commit: http://blackfin.uclinux.org/git/?p=linux-kernel;a=commitdiff;h=d3ee130d5637e99b515306e059114aedf47e9500 branch: http://blackfin.uclinux.org/git/?p=linux-kernel;a=shortlog;h=refs/heads/trunk
Signed-off-by: Sonic Zhang <[email protected]> --- drivers/tty/serial/bfin_uart.c | 19 ++++++++++--------- 1 files changed, 10 insertions(+), 9 deletions(-) diff --git a/drivers/tty/serial/bfin_uart.c b/drivers/tty/serial/bfin_uart.c index cf2d927..4869285 100644 --- a/drivers/tty/serial/bfin_uart.c +++ b/drivers/tty/serial/bfin_uart.c @@ -726,16 +726,17 @@ static int bfin_serial_startup(struct uart_port *port) } #endif #ifdef CONFIG_SERIAL_BFIN_HARD_CTSRTS - if (uart->cts_pin >= 0 && request_irq(uart->status_irq, - bfin_serial_mctrl_cts_int, - IRQF_DISABLED, "BFIN_UART_MODEM_STATUS", uart)) { - uart->cts_pin = -1; - pr_info("Unable to attach BlackFin UART Modem Status interrupt.\n"); - } + if (uart->cts_pin >= 0) { + if (request_irq(uart->status_irq, bfin_serial_mctrl_cts_int, + IRQF_DISABLED, "BFIN_UART_MODEM_STATUS", uart)) { + uart->cts_pin = -1; + pr_info("Unable to attach BlackFin UART Modem Status interrupt.\n"); + } - /* CTS RTS PINs are negative assertive. */ - UART_PUT_MCR(uart, ACTS); - UART_SET_IER(uart, EDSSI); + /* CTS RTS PINs are negative assertive. */ + UART_PUT_MCR(uart, ACTS); + UART_SET_IER(uart, EDSSI); + } #endif UART_SET_IER(uart, ERBFI);
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