diff options
| author | Sonic Zhang <sonic.zhang@analog.com> | 2010-01-19 11:13:10 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-03-02 22:43:16 (GMT) |
| commit | b2ced4f69ea87399a37b4485280c52034a0161a8 (patch) | |
| tree | 0eae60c4c2bbc705b26c3fc02a90288392a7ea80 /drivers/serial | |
| parent | ca1cce49c2778439d00bbf516f70386f3d3b71e5 (diff) | |
| download | linux-b2ced4f69ea87399a37b4485280c52034a0161a8.tar.xz | |
serial: bfin_5xx: remove useless gpio handling with hard flow control
For UARTs that have dedicated hardware flow control support, there will be
no gpios to request/free as they are part of the normal peripheral pins.
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/bfin_5xx.c | 16 |
1 files changed, 1 insertions, 15 deletions
diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c index 50abb7e..15843cc 100644 --- a/drivers/serial/bfin_5xx.c +++ b/drivers/serial/bfin_5xx.c @@ -746,15 +746,6 @@ static int bfin_serial_startup(struct uart_port *port) Status interrupt.\n"); } - if (uart->cts_pin >= 0) { - gpio_request(uart->cts_pin, DRIVER_NAME); - gpio_direction_output(uart->cts_pin, 1); - } - if (uart->rts_pin >= 0) { - gpio_request(uart->rts_pin, DRIVER_NAME); - gpio_direction_output(uart->rts_pin, 0); - } - /* CTS RTS PINs are negative assertive. */ UART_PUT_MCR(uart, ACTS); UART_SET_IER(uart, EDSSI); @@ -801,10 +792,6 @@ static void bfin_serial_shutdown(struct uart_port *port) gpio_free(uart->rts_pin); #endif #ifdef CONFIG_SERIAL_BFIN_HARD_CTSRTS - if (uart->cts_pin >= 0) - gpio_free(uart->cts_pin); - if (uart->rts_pin >= 0) - gpio_free(uart->rts_pin); if (UART_GET_IER(uart) && EDSSI) free_irq(uart->status_irq, uart); #endif @@ -1409,8 +1396,7 @@ static int bfin_serial_remove(struct platform_device *dev) continue; uart_remove_one_port(&bfin_serial_reg, &bfin_serial_ports[i].port); bfin_serial_ports[i].port.dev = NULL; -#if defined(CONFIG_SERIAL_BFIN_CTSRTS) || \ - defined(CONFIG_SERIAL_BFIN_HARD_CTSRTS) +#if defined(CONFIG_SERIAL_BFIN_CTSRTS) gpio_free(bfin_serial_ports[i].cts_pin); gpio_free(bfin_serial_ports[i].rts_pin); #endif |