tty: icount changeover for other main devices

Again basically cut and paste

Convert the main driver set to use the hooks for GICOUNT

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 18 insertions, 19 deletions

diff --git a/drivers/char/nozomi.c b/drivers/char/nozomi.c
index 817169c..dd3f9b1 100644
--- a/drivers/char/nozomi.c
+++ b/drivers/char/nozomi.c
@@ -1804,24 +1804,24 @@ static int ntty_cflags_changed(struct port *port, unsigned long flags,
 	return ret;
 }
 
-static int ntty_ioctl_tiocgicount(struct port *port, void __user *argp)
+static int ntty_tiocgicount(struct tty_struct *tty,
+				struct serial_icounter_struct *icount)
 {
+	struct port *port = tty->driver_data;
 	const struct async_icount cnow = port->tty_icount;
-	struct serial_icounter_struct icount;
-
-	icount.cts = cnow.cts;
-	icount.dsr = cnow.dsr;
-	icount.rng = cnow.rng;
-	icount.dcd = cnow.dcd;
-	icount.rx = cnow.rx;
-	icount.tx = cnow.tx;
-	icount.frame = cnow.frame;
-	icount.overrun = cnow.overrun;
-	icount.parity = cnow.parity;
-	icount.brk = cnow.brk;
-	icount.buf_overrun = cnow.buf_overrun;
-
-	return copy_to_user(argp, &icount, sizeof(icount)) ? -EFAULT : 0;
+
+	icount->cts = cnow.cts;
+	icount->dsr = cnow.dsr;
+	icount->rng = cnow.rng;
+	icount->dcd = cnow.dcd;
+	icount->rx = cnow.rx;
+	icount->tx = cnow.tx;
+	icount->frame = cnow.frame;
+	icount->overrun = cnow.overrun;
+	icount->parity = cnow.parity;
+	icount->brk = cnow.brk;
+	icount->buf_overrun = cnow.buf_overrun;
+	return 0;
 }
 
 static int ntty_ioctl(struct tty_struct *tty, struct file *file,
@@ -1840,9 +1840,7 @@ static int ntty_ioctl(struct tty_struct *tty, struct file *file,
 		rval = wait_event_interruptible(port->tty_wait,
 				ntty_cflags_changed(port, arg, &cprev));
 		break;
-	} case TIOCGICOUNT:
-		rval = ntty_ioctl_tiocgicount(port, argp);
-		break;
+	}
 	default:
 		DBG1("ERR: 0x%08X, %d", cmd, cmd);
 		break;
@@ -1922,6 +1920,7 @@ static const struct tty_operations tty_ops = {
 	.chars_in_buffer = ntty_chars_in_buffer,
 	.tiocmget = ntty_tiocmget,
 	.tiocmset = ntty_tiocmset,
+	.get_icount = ntty_tiocgicount,
 	.install = ntty_install,
 	.cleanup = ntty_cleanup,
 };