/*
- * arch/xtensa/platform-iss/console.c
+ * arch/xtensa/platforms/iss/console.c
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
#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>
#include <asm/uaccess.h>
#include <asm/irq.h>
-#include <asm/platform/simcall.h>
+#include <platform/simcall.h>
#include <linux/tty.h>
#include <linux/tty_flip.h>
int errno;
+static int __simc (int a, int b, int c, int d, int e, int f) __attribute__((__noinline__));
static int __simc (int a, int b, int c, int d, int e, int f)
{
int ret;
}
-static void rs_put_char(struct tty_struct *tty, unsigned char ch)
+static int rs_put_char(struct tty_struct *tty, unsigned char ch)
{
char buf[2];
- if (!tty)
- return;
-
buf[0] = ch;
buf[1] = '\0'; /* Is this NULL necessary? */
__simc (SYS_write, 1, (unsigned long) buf, 1, 0, 0);
+ return 1;
}
static void rs_flush_chars(struct tty_struct *tty)
/* 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 = {
+static const struct tty_operations serial_ops = {
.open = rs_open,
.close = rs_close,
.write = rs_write,
.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)