1 files changed, 20 insertions, 15 deletions

diff --git a/arch/h8300/kernel/gpio.c b/arch/h8300/kernel/gpio.c
index 6a25dd5530e7..b02c752cd326 100644
--- a/arch/h8300/kernel/gpio.c
+++ b/arch/h8300/kernel/gpio.c
@@ -11,6 +11,7 @@
 
 #include <linux/stddef.h>
 #include <linux/proc_fs.h>
+#include <linux/seq_file.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <linux/fs.h>
@@ -138,30 +139,34 @@ static char *port_status(int portno)
         return result;
 }
 
-static int gpio_proc_read(char *buf, char **start, off_t offset, 
-                          int len, int *unused_i, void *unused_v)
+static int gpio_proc_show(struct seq_file *m, void *v)
 {
-        int c,outlen;
         static const char port_name[]="123456789ABCDEFGH";
-        outlen = 0;
+        int c;
+
         for (c = 0; c < MAX_PORT; c++) {
                 if (ddrs[c] == NULL)
-                        continue ;
-                len = sprintf(buf,"P%c: %s\n",port_name[c],port_status(c));
-                buf += len;
-                outlen += len;
+                        continue;
+                seq_printf(m, "P%c: %s\n", port_name[c], port_status(c));
         }
-        return outlen;
+        return 0;
 }
 
-static __init int register_proc(void)
+static int gpio_proc_open(struct inode *inode, struct file *file)
 {
-        struct proc_dir_entry *proc_gpio;
+        return single_open(file, gpio_proc_show, PDE_DATA(inode));
+}
 
-        proc_gpio = create_proc_entry("gpio", S_IRUGO, NULL);
-        if (proc_gpio) 
-                proc_gpio->read_proc = gpio_proc_read;
-        return proc_gpio != NULL;
+static const struct file_operations gpio_proc_fops = {
+        .open           = gpio_proc_open,
+        .read           = seq_read,
+        .llseek         = seq_lseek,
+        .release        = seq_release,
+};
+
+static __init int register_proc(void)
+{
+        return proc_create("gpio", S_IRUGO, NULL, &gpio_proc_fops) != NULL;
 }
 
 __initcall(register_proc);