struct floppy_state {
enum swim_state state;
- volatile struct swim3 *swim3; /* hardware registers */
- struct dbdma_regs *dma; /* DMA controller registers */
+ struct swim3 __iomem *swim3; /* hardware registers */
+ struct dbdma_regs __iomem *dma; /* DMA controller registers */
int swim3_intr; /* interrupt number for SWIM3 */
int dma_intr; /* interrupt number for DMA channel */
int cur_cyl; /* cylinder head is on, or -1 */
static struct floppy_state floppy_states[MAX_FLOPPIES];
static int floppy_count = 0;
-static spinlock_t swim3_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(swim3_lock);
static unsigned short write_preamble[] = {
0x4e4e, 0x4e4e, 0x4e4e, 0x4e4e, 0x4e4e, /* gap field */
static void swim3_select(struct floppy_state *fs, int sel)
{
- volatile struct swim3 *sw = fs->swim3;
+ struct swim3 __iomem *sw = fs->swim3;
out_8(&sw->select, RELAX);
if (sel & 8)
static void swim3_action(struct floppy_state *fs, int action)
{
- volatile struct swim3 *sw = fs->swim3;
+ struct swim3 __iomem *sw = fs->swim3;
swim3_select(fs, action);
udelay(1);
static int swim3_readbit(struct floppy_state *fs, int bit)
{
- volatile struct swim3 *sw = fs->swim3;
+ struct swim3 __iomem *sw = fs->swim3;
int stat;
swim3_select(fs, bit);
static inline void scan_track(struct floppy_state *fs)
{
- volatile struct swim3 *sw = fs->swim3;
+ struct swim3 __iomem *sw = fs->swim3;
swim3_select(fs, READ_DATA_0);
in_8(&sw->intr); /* clear SEEN_SECTOR bit */
static inline void seek_track(struct floppy_state *fs, int n)
{
- volatile struct swim3 *sw = fs->swim3;
+ struct swim3 __iomem *sw = fs->swim3;
if (n >= 0) {
swim3_action(fs, SEEK_POSITIVE);
static inline void setup_transfer(struct floppy_state *fs)
{
int n;
- volatile struct swim3 *sw = fs->swim3;
+ struct swim3 __iomem *sw = fs->swim3;
struct dbdma_cmd *cp = fs->dma_cmd;
- struct dbdma_regs *dr = fs->dma;
+ struct dbdma_regs __iomem *dr = fs->dma;
if (fd_req->current_nr_sectors <= 0) {
printk(KERN_ERR "swim3: transfer 0 sectors?\n");
out_8(&sw->sector, fs->req_sector);
out_8(&sw->nsect, n);
out_8(&sw->gap3, 0);
- st_le32(&dr->cmdptr, virt_to_bus(cp));
+ out_le32(&dr->cmdptr, virt_to_bus(cp));
if (rq_data_dir(fd_req) == WRITE) {
/* Set up 3 dma commands: write preamble, data, postamble */
init_dma(cp, OUTPUT_MORE, write_preamble, sizeof(write_preamble));
static void scan_timeout(unsigned long data)
{
struct floppy_state *fs = (struct floppy_state *) data;
- volatile struct swim3 *sw = fs->swim3;
+ struct swim3 __iomem *sw = fs->swim3;
fs->timeout_pending = 0;
out_8(&sw->control_bic, DO_ACTION | WRITE_SECTORS);
static void seek_timeout(unsigned long data)
{
struct floppy_state *fs = (struct floppy_state *) data;
- volatile struct swim3 *sw = fs->swim3;
+ struct swim3 __iomem *sw = fs->swim3;
fs->timeout_pending = 0;
out_8(&sw->control_bic, DO_SEEK);
static void settle_timeout(unsigned long data)
{
struct floppy_state *fs = (struct floppy_state *) data;
- volatile struct swim3 *sw = fs->swim3;
+ struct swim3 __iomem *sw = fs->swim3;
fs->timeout_pending = 0;
if (swim3_readbit(fs, SEEK_COMPLETE)) {
static void xfer_timeout(unsigned long data)
{
struct floppy_state *fs = (struct floppy_state *) data;
- volatile struct swim3 *sw = fs->swim3;
- struct dbdma_regs *dr = fs->dma;
+ struct swim3 __iomem *sw = fs->swim3;
+ struct dbdma_regs __iomem *dr = fs->dma;
struct dbdma_cmd *cp = fs->dma_cmd;
unsigned long s;
int n;
fs->timeout_pending = 0;
- st_le32(&dr->control, RUN << 16);
+ out_le32(&dr->control, RUN << 16);
/* We must wait a bit for dbdma to stop */
for (n = 0; (in_le32(&dr->status) & ACTIVE) && n < 1000; n++)
udelay(1);
static irqreturn_t swim3_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
struct floppy_state *fs = (struct floppy_state *) dev_id;
- volatile struct swim3 *sw = fs->swim3;
+ struct swim3 __iomem *sw = fs->swim3;
int intr, err, n;
int stat, resid;
- struct dbdma_regs *dr;
+ struct dbdma_regs __iomem *dr;
struct dbdma_cmd *cp;
intr = in_8(&sw->intr);
err = fd_eject(fs);
return err;
case FDGETPRM:
- if (copy_to_user((void *) param, (void *)&floppy_type,
+ if (copy_to_user((void __user *) param, &floppy_type,
sizeof(struct floppy_struct)))
return -EFAULT;
return 0;
static int floppy_open(struct inode *inode, struct file *filp)
{
struct floppy_state *fs = inode->i_bdev->bd_disk->private_data;
- volatile struct swim3 *sw = fs->swim3;
+ struct swim3 __iomem *sw = fs->swim3;
int n, err = 0;
if (fs->ref_count == 0) {
static int floppy_release(struct inode *inode, struct file *filp)
{
struct floppy_state *fs = inode->i_bdev->bd_disk->private_data;
- volatile struct swim3 *sw = fs->swim3;
+ struct swim3 __iomem *sw = fs->swim3;
if (fs->ref_count > 0 && --fs->ref_count == 0) {
swim3_action(fs, MOTOR_OFF);
out_8(&sw->control_bic, 0xff);
static int floppy_revalidate(struct gendisk *disk)
{
struct floppy_state *fs = disk->private_data;
- volatile struct swim3 *sw;
+ struct swim3 __iomem *sw;
int ret, n;
if (fs->media_bay && check_media_bay(fs->media_bay, MB_FD))
memset(fs, 0, sizeof(*fs));
fs->state = idle;
- fs->swim3 = (volatile struct swim3 *) ioremap(swim->addrs[0].address, 0x200);
- fs->dma = (struct dbdma_regs *) ioremap(swim->addrs[1].address, 0x200);
+ fs->swim3 = (struct swim3 __iomem *)
+ ioremap(swim->addrs[0].address, 0x200);
+ fs->dma = (struct dbdma_regs __iomem *)
+ ioremap(swim->addrs[1].address, 0x200);
fs->swim3_intr = swim->intrs[0].line;
fs->dma_intr = swim->intrs[1].line;
fs->cur_cyl = -1;