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| author | Jiri Slaby <jslaby@suse.cz> | 2013-01-03 15:53:07 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-15 22:43:15 -0800 |
| commit | 6732c8bb8671acbdac6cdc93dd72ddd581dd5e25 (patch) | |
| tree | 6c70977ee03cddd4211b8f775c331b41532ed5da /arch/alpha | |
| parent | 2e124b4a390ca85325fae75764bef92f0547fa25 (diff) | |
| download | linux-3.10-6732c8bb8671acbdac6cdc93dd72ddd581dd5e25.tar.gz linux-3.10-6732c8bb8671acbdac6cdc93dd72ddd581dd5e25.tar.bz2 linux-3.10-6732c8bb8671acbdac6cdc93dd72ddd581dd5e25.zip | |
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>
Diffstat (limited to 'arch/alpha')
| -rw-r--r-- | arch/alpha/kernel/srmcons.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/arch/alpha/kernel/srmcons.c b/arch/alpha/kernel/srmcons.c index 21b57a66e80..6f01d9ad7b8 100644 --- a/arch/alpha/kernel/srmcons.c +++ b/arch/alpha/kernel/srmcons.c @@ -44,9 +44,8 @@ typedef union _srmcons_result { /* 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 @@ srmcons_do_receive_chars(struct tty_struct *tty) } while((result.bits.status & 1) && (++loops < 10)); if (count) - tty_schedule_flip(tty); + tty_schedule_flip(port); return count; } @@ -74,7 +73,7 @@ srmcons_receive_chars(unsigned long data) 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 @@ srmcons_receive_chars(unsigned long data) /* 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 @@ srmcons_do_write(struct tty_struct *tty, const char *buf, int count) 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 @@ srmcons_write(struct tty_struct *tty, 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; |