commit: http://blackfin.uclinux.org/git/?p=linux-kernel;a=commitdiff;h=f881395bfc9a62e12d903c8ebe4b2b254de2c3df branch: http://blackfin.uclinux.org/git/?p=linux-kernel;a=shortlog;h=refs/heads/2012R1
No need to touch serial interrupts mask. Signed-off-by: Sonic Zhang <[email protected]> --- drivers/tty/serial/bfin_uart.c | 12 +++++++----- 1 files changed, 7 insertions(+), 5 deletions(-) diff --git a/drivers/tty/serial/bfin_uart.c b/drivers/tty/serial/bfin_uart.c index 0f937e7..75af335 100644 --- a/drivers/tty/serial/bfin_uart.c +++ b/drivers/tty/serial/bfin_uart.c @@ -760,6 +760,9 @@ 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); @@ -805,7 +808,7 @@ 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, ier, lcr = 0; + unsigned int val, lcr = 0; switch (termios->c_cflag & CSIZE) { case CS8: @@ -876,8 +879,9 @@ bfin_serial_set_termios(struct uart_port *port, struct ktermios *termios, UART_SET_ANOMALY_THRESHOLD(uart, USEC_PER_SEC / baud * 15); /* Disable UART */ - ier = UART_GET_IER(uart); - UART_DISABLE_INTS(uart); + val = UART_GET_GCTL(uart); + val &= ~UCEN; + UART_PUT_GCTL(uart, val); /* Set DLAB in LCR to Access CLK */ UART_SET_DLAB(uart); @@ -891,8 +895,6 @@ 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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