#define DSP56K_TRANSMIT (dsp56k_host_interface.isr & DSP56K_ISR_TXDE)
#define DSP56K_RECEIVE (dsp56k_host_interface.isr & DSP56K_ISR_RXDF)
-#define wait_some(n) \
-{ \
- set_current_state(TASK_INTERRUPTIBLE); \
- schedule_timeout(n); \
-}
-
#define handshake(count, maxio, timeout, ENABLE, f) \
{ \
long i, t, m; \
m = min_t(unsigned long, count, maxio); \
for (i = 0; i < m; i++) { \
for (t = 0; t < timeout && !ENABLE; t++) \
- wait_some(HZ/50); \
+ msleep(20); \
if(!ENABLE) \
return -EIO; \
f; \
} \
count -= m; \
- if (m == maxio) wait_some(HZ/50); \
+ if (m == maxio) msleep(20); \
} \
}
{ \
int t; \
for(t = 0; t < n && !DSP56K_TRANSMIT; t++) \
- wait_some(HZ/100); \
+ msleep(10); \
if(!DSP56K_TRANSMIT) { \
return -EIO; \
} \
{ \
int t; \
for(t = 0; t < n && !DSP56K_RECEIVE; t++) \
- wait_some(HZ/100); \
+ msleep(10); \
if(!DSP56K_RECEIVE) { \
return -EIO; \
} \
int tx_wsize, rx_wsize;
} dsp56k;
-static struct class_simple *dsp56k_class;
+static struct class *dsp56k_class;
static int dsp56k_reset(void)
{
return 0;
}
-static int dsp56k_upload(u_char *bin, int len)
+static int dsp56k_upload(u_char __user *bin, int len)
{
int i;
u_char *p;
return 0;
}
-static ssize_t dsp56k_read(struct file *file, char *buf, size_t count,
+static ssize_t dsp56k_read(struct file *file, char __user *buf, size_t count,
loff_t *ppos)
{
struct inode *inode = file->f_dentry->d_inode;
}
case 2: /* 16 bit */
{
- short *data;
+ short __user *data;
count /= 2;
- data = (short*) buf;
+ data = (short __user *) buf;
handshake(count, dsp56k.maxio, dsp56k.timeout, DSP56K_RECEIVE,
put_user(dsp56k_host_interface.data.w[1], data+n++));
return 2*n;
}
case 4: /* 32 bit */
{
- long *data;
+ long __user *data;
count /= 4;
- data = (long*) buf;
+ data = (long __user *) buf;
handshake(count, dsp56k.maxio, dsp56k.timeout, DSP56K_RECEIVE,
put_user(dsp56k_host_interface.data.l, data+n++));
return 4*n;
}
}
-static ssize_t dsp56k_write(struct file *file, const char *buf, size_t count,
+static ssize_t dsp56k_write(struct file *file, const char __user *buf, size_t count,
loff_t *ppos)
{
struct inode *inode = file->f_dentry->d_inode;
}
case 2: /* 16 bit */
{
- const short *data;
+ const short __user *data;
count /= 2;
- data = (const short *)buf;
+ data = (const short __user *)buf;
handshake(count, dsp56k.maxio, dsp56k.timeout, DSP56K_TRANSMIT,
get_user(dsp56k_host_interface.data.w[1], data+n++));
return 2*n;
}
case 4: /* 32 bit */
{
- const long *data;
+ const long __user *data;
count /= 4;
- data = (const long *)buf;
+ data = (const long __user *)buf;
handshake(count, dsp56k.maxio, dsp56k.timeout, DSP56K_TRANSMIT,
get_user(dsp56k_host_interface.data.l, data+n++));
return 4*n;
unsigned int cmd, unsigned long arg)
{
int dev = iminor(inode) & 0x0f;
+ void __user *argp = (void __user *)arg;
switch(dev)
{
switch(cmd) {
case DSP56K_UPLOAD:
{
- char *bin;
+ char __user *bin;
int r, len;
- struct dsp56k_upload *binary = (struct dsp56k_upload *) arg;
+ struct dsp56k_upload __user *binary = argp;
if(get_user(len, &binary->len) < 0)
return -EFAULT;
case DSP56K_HOST_FLAGS:
{
int dir, out, status;
- struct dsp56k_host_flags *hf = (struct dsp56k_host_flags*) arg;
+ struct dsp56k_host_flags __user *hf = argp;
if(get_user(dir, &hf->dir) < 0)
return -EFAULT;
printk("DSP56k driver: Unable to register driver\n");
return -ENODEV;
}
- dsp56k_class = class_simple_create(THIS_MODULE, "dsp56k");
+ dsp56k_class = class_create(THIS_MODULE, "dsp56k");
if (IS_ERR(dsp56k_class)) {
err = PTR_ERR(dsp56k_class);
goto out_chrdev;
}
- class_simple_device_add(dsp56k_class, MKDEV(DSP56K_MAJOR, 0), NULL, "dsp56k");
+ class_device_create(dsp56k_class, NULL, MKDEV(DSP56K_MAJOR, 0), NULL, "dsp56k");
err = devfs_mk_cdev(MKDEV(DSP56K_MAJOR, 0),
S_IFCHR | S_IRUSR | S_IWUSR, "dsp56k");
goto out;
out_class:
- class_simple_device_remove(MKDEV(DSP56K_MAJOR, 0));
- class_simple_destroy(dsp56k_class);
+ class_device_destroy(dsp56k_class, MKDEV(DSP56K_MAJOR, 0));
+ class_destroy(dsp56k_class);
out_chrdev:
unregister_chrdev(DSP56K_MAJOR, "dsp56k");
out:
static void __exit dsp56k_cleanup_driver(void)
{
- class_simple_device_remove(MKDEV(DSP56K_MAJOR, 0));
- class_simple_destroy(dsp56k_class);
+ class_device_destroy(dsp56k_class, MKDEV(DSP56K_MAJOR, 0));
+ class_destroy(dsp56k_class);
unregister_chrdev(DSP56K_MAJOR, "dsp56k");
devfs_remove("dsp56k");
}