[PATCH] seq_file conversion: toshiba.c
Alexey Dobriyan [Sat, 10 Feb 2007 09:46:15 +0000 (01:46 -0800)]
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Dmitry Torokhov <dtor_core@ameritech.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/char/toshiba.c

index 07067c3..c346ec5 100644 (file)
@@ -68,6 +68,7 @@
 #include <linux/init.h>
 #include <linux/stat.h>
 #include <linux/proc_fs.h>
+#include <linux/seq_file.h>
 
 #include <linux/toshiba.h>
 
@@ -298,12 +299,10 @@ static int tosh_ioctl(struct inode *ip, struct file *fp, unsigned int cmd,
  * Print the information for /proc/toshiba
  */
 #ifdef CONFIG_PROC_FS
-static int tosh_get_info(char *buffer, char **start, off_t fpos, int length)
+static int proc_toshiba_show(struct seq_file *m, void *v)
 {
-       char *temp;
        int key;
 
-       temp = buffer;
        key = tosh_fn_status();
 
        /* Arguments
@@ -314,8 +313,7 @@ static int tosh_get_info(char *buffer, char **start, off_t fpos, int length)
             4) BIOS date (in SCI date format)
             5) Fn Key status
        */
-
-       temp += sprintf(temp, "1.1 0x%04x %d.%d %d.%d 0x%04x 0x%02x\n",
+       seq_printf(m, "1.1 0x%04x %d.%d %d.%d 0x%04x 0x%02x\n",
                tosh_id,
                (tosh_sci & 0xff00)>>8,
                tosh_sci & 0xff,
@@ -323,9 +321,21 @@ static int tosh_get_info(char *buffer, char **start, off_t fpos, int length)
                tosh_bios & 0xff,
                tosh_date,
                key);
+       return 0;
+}
 
-       return temp-buffer;
+static int proc_toshiba_open(struct inode *inode, struct file *file)
+{
+       return single_open(file, proc_toshiba_show, NULL);
 }
+
+static const struct file_operations proc_toshiba_fops = {
+       .owner          = THIS_MODULE,
+       .open           = proc_toshiba_open,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+       .release        = single_release,
+};
 #endif
 
 
@@ -508,10 +518,15 @@ static int __init toshiba_init(void)
                return retval;
 
 #ifdef CONFIG_PROC_FS
-       /* register the proc entry */
-       if (create_proc_info_entry("toshiba", 0, NULL, tosh_get_info) == NULL) {
-               misc_deregister(&tosh_device);
-               return -ENOMEM;
+       {
+               struct proc_dir_entry *pde;
+
+               pde = create_proc_entry("toshiba", 0, NULL);
+               if (!pde) {
+                       misc_deregister(&tosh_device);
+                       return -ENOMEM;
+               }
+               pde->proc_fops = &proc_toshiba_fops;
        }
 #endif