adress */
-	autcpu12_fio_base = ioremap(autcpu12_fio_pbase,SZ_1K);
-	if(!autcpu12_fio_base){
+	autcpu12_fio_base = ioremap(AUTCPU12_PHYS_SMC, SZ_1K);
+	if (!autcpu12_fio_base) {
 		printk("Ioremap autcpu12 SmartMedia Card failed\n");
 		err = -EIO;
 		goto out_mtd;
 	}
 
 	/* Get pointer to private data */
-	this = (struct nand_chip *) (&autcpu12_mtd[1]);
+	this = (struct nand_chip *)(&autcpu12_mtd[1]);
 
 	/* Initialize structures */
-	memset((char *) autcpu12_mtd, 0, sizeof(struct mtd_info));
-	memset((char *) this, 0, sizeof(struct nand_chip));
+	memset(autcpu12_mtd, 0, sizeof(struct mtd_info));
+	memset(this, 0, sizeof(struct nand_chip));
 
 	/* Link the private data with the MTD structure */
 	autcpu12_mtd->priv = this;
+	autcpu12_mtd->owner = THIS_MODULE;
 
 	/* Set address of NAND IO lines */
 	this->IO_ADDR_R = autcpu12_fio_base;
 	this->IO_ADDR_W = autcpu12_fio_base;
-	this->hwcontrol = autcpu12_hwcontrol;
+	this->cmd_ctrl = autcpu12_hwcontrol;
 	this->dev_ready = autcpu12_device_ready;
 	/* 20 us command delay time */
 	this->chip_delay = 20;
-	this->eccmode = NAND_ECC_SOFT;
+	this->ecc.mode = NAND_ECC_SOFT;
 
 	/* Enable the following for a flash based bad block table */
 	/*
-	this->options = NAND_USE_FLASH_BBT;
-	*/
+	   this->options = NAND_USE_FLASH_BBT;
+	 */
 	this->options = NAND_USE_FLASH_BBT;
 
 	/* Scan to find existance of the device */
-	if (nand_scan (autcpu12_mtd, 1)) {
+	if (nand_scan(autcpu12_mtd, 1)) {
 		err = -ENXIO;
 		goto out_ior;
 	}
 
 	/* Register the partitions */
-	switch(autcpu12_mtd->size){
-		case SZ_16M: add_mtd_partitions(autcpu12_mtd, partition_info16k, NUM_PARTITIONS16K); break;
-		case SZ_32M: add_mtd_partitions(autcpu12_mtd, partition_info32k, NUM_PARTITIONS32K); break;
-		case SZ_64M: add_mtd_partitions(autcpu12_mtd, partition_info64k, NUM_PARTITIONS64K); break;
-		case SZ_128M: add_mtd_partitions(autcpu12_mtd, partition_info128k, NUM_PARTITIONS128K); break;
-		default: {
-			printk ("Unsupported SmartMedia device\n");
+	switch (autcpu12_mtd->size) {
+		case SZ_16M:
+			add_mtd_partitions(autcpu12_mtd, partition_info16k,
+					   NUM_PARTITIONS16K);
+			break;
+		case SZ_32M:
+			add_mtd_partitions(autcpu12_mtd, partition_info32k,
+					   NUM_PARTITIONS32K);
+			break;
+		case SZ_64M:
+			add_mtd_partitions(autcpu12_mtd, partition_info64k,
+					   NUM_PARTITIONS64K);
+			break;
+		case SZ_128M:
+			add_mtd_partitions(autcpu12_mtd, partition_info128k,
+					   NUM_PARTITIONS128K);
+			break;
+		default:
+			printk("Unsupported SmartMedia device\n");
 			err = -ENXIO;
 			goto out_ior;
-		}
 	}
 	goto out;
 
-out_ior:
-	iounmap((void *)autcpu12_fio_base);
-out_mtd:
-	kfree (autcpu12_mtd);
-out:
+ out_ior:
+	iounmap(autcpu12_fio_base);
+ out_mtd:
+	kfree(autcpu12_mtd);
+ out:
 	return err;
 }
 
@@ -204,20 +222,19 @@ module_init(autcpu12_init);
 /*
  * Clean up routine
  */
-#ifdef MODULE
-static void __exit autcpu12_cleanup (void)
+static void __exit autcpu12_cleanup(void)
 {
 	/* Release resources, unregister device */
-	nand_release (autcpu12_mtd);
+	nand_release(autcpu12_mtd);
 
 	/* unmap physical adress */
-	iounmap((void *)autcpu12_fio_base);
+	iounmap(autcpu12_fio_base);
 
 	/* Free the MTD device structure */
-	kfree (autcpu12_mtd);
+	kfree(autcpu12_mtd);
 }
+
 module_exit(autcpu12_cleanup);
-#endif
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Thomas Gleixner <tglx@linutronix.de>");