diff options
Diffstat (limited to 'drivers/tty/serial/msm_serial.c')
| -rw-r--r-- | drivers/tty/serial/msm_serial.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c index 6788e7532dff..1db79ee8a886 100644 --- a/drivers/tty/serial/msm_serial.c +++ b/drivers/tty/serial/msm_serial.c @@ -1175,11 +1175,6 @@ static int msm_startup(struct uart_port *port) snprintf(msm_port->name, sizeof(msm_port->name), "msm_serial%d", port->line); - ret = request_irq(port->irq, msm_uart_irq, IRQF_TRIGGER_HIGH, - msm_port->name, port); - if (unlikely(ret)) - return ret; - msm_init_clock(port); if (likely(port->fifosize > 12)) @@ -1206,7 +1201,21 @@ static int msm_startup(struct uart_port *port) msm_request_rx_dma(msm_port, msm_port->uart.mapbase); } + ret = request_irq(port->irq, msm_uart_irq, IRQF_TRIGGER_HIGH, + msm_port->name, port); + if (unlikely(ret)) + goto err_irq; + return 0; + +err_irq: + if (msm_port->is_uartdm) + msm_release_dma(msm_port); + + clk_disable_unprepare(msm_port->pclk); + clk_disable_unprepare(msm_port->clk); + + return ret; } static void msm_shutdown(struct uart_port *port) |