From: Sonic Zhang <sonic.zhang@xxxxxxxxxx>
Signed-off-by: Sonic Zhang <sonic.zhang@xxxxxxxxxx>
---
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 abac237..a6c1c08 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,
- 0, "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);
--
1.7.0.4
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