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crisv10: prepare for BKL push down

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Just the modem bits this time

Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Mikael Starvik <mikael.starvik@axis.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alan Cox 2008-04-28 02:13:50 -07:00 committed by Linus Torvalds
parent f85e7cdc3f
commit 032c17e8af
1 changed files with 7 additions and 0 deletions
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7
drivers/serial/crisv10.c
View file

@ -3582,6 +3582,8 @@ rs_tiocmset(struct tty_struct *tty, struct file *file,
{
struct e100_serial *info = (struct e100_serial *)tty->driver_data;
lock_kernel();
if (clear & TIOCM_RTS)
e100_rts(info, 0);
if (clear & TIOCM_DTR)
@ -3601,6 +3603,8 @@ rs_tiocmset(struct tty_struct *tty, struct file *file,
e100_ri_out(info, 1);
if (set & TIOCM_CD)
e100_cd_out(info, 1);
unlock_kernel();
return 0;
}
@ -3610,6 +3614,7 @@ rs_tiocmget(struct tty_struct *tty, struct file *file)
struct e100_serial *info = (struct e100_serial *)tty->driver_data;
unsigned int result;
lock_kernel();
result =
(!E100_RTS_GET(info) ? TIOCM_RTS : 0)
| (!E100_DTR_GET(info) ? TIOCM_DTR : 0)
@ -3618,6 +3623,8 @@ rs_tiocmget(struct tty_struct *tty, struct file *file)
| (!E100_CD_GET(info) ? TIOCM_CAR : 0)
| (!E100_CTS_GET(info) ? TIOCM_CTS : 0);
unlock_kernel();
#ifdef SERIAL_DEBUG_IO
printk(KERN_DEBUG "ser%i: modem state: %i 0x%08X\n",
info->line, result, result);