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ds1620: Don't use create_proc_read_entry()

Don't use create_proc_read_entry() as that is deprecated, but rather use
proc_create_data() and seq_file instead.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: Arnd Bergmann <arnd@arndb.de>
cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
master
David Howells 9 years ago
committed by Al Viro
parent
commit
9fb8ca5c20
  1. 33
      drivers/char/ds1620.c

33
drivers/char/ds1620.c

@ -6,6 +6,7 @@
#include <linux/miscdevice.h>
#include <linux/delay.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/capability.h>
#include <linux/init.h>
#include <linux/mutex.h>
@ -329,9 +330,7 @@ ds1620_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
}
#ifdef THERM_USE_PROC
static int
proc_therm_ds1620_read(char *buf, char **start, off_t offset,
int len, int *eof, void *unused)
static int ds1620_proc_therm_show(struct seq_file *m, void *v)
{
struct therm th;
int temp;
@ -339,17 +338,25 @@ proc_therm_ds1620_read(char *buf, char **start, off_t offset,
ds1620_read_state(&th);
temp = cvt_9_to_int(ds1620_in(THERM_READ_TEMP, 9));
len = sprintf(buf, "Thermostat: HI %i.%i, LOW %i.%i; "
"temperature: %i.%i C, fan %s\n",
th.hi >> 1, th.hi & 1 ? 5 : 0,
th.lo >> 1, th.lo & 1 ? 5 : 0,
temp >> 1, temp & 1 ? 5 : 0,
fan_state[netwinder_get_fan()]);
seq_printf(m, "Thermostat: HI %i.%i, LOW %i.%i; temperature: %i.%i C, fan %s\n",
th.hi >> 1, th.hi & 1 ? 5 : 0,
th.lo >> 1, th.lo & 1 ? 5 : 0,
temp >> 1, temp & 1 ? 5 : 0,
fan_state[netwinder_get_fan()]);
return 0;
}
return len;
static int ds1620_proc_therm_open(struct inode *inode, struct file *file)
{
return single_open(file, ds1620_proc_therm_show, NULL);
}
static struct proc_dir_entry *proc_therm_ds1620;
static const struct file_operations ds1620_proc_therm_fops = {
.open = ds1620_proc_therm_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
#endif
static const struct file_operations ds1620_fops = {
@ -397,9 +404,7 @@ static int __init ds1620_init(void)
return ret;
#ifdef THERM_USE_PROC
proc_therm_ds1620 = create_proc_read_entry("therm", 0, NULL,
proc_therm_ds1620_read, NULL);
if (!proc_therm_ds1620)
if (!proc_create("therm", 0, NULL, &ds1620_proc_therm_fops))
printk(KERN_ERR "therm: unable to register /proc/therm\n");
#endif

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