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[linux-2.6.git] / drivers / mtd / nand / edb7312.c

diff --git a/drivers/mtd/nand/edb7312.c b/drivers/mtd/nand/edb7312.c
index 5549681..7977940 100644 (file)
--- a/drivers/mtd/nand/edb7312.c
+++ b/drivers/mtd/nand/edb7312.c
@@ -6,7 +6,7 @@
  *  Derived from drivers/mtd/nand/autcpu12.c
  *       Copyright (c) 2001 Thomas Gleixner (gleixner@autronix.de)
  *
- * $Id: edb7312.c,v 1.11 2004/11/04 12:53:10 gleixner Exp $
+ * $Id: edb7312.c,v 1.8 2004/07/12 15:03:26 dwmw2 Exp $
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -53,9 +53,19 @@ static struct mtd_info *ep7312_mtd = NULL;
  * Module stuff
  */
 
-static unsigned long ep7312_fio_pbase = EP7312_FIO_PBASE;
-static void __iomem * ep7312_pxdr = (void __iomem *) EP7312_PXDR;
-static void __iomem * ep7312_pxddr = (void __iomem *) EP7312_PXDDR;
+static int ep7312_fio_pbase = EP7312_FIO_PBASE;
+static int ep7312_pxdr = EP7312_PXDR;
+static int ep7312_pxddr = EP7312_PXDDR;
+
+#ifdef MODULE
+MODULE_PARM(ep7312_fio_pbase, "i");
+MODULE_PARM(ep7312_pxdr, "i");
+MODULE_PARM(ep7312_pxddr, "i");
+
+__setup("ep7312_fio_pbase=",ep7312_fio_pbase);
+__setup("ep7312_pxdr=",ep7312_pxdr);
+__setup("ep7312_pxddr=",ep7312_pxddr);
+#endif
 
 #ifdef CONFIG_MTD_PARTITIONS
 /*
@@ -121,7 +131,7 @@ static int __init ep7312_init (void)
        const char *part_type = 0;
        int mtd_parts_nb = 0;
        struct mtd_partition *mtd_parts = 0;
-       void __iomem * ep7312_fio_base;
+       int ep7312_fio_base;
        
        /* Allocate memory for MTD device structure and private data */
        ep7312_mtd = kmalloc(sizeof(struct mtd_info) + 
@@ -133,7 +143,7 @@ static int __init ep7312_init (void)
        }
        
        /* map physical adress */
-       ep7312_fio_base = ioremap(ep7312_fio_pbase, SZ_1K);
+       ep7312_fio_base = (unsigned long)ioremap(ep7312_fio_pbase, SZ_1K);
        if(!ep7312_fio_base) {
                printk("ioremap EDB7312 NAND flash failed\n");
                kfree(ep7312_mtd);
@@ -171,7 +181,16 @@ static int __init ep7312_init (void)
                return -ENXIO;
        }
        
-#ifdef CONFIG_MTD_PARTITIONS
+       /* Allocate memory for internal data buffer */
+       this->data_buf = kmalloc (sizeof(u_char) * (ep7312_mtd->oobblock + ep7312_mtd->oobsize), GFP_KERNEL);
+       if (!this->data_buf) {
+               printk("Unable to allocate NAND data buffer for EDB7312.\n");
+               iounmap((void *)ep7312_fio_base);
+               kfree (ep7312_mtd);
+               return -ENOMEM;
+       }
+       
+#ifdef CONFIG_PARTITIONS
        ep7312_mtd->name = "edb7312-nand";
        mtd_parts_nb = parse_mtd_partitions(ep7312_mtd, part_probes,
                                            &mtd_parts, 0);
@@ -202,8 +221,8 @@ static void __exit ep7312_cleanup (void)
 {
        struct nand_chip *this = (struct nand_chip *) &ep7312_mtd[1];
        
-       /* Release resources, unregister device */
-       nand_release (ap7312_mtd);
+       /* Unregister the device */
+       del_mtd_device (ep7312_mtd);
        
        /* Free internal data buffer */
        kfree (this->data_buf);