serial: 8250_uniphier: fix clearing divisor latch access bit

At this point, 'value' is always a byte, then this code is clearing
bit 15, which is already clear.  I meant to clear bit 7.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reported-by: Denys Vlasenko <dvlasenk@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/8250/8250_uniphier.c b/drivers/tty/serial/8250/8250_uniphier.c
index a8babb0..417d9e7 100644 (file)
--- a/drivers/tty/serial/8250/8250_uniphier.c
+++ b/drivers/tty/serial/8250/8250_uniphier.c
@@ -99,7 +99,7 @@ static void uniphier_serial_out(struct uart_port *p, int offset, int value)
        case UART_LCR:
                valshift = UNIPHIER_UART_LCR_SHIFT;
                /* Divisor latch access bit does not exist. */
-               value &= ~(UART_LCR_DLAB << valshift);
+               value &= ~UART_LCR_DLAB;
                /* fall through */
        case UART_MCR:
                offset = UNIPHIER_UART_LCR_MCR;