diff options
| author | Jiri Slaby <jslaby@suse.cz> | 2021-06-18 08:14:42 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-06-18 13:10:01 +0200 |
| commit | d811b26ba3a78d45ccfc8e562323d9104d321c87 (patch) | |
| tree | 27dbb675175827aacefa6b4f9c021bbba4933fe6 | |
| parent | a6970c39c311f393c2a2b43733e1b4ce2b241f53 (diff) | |
mxser: drop mxser_port::custom_divisor
It's an once-set constant, so define a macro for the constant
(MXSER_CUSTOM_DIVISOR) and use it in the code instead.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20210618061516.662-37-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/tty/mxser.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c index 204b71c4d1ae..c4ee5cb6952e 100644 --- a/drivers/tty/mxser.c +++ b/drivers/tty/mxser.c @@ -157,6 +157,7 @@ #define WAKEUP_CHARS 256 #define MXSER_BAUD_BASE 921600 +#define MXSER_CUSTOM_DIVISOR (MXSER_BAUD_BASE * 16) #define PCI_DEVICE_ID_POS104UL 0x1044 #define PCI_DEVICE_ID_CB108 0x1080 @@ -284,8 +285,6 @@ struct mxser_port { unsigned char ldisc_stop_rx; - int custom_divisor; - struct async_icount icount; /* kernel counters for 4 input interrupts */ unsigned int timeout; @@ -1226,7 +1225,7 @@ static int mxser_get_serial_info(struct tty_struct *tty, ss->baud_base = MXSER_BAUD_BASE, ss->close_delay = close_delay; ss->closing_wait = closing_wait; - ss->custom_divisor = info->custom_divisor, + ss->custom_divisor = MXSER_CUSTOM_DIVISOR, mutex_unlock(&port->mutex); return 0; } @@ -1285,7 +1284,7 @@ static int mxser_set_serial_info(struct tty_struct *tty, if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST && (ss->baud_base != MXSER_BAUD_BASE || ss->custom_divisor != - info->custom_divisor)) { + MXSER_CUSTOM_DIVISOR)) { if (ss->custom_divisor == 0) { mutex_unlock(&port->mutex); return -EINVAL; @@ -2019,7 +2018,6 @@ static int mxser_initbrd(struct mxser_board *brd) process_txrx_fifo(info); - info->custom_divisor = MXSER_BAUD_BASE * 16; info->port.close_delay = 5 * HZ / 10; info->port.closing_wait = 30 * HZ; spin_lock_init(&info->slock); |