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path: root/drivers/mtd/nand/autcpu12.c
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Diffstat (limited to 'drivers/mtd/nand/autcpu12.c')
-rw-r--r--drivers/mtd/nand/autcpu12.c56
1 files changed, 27 insertions, 29 deletions
diff --git a/drivers/mtd/nand/autcpu12.c b/drivers/mtd/nand/autcpu12.c
index a3c7fea404d..43b296040d7 100644
--- a/drivers/mtd/nand/autcpu12.c
+++ b/drivers/mtd/nand/autcpu12.c
@@ -47,7 +47,7 @@ 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
@@ -95,10 +95,10 @@ static struct mtd_partition partition_info128k[] = {
/*
* hardware specific access to control-lines
*/
+
static void autcpu12_hwcontrol(struct mtd_info *mtd, int cmd)
{
-
- switch(cmd){
+ 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;
@@ -117,44 +117,44 @@ static void autcpu12_hwcontrol(struct mtd_info *mtd, int cmd)
int autcpu12_device_ready(struct mtd_info *mtd)
{
- return ( (*(volatile unsigned char *) (autcpu12_io_base + autcpu12_pedr)) & AUTCPU12_SMC_RDY) ? 1 : 0;
+ return ((*(volatile unsigned char *)(autcpu12_io_base + autcpu12_pedr)) & AUTCPU12_SMC_RDY) ? 1 : 0;
}
/*
* 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_fio_pbase, 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;
@@ -167,35 +167,34 @@ int __init autcpu12_init (void)
/* 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){
+ 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");
+ default:
+ printk("Unsupported SmartMedia device\n");
err = -ENXIO;
goto out_ior;
- }
}
goto out;
-out_ior:
+ out_ior:
iounmap((void *)autcpu12_fio_base);
-out_mtd:
- kfree (autcpu12_mtd);
-out:
+ out_mtd:
+ kfree(autcpu12_mtd);
+ out:
return err;
}
@@ -204,20 +203,19 @@ 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);
/* 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>");