diff options
Diffstat (limited to 'drivers/tty/serial/8250.c')
-rw-r--r-- | drivers/tty/serial/8250.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/tty/serial/8250.c b/drivers/tty/serial/8250.c index b3b881bc4712..6611535f4440 100644 --- a/drivers/tty/serial/8250.c +++ b/drivers/tty/serial/8250.c | |||
@@ -1629,7 +1629,7 @@ static irqreturn_t serial8250_interrupt(int irq, void *dev_id) | |||
1629 | up->port.iotype == UPIO_DWAPB32) && | 1629 | up->port.iotype == UPIO_DWAPB32) && |
1630 | (iir & UART_IIR_BUSY) == UART_IIR_BUSY) { | 1630 | (iir & UART_IIR_BUSY) == UART_IIR_BUSY) { |
1631 | /* The DesignWare APB UART has an Busy Detect (0x07) | 1631 | /* The DesignWare APB UART has an Busy Detect (0x07) |
1632 | * interrupt meaning an LCR write attempt occured while the | 1632 | * interrupt meaning an LCR write attempt occurred while the |
1633 | * UART was busy. The interrupt must be cleared by reading | 1633 | * UART was busy. The interrupt must be cleared by reading |
1634 | * the UART status register (USR) and the LCR re-written. */ | 1634 | * the UART status register (USR) and the LCR re-written. */ |
1635 | unsigned int status; | 1635 | unsigned int status; |