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tty: xtensa/iss, remove stale comments 

These are likely taken over from amiserial. iss doesn't do anything of
that.

Cc: Chris Zankel <chris@zankel.net>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: linux-xtensa@linux-xtensa.org
Acked-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20210302062214.29627-31-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby 2021-03-02 07:22:01 +01:00 committed by Greg Kroah-Hartman
parent 0894b13467
commit bd5b219425
1 changed files with 0 additions and 18 deletions
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18
arch/xtensa/platforms/iss/console.c
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@ -37,13 +37,6 @@ static struct timer_list serial_timer;
static DEFINE_SPINLOCK(timer_lock);
/*
* This routine is called whenever a serial port is opened. It
* enables interrupts for a serial port, linking in its async structure into
* the IRQ chain. It also performs the serial-specific
* initialization for the tty structure.
*/
static void rs_poll(struct timer_list *);
static int rs_open(struct tty_struct *tty, struct file * filp)
@ -58,17 +51,6 @@ static int rs_open(struct tty_struct *tty, struct file * filp)
return 0;
}
/*
* ------------------------------------------------------------
* iss_serial_close()
*
* This routine is called when the serial port gets closed. First, we
* wait for the last remaining data to be sent. Then, we unlink its
* async structure from the interrupt chain if necessary, and we free
* that IRQ if nothing is left in the chain.
* ------------------------------------------------------------
*/
static void rs_close(struct tty_struct *tty, struct file * filp)
{
spin_lock_bh(&timer_lock);