X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fmtd%2Fmaps%2Fbast-flash.c;h=51f962dd7e31c42054850e3344326f69acbf2752;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=44de3a81b2774e026d628dca870caf49b3e770b9;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git

diff --git a/drivers/mtd/maps/bast-flash.c b/drivers/mtd/maps/bast-flash.c
index 44de3a81b..51f962dd7 100644
--- a/drivers/mtd/maps/bast-flash.c
+++ b/drivers/mtd/maps/bast-flash.c
@@ -1,14 +1,15 @@
 /* linux/drivers/mtd/maps/bast_flash.c
  *
- * Copyright (c) 2004 Simtec Electronics
- * Ben Dooks <ben@simtec.co.uk>
+ * Copyright (c) 2004-2005 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
  *
  * Simtec Bast (EB2410ITX) NOR MTD Mapping driver
  *
  * Changelog:
  *	20-Sep-2004  BJD  Initial version
+ *	17-Jan-2005  BJD  Add whole device if no partitions found
  *
- * $Id: bast-flash.c,v 1.1 2004/09/21 14:29:04 bjd Exp $
+ * $Id: bast-flash.c,v 1.5 2005/11/07 11:14:26 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
@@ -32,13 +33,13 @@
 #include <linux/string.h>
 #include <linux/ioport.h>
 #include <linux/device.h>
-
+#include <linux/slab.h>
+#include <linux/platform_device.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/map.h>
 #include <linux/mtd/partitions.h>
 
 #include <asm/io.h>
-#include <asm/mach-types.h>
 #include <asm/mach/flash.h>
 
 #include <asm/arch/map.h>
@@ -46,9 +47,9 @@
 #include <asm/arch/bast-cpld.h>
 
 #ifdef CONFIG_MTD_BAST_MAXSIZE
-#define AREA_MAXSIZE (CONFIG_MTD_BAST_MAXSIZE * (1024*1024))
+#define AREA_MAXSIZE (CONFIG_MTD_BAST_MAXSIZE * SZ_1M)
 #else
-#define AREA_MAXSIZE (32*1024*1024)
+#define AREA_MAXSIZE (32 * SZ_1M)
 #endif
 
 #define PFX "bast-flash: "
@@ -62,11 +63,6 @@ struct bast_flash_info {
 
 static const char *probes[] = { "RedBoot", "cmdlinepart", NULL };
 
-static struct bast_flash_info *to_bast_info(struct device *dev)
-{
-	return (struct bast_flash_info *)dev_get_drvdata(dev);
-}
-
 static void bast_flash_setrw(int to)
 {
 	unsigned int val;
@@ -74,7 +70,7 @@ static void bast_flash_setrw(int to)
 
 	local_irq_save(flags);
 	val = __raw_readb(BAST_VA_CTRL3);
-	
+
 	if (to)
 		val |= BAST_CPLD_CTRL3_ROMWEN;
 	else
@@ -86,13 +82,13 @@ static void bast_flash_setrw(int to)
 	local_irq_restore(flags);
 }
 
-static int bast_flash_remove(struct device *dev)
+static int bast_flash_remove(struct platform_device *pdev)
 {
-	struct bast_flash_info *info = to_bast_info(dev);
+	struct bast_flash_info *info = platform_get_drvdata(pdev);
 
-	dev_set_drvdata(dev, NULL);
+	platform_set_drvdata(pdev, NULL);
 
-	if (info == NULL) 
+	if (info == NULL)
 		return 0;
 
 	if (info->map.virt != NULL)
@@ -103,22 +99,20 @@ static int bast_flash_remove(struct device *dev)
 		map_destroy(info->mtd);
 	}
 
-	if (info->partitions)
-		kfree(info->partitions);
+	kfree(info->partitions);
 
 	if (info->area) {
 		release_resource(info->area);
 		kfree(info->area);
 	}
-	
+
 	kfree(info);
 
 	return 0;
 }
 
-static int bast_flash_probe(struct device *dev)
+static int bast_flash_probe(struct platform_device *pdev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
 	struct bast_flash_info *info;
 	struct resource *res;
 	int err = 0;
@@ -131,21 +125,21 @@ static int bast_flash_probe(struct device *dev)
 	}
 
 	memzero(info, sizeof(*info));
-	dev_set_drvdata(dev, info);
+	platform_set_drvdata(pdev, info);
 
 	res = pdev->resource;  /* assume that the flash has one resource */
 
 	info->map.phys = res->start;
 	info->map.size = res->end - res->start + 1;
-	info->map.name = dev->bus_id;	
+	info->map.name = pdev->dev.bus_id;	
 	info->map.bankwidth = 2;
-	
+
 	if (info->map.size > AREA_MAXSIZE)
 		info->map.size = AREA_MAXSIZE;
 
 	pr_debug("%s: area %08lx, size %ld\n", __FUNCTION__,
 		 info->map.phys, info->map.size);
-	
+
 	info->area = request_mem_region(res->start, info->map.size,
 					pdev->name);
 	if (info->area == NULL) {
@@ -162,7 +156,7 @@ static int bast_flash_probe(struct device *dev)
 		err = -EIO;
 		goto exit_error;
 	}
- 
+
 	simple_map_init(&info->map);
 
 	/* enable the write to the flash area */
@@ -187,8 +181,10 @@ static int bast_flash_probe(struct device *dev)
 	err = parse_mtd_partitions(info->mtd, probes, &info->partitions, 0);
 	if (err > 0) {
 		err = add_mtd_partitions(info->mtd, info->partitions, err);
-		if (err) 
+		if (err)
 			printk(KERN_ERR PFX "cannot add/parse partitions\n");
+	} else {
+		err = add_mtd_device(info->mtd);
 	}
 
 	if (err == 0)
@@ -197,26 +193,28 @@ static int bast_flash_probe(struct device *dev)
 	/* fall through to exit error */
 
  exit_error:
-	bast_flash_remove(dev);
+	bast_flash_remove(pdev);
 	return err;
 }
 
-static struct device_driver bast_flash_driver = {
-	.name		= "bast-nor",
-	.bus		= &platform_bus_type,
+static struct platform_driver bast_flash_driver = {
 	.probe		= bast_flash_probe,
 	.remove		= bast_flash_remove,
+	.driver		= {
+		.name	= "bast-nor",
+		.owner	= THIS_MODULE,
+	},
 };
 
 static int __init bast_flash_init(void)
 {
 	printk("BAST NOR-Flash Driver, (c) 2004 Simtec Electronics\n");
-	return driver_register(&bast_flash_driver);
+	return platform_driver_register(&bast_flash_driver);
 }
 
 static void __exit bast_flash_exit(void)
 {
-	driver_unregister(&bast_flash_driver);
+	platform_driver_unregister(&bast_flash_driver);
 }
 
 module_init(bast_flash_init);