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Diffstat (limited to 'arch/xtensa/platforms/iss/console.c')
-rw-r--r--arch/xtensa/platforms/iss/console.c29
1 files changed, 16 insertions, 13 deletions
diff --git a/arch/xtensa/platforms/iss/console.c b/arch/xtensa/platforms/iss/console.c
index 25d46c84eb08..4c559cf7da2d 100644
--- a/arch/xtensa/platforms/iss/console.c
+++ b/arch/xtensa/platforms/iss/console.c
@@ -18,6 +18,7 @@
#include <linux/mm.h>
#include <linux/major.h>
#include <linux/param.h>
+#include <linux/seq_file.h>
#include <linux/serial.h>
#include <linux/serialP.h>
@@ -176,22 +177,24 @@ static void rs_wait_until_sent(struct tty_struct *tty, int timeout)
/* Stub, once again.. */
}
-static int rs_read_proc(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static int rs_proc_show(struct seq_file *m, void *v)
{
- int len = 0;
- off_t begin = 0;
-
- len += sprintf(page, "serinfo:1.0 driver:%s\n", serial_version);
- *eof = 1;
-
- if (off >= len + begin)
- return 0;
+ seq_printf(m, "serinfo:1.0 driver:%s\n", serial_version);
+ return 0;
+}
- *start = page + (off - begin);
- return ((count < begin + len - off) ? count : begin + len - off);
+static int rs_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, rs_proc_show, NULL);
}
+static const struct file_operations rs_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = rs_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
static struct tty_operations serial_ops = {
.open = rs_open,
@@ -203,7 +206,7 @@ static struct tty_operations serial_ops = {
.chars_in_buffer = rs_chars_in_buffer,
.hangup = rs_hangup,
.wait_until_sent = rs_wait_until_sent,
- .read_proc = rs_read_proc
+ .proc_fops = &rs_proc_fops,
};
int __init rs_init(void)