diff options
| author | Jiri Slaby <jirislaby@gmail.com> | 2009-09-10 12:20:08 +0200 |
|---|---|---|
| committer | Live-CD User <linux@linux.site> | 2009-09-19 22:13:38 +0200 |
| commit | a75b7b68ef73685784781d6d2bc416b6dac20969 (patch) | |
| tree | f8af24a2c721da8efb3290315555e49c8e50429b /drivers/char | |
| parent | tty: Char: mxser, add support for CP112UL (diff) | |
| download | linux-a75b7b68ef73685784781d6d2bc416b6dac20969.tar.xz linux-a75b7b68ef73685784781d6d2bc416b6dac20969.zip | |
tty: Char: mxser, use THRE for ASPP_OQUEUE ioctl
In moxa specific ASPP_OQUEUE ioctl command, they apparently want
only know whether there is space in transmitter hold register.
So switch UART_LSR_TEMT to UART_LSR_THRE in that specific case
according to the change in 1.14 moxa drivers.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/mxser.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c index e218ae29b482..5e28d39b9e81 100644 --- a/drivers/char/mxser.c +++ b/drivers/char/mxser.c @@ -1806,7 +1806,7 @@ static int mxser_ioctl(struct tty_struct *tty, struct file *file, lock_kernel(); len = mxser_chars_in_buffer(tty); - lsr = inb(info->ioaddr + UART_LSR) & UART_LSR_TEMT; + lsr = inb(info->ioaddr + UART_LSR) & UART_LSR_THRE; len += (lsr ? 0 : 1); unlock_kernel(); |