Commit 09065c5f authored Oct 24, 2016 by Masahiro Yamada Committed by Greg Kroah-Hartman Oct 27, 2016

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>

parent 0ead21ad

drivers/tty/serial/8250/8250_uniphier.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;