Commit 5ffdeea2 authored Oct 13, 2008 by Sonic Zhang Committed by Linus Torvalds Oct 13, 2008

Blackfin Serial Driver: Fix bug - Don't call tx_stop in tx_transfer.



Disable irq and return immediately.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 08668ab7

drivers/serial/bfin_5xx.c

+5 −1

Original line number	Diff line number	Diff line
		@@ -301,7 +301,11 @@ static void bfin_serial_tx_chars(struct bfin_serial_port *uart)
		bfin_serial_mctrl_check(uart);

		if (uart_circ_empty(xmit) \|\| uart_tx_stopped(&uart->port)) {
		bfin_serial_stop_tx(&uart->port);
		#ifdef CONFIG_BF54x
		/* Clear TFI bit */
		UART_PUT_LSR(uart, TFI);
		#endif
		UART_CLEAR_IER(uart, ETBEI);
		return;
		}

Admin message