Messages in this thread Patch in this message | | | From | Soren Brinkmann <> | Subject | [PATH RESEND v2 06/10] tty: xuartps: Keep lock for whole ISR | Date | Thu, 19 Nov 2015 12:02:20 -0800 |
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The RX path in the interrupt handler released a lock unnecessarily.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com> --- drivers/tty/serial/xilinx_uartps.c | 2 -- 1 file changed, 2 deletions(-)
diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c index 167e0f4bcf7a..5efd1b9d220f 100644 --- a/drivers/tty/serial/xilinx_uartps.c +++ b/drivers/tty/serial/xilinx_uartps.c @@ -265,9 +265,7 @@ static irqreturn_t cdns_uart_isr(int irq, void *dev_id) uart_insert_char(port, isrstatus, CDNS_UART_IXR_OVERRUN, data, status); } - spin_unlock(&port->lock); tty_flip_buffer_push(&port->state->port); - spin_lock(&port->lock); } /* Dispatch an appropriate handler */ -- 2.6.3.3.g9bb996a
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