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path: root/drivers/mtd/nand/edb7312.c
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Diffstat (limited to 'drivers/mtd/nand/edb7312.c')
-rw-r--r--drivers/mtd/nand/edb7312.c53
1 files changed, 26 insertions, 27 deletions
diff --git a/drivers/mtd/nand/edb7312.c b/drivers/mtd/nand/edb7312.c
index 9b1fd2f387fa..8467d770710c 100644
--- a/drivers/mtd/nand/edb7312.c
+++ b/drivers/mtd/nand/edb7312.c
@@ -25,7 +25,7 @@
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <asm/io.h>
-#include <asm/arch/hardware.h> /* for CLPS7111_VIRT_BASE */
+#include <asm/arch/hardware.h> /* for CLPS7111_VIRT_BASE */
#include <asm/sizes.h>
#include <asm/hardware/clps7111.h>
@@ -54,29 +54,29 @@ static struct mtd_info *ep7312_mtd = NULL;
*/
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 void __iomem *ep7312_pxdr = (void __iomem *)EP7312_PXDR;
+static void __iomem *ep7312_pxddr = (void __iomem *)EP7312_PXDDR;
#ifdef CONFIG_MTD_PARTITIONS
/*
* Define static partitions for flash device
*/
static struct mtd_partition partition_info[] = {
- { .name = "EP7312 Nand Flash",
- .offset = 0,
- .size = 8*1024*1024 }
+ {.name = "EP7312 Nand Flash",
+ .offset = 0,
+ .size = 8 * 1024 * 1024}
};
+
#define NUM_PARTITIONS 1
#endif
-
/*
* hardware specific access to control-lines
*/
static void ep7312_hwcontrol(struct mtd_info *mtd, int cmd)
{
- switch(cmd) {
+ switch (cmd) {
case NAND_CTL_SETCLE:
clps_writeb(clps_readb(ep7312_pxdr) | 0x10, ep7312_pxdr);
@@ -108,6 +108,7 @@ static int ep7312_device_ready(struct mtd_info *mtd)
{
return 1;
}
+
#ifdef CONFIG_MTD_PARTITIONS
const char *part_probes[] = { "cmdlinepart", NULL };
#endif
@@ -115,18 +116,16 @@ const char *part_probes[] = { "cmdlinepart", NULL };
/*
* Main initialization routine
*/
-static int __init ep7312_init (void)
+static int __init ep7312_init(void)
{
struct nand_chip *this;
const char *part_type = 0;
int mtd_parts_nb = 0;
struct mtd_partition *mtd_parts = 0;
- void __iomem * ep7312_fio_base;
+ void __iomem *ep7312_fio_base;
/* Allocate memory for MTD device structure and private data */
- ep7312_mtd = kmalloc(sizeof(struct mtd_info) +
- sizeof(struct nand_chip),
- GFP_KERNEL);
+ ep7312_mtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), GFP_KERNEL);
if (!ep7312_mtd) {
printk("Unable to allocate EDB7312 NAND MTD device structure.\n");
return -ENOMEM;
@@ -134,18 +133,18 @@ static int __init ep7312_init (void)
/* map physical adress */
ep7312_fio_base = ioremap(ep7312_fio_pbase, SZ_1K);
- if(!ep7312_fio_base) {
+ if (!ep7312_fio_base) {
printk("ioremap EDB7312 NAND flash failed\n");
kfree(ep7312_mtd);
return -EIO;
}
/* Get pointer to private data */
- this = (struct nand_chip *) (&ep7312_mtd[1]);
+ this = (struct nand_chip *)(&ep7312_mtd[1]);
/* Initialize structures */
- memset((char *) ep7312_mtd, 0, sizeof(struct mtd_info));
- memset((char *) this, 0, sizeof(struct nand_chip));
+ memset(ep7312_mtd, 0, sizeof(struct mtd_info));
+ memset(this, 0, sizeof(struct nand_chip));
/* Link the private data with the MTD structure */
ep7312_mtd->priv = this;
@@ -165,16 +164,14 @@ static int __init ep7312_init (void)
this->chip_delay = 15;
/* Scan to find existence of the device */
- if (nand_scan (ep7312_mtd, 1)) {
+ if (nand_scan(ep7312_mtd, 1)) {
iounmap((void *)ep7312_fio_base);
- kfree (ep7312_mtd);
+ kfree(ep7312_mtd);
return -ENXIO;
}
-
#ifdef CONFIG_MTD_PARTITIONS
ep7312_mtd->name = "edb7312-nand";
- mtd_parts_nb = parse_mtd_partitions(ep7312_mtd, part_probes,
- &mtd_parts, 0);
+ mtd_parts_nb = parse_mtd_partitions(ep7312_mtd, part_probes, &mtd_parts, 0);
if (mtd_parts_nb > 0)
part_type = "command line";
else
@@ -193,24 +190,26 @@ static int __init ep7312_init (void)
/* Return happy */
return 0;
}
+
module_init(ep7312_init);
/*
* Clean up routine
*/
-static void __exit ep7312_cleanup (void)
+static void __exit ep7312_cleanup(void)
{
- struct nand_chip *this = (struct nand_chip *) &ep7312_mtd[1];
+ struct nand_chip *this = (struct nand_chip *)&ep7312_mtd[1];
/* Release resources, unregister device */
- nand_release (ap7312_mtd);
+ nand_release(ap7312_mtd);
/* Free internal data buffer */
- kfree (this->data_buf);
+ kfree(this->data_buf);
/* Free the MTD device structure */
- kfree (ep7312_mtd);
+ kfree(ep7312_mtd);
}
+
module_exit(ep7312_cleanup);
MODULE_LICENSE("GPL");
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