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| author | Jiri Slaby <jslaby@suse.cz> | 2021-06-18 08:14:55 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-06-18 13:10:02 +0200 |
| commit | c3db20c3b71bf14d49e4a6582325e22db4e74a75 (patch) | |
| tree | d195d2a85eef68b31e49f58843dbe83903f64ec3 /drivers/tty | |
| parent | c24c31ff4a7d392945293fd61e844921b9f26f33 (diff) | |
| download | lwn-c3db20c3b71bf14d49e4a6582325e22db4e74a75.tar.gz lwn-c3db20c3b71bf14d49e4a6582325e22db4e74a75.zip | |
mxser: cleanup mxser_process_txrx_fifo
Rename process_txrx_fifo to mxser_process_txrx_fifo and:
* remove useless parentheses
* return from the 'if's true branch and process the rest in normal code
flow (shift the code one level left)
All this to make the code more readable.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20210618061516.662-50-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/mxser.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c index bb4110d466cb..1e54e94a7ca6 100644 --- a/drivers/tty/mxser.c +++ b/drivers/tty/mxser.c @@ -398,22 +398,24 @@ static enum mxser_must_hwid mxser_must_get_hwid(unsigned long io) return MOXA_OTHER_UART; } -static void process_txrx_fifo(struct mxser_port *info) +static void mxser_process_txrx_fifo(struct mxser_port *info) { - int i; + unsigned int i; - if ((info->type == PORT_16450) || (info->type == PORT_8250)) { + if (info->type == PORT_16450 || info->type == PORT_8250) { info->rx_high_water = 1; info->rx_low_water = 1; info->xmit_fifo_size = 1; - } else - for (i = 0; i < UART_INFO_NUM; i++) - if (info->board->must_hwid == Gpci_uart_info[i].type) { - info->rx_low_water = Gpci_uart_info[i].rx_low_water; - info->rx_high_water = Gpci_uart_info[i].rx_high_water; - info->xmit_fifo_size = Gpci_uart_info[i].fifo_size; - break; - } + return; + } + + for (i = 0; i < UART_INFO_NUM; i++) + if (info->board->must_hwid == Gpci_uart_info[i].type) { + info->rx_low_water = Gpci_uart_info[i].rx_low_water; + info->rx_high_water = Gpci_uart_info[i].rx_high_water; + info->xmit_fifo_size = Gpci_uart_info[i].fifo_size; + break; + } } static int mxser_carrier_raised(struct tty_port *port) @@ -1149,7 +1151,7 @@ static int mxser_set_serial_info(struct tty_struct *tty, info->type = ss->type; - process_txrx_fifo(info); + mxser_process_txrx_fifo(info); } if (tty_port_initialized(port)) { @@ -1895,7 +1897,7 @@ static void mxser_initbrd(struct mxser_board *brd, bool high_baud) info->type = PORT_16550A; - process_txrx_fifo(info); + mxser_process_txrx_fifo(info); info->port.close_delay = 5 * HZ / 10; info->port.closing_wait = 30 * HZ; |