commit: http://blackfin.uclinux.org/git/?p=linux-kernel;a=commitdiff;h=4bb113a32b406ec0e45e08f6172a820aeb16dd9b branch: http://blackfin.uclinux.org/git/?p=linux-kernel;a=shortlog;h=refs/heads/trunk
This reverts commit dc2797b88d7edbc56bbd1d1f4ed6bde5ac06c45f. Signed-off-by: Sonic Zhang <[email protected]> --- drivers/tty/serial/bfin_uart.c | 12 +++++------- 1 files changed, 5 insertions(+), 7 deletions(-) diff --git a/drivers/tty/serial/bfin_uart.c b/drivers/tty/serial/bfin_uart.c index cb48513..38b5541 100644 --- a/drivers/tty/serial/bfin_uart.c +++ b/drivers/tty/serial/bfin_uart.c @@ -760,9 +760,6 @@ static void bfin_serial_shutdown(struct uart_port *port) { struct bfin_serial_port *uart = (struct bfin_serial_port *)port; - UART_SET_IER(uart, 0); - UART_PUT_GCTL(uart, 0); - #ifdef CONFIG_SERIAL_BFIN_DMA disable_dma(uart->tx_dma_channel); free_dma(uart->tx_dma_channel); @@ -808,7 +805,7 @@ bfin_serial_set_termios(struct uart_port *port, struct ktermios *termios, struct bfin_serial_port *uart = (struct bfin_serial_port *)port; unsigned long flags; unsigned int baud, quot; - unsigned int val, lcr = 0; + unsigned int val, ier, lcr = 0; switch (termios->c_cflag & CSIZE) { case CS8: @@ -879,9 +876,8 @@ bfin_serial_set_termios(struct uart_port *port, struct ktermios *termios, UART_SET_ANOMALY_THRESHOLD(uart, USEC_PER_SEC / baud * 15); /* Disable UART */ - val = UART_GET_GCTL(uart); - val &= ~UCEN; - UART_PUT_GCTL(uart, val); + ier = UART_GET_IER(uart); + UART_DISABLE_INTS(uart); /* Set DLAB in LCR to Access CLK */ UART_SET_DLAB(uart); @@ -895,6 +891,8 @@ bfin_serial_set_termios(struct uart_port *port, struct ktermios *termios, UART_PUT_LCR(uart, (UART_GET_LCR(uart) & ~LCR_MASK) | lcr); /* Enable UART */ + UART_ENABLE_INTS(uart, ier); + val = UART_GET_GCTL(uart); val |= UCEN; UART_PUT_GCTL(uart, val);
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