TTY: switch tty_schedule_flip
Now, we start converting tty buffer functions to actually use
tty_port. This will allow us to get rid of the need of tty in many
call sites. Only tty_port will needed and hence no more
tty_port_tty_get in those paths.
This is the last one: tty_schedule_flip
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/arch/alpha/kernel/srmcons.c b/arch/alpha/kernel/srmcons.c
index 21b57a6..6f01d9a 100644
--- a/arch/alpha/kernel/srmcons.c
+++ b/arch/alpha/kernel/srmcons.c
@@ -44,9 +44,8 @@
/* called with callback_lock held */
static int
-srmcons_do_receive_chars(struct tty_struct *tty)
+srmcons_do_receive_chars(struct tty_port *port)
{
- struct tty_port *port = tty->port;
srmcons_result result;
int count = 0, loops = 0;
@@ -59,7 +58,7 @@
} while((result.bits.status & 1) && (++loops < 10));
if (count)
- tty_schedule_flip(tty);
+ tty_schedule_flip(port);
return count;
}
@@ -74,7 +73,7 @@
local_irq_save(flags);
if (spin_trylock(&srmcons_callback_lock)) {
- if (!srmcons_do_receive_chars(port->tty))
+ if (!srmcons_do_receive_chars(port))
incr = 100;
spin_unlock(&srmcons_callback_lock);
}
@@ -89,7 +88,7 @@
/* called with callback_lock held */
static int
-srmcons_do_write(struct tty_struct *tty, const char *buf, int count)
+srmcons_do_write(struct tty_port *port, const char *buf, int count)
{
static char str_cr[1] = "\r";
long c, remaining = count;
@@ -114,10 +113,10 @@
cur += result.bits.c;
/*
- * Check for pending input iff a tty was provided
+ * Check for pending input iff a tty port was provided
*/
- if (tty)
- srmcons_do_receive_chars(tty);
+ if (port)
+ srmcons_do_receive_chars(port);
}
while (need_cr) {
@@ -136,7 +135,7 @@
unsigned long flags;
spin_lock_irqsave(&srmcons_callback_lock, flags);
- srmcons_do_write(tty, (const char *) buf, count);
+ srmcons_do_write(tty->port, (const char *) buf, count);
spin_unlock_irqrestore(&srmcons_callback_lock, flags);
return count;
