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    Subject[PATCH 7/8] Blackfin Serial Driver: Fix bug - ircp fails on sir over Blackfin UART
    Date
    From: Graf Yang <graf.yang@analog.com>

    We now use the sir_dev/irtty_sir/uart/bfin_serial drivers framework
    to monitor the TX status.

    Signed-off-by: Graf Yang <graf.yang@analog.com>
    Signed-off-by: Bryan Wu <cooloney@kernel.org>
    ---
    drivers/serial/bfin_5xx.c | 4 ++++
    include/asm-blackfin/mach-bf527/bfin_serial_5xx.h | 3 +++
    include/asm-blackfin/mach-bf533/bfin_serial_5xx.h | 2 ++
    include/asm-blackfin/mach-bf537/bfin_serial_5xx.h | 3 +++
    include/asm-blackfin/mach-bf548/bfin_serial_5xx.h | 3 +++
    include/asm-blackfin/mach-bf561/bfin_serial_5xx.h | 2 ++
    6 files changed, 17 insertions(+), 0 deletions(-)

    diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
    index afeff9f..ac74d8b 100644
    --- a/drivers/serial/bfin_5xx.c
    +++ b/drivers/serial/bfin_5xx.c
    @@ -761,6 +761,9 @@ bfin_serial_set_termios(struct uart_port *port, struct ktermios *termios,
    val |= UCEN;
    UART_PUT_GCTL(uart, val);

    + /* Port speed changed, update the per-port timeout. */
    + uart_update_timeout(port, termios->c_cflag, baud);
    +
    spin_unlock_irqrestore(&uart->port.lock, flags);
    }

    @@ -865,6 +868,7 @@ static void __init bfin_serial_init_ports(void)

    for (i = 0; i < nr_active_ports; i++) {
    bfin_serial_ports[i].port.uartclk = get_sclk();
    + bfin_serial_ports[i].port.fifosize = BFIN_UART_TX_FIFO_SIZE;
    bfin_serial_ports[i].port.ops = &bfin_serial_pops;
    bfin_serial_ports[i].port.line = i;
    bfin_serial_ports[i].port.iotype = UPIO_MEM;
    diff --git a/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h
    index a23d047..75722d6 100644
    --- a/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h
    +++ b/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h
    @@ -78,6 +78,9 @@
    # define CONFIG_UART1_RTS_PIN -1
    # endif
    #endif
    +
    +#define BFIN_UART_TX_FIFO_SIZE 2
    +
    /*
    * The pin configuration is different from schematic
    */
    diff --git a/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
    index 20471cd..815bfe5 100644
    --- a/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
    +++ b/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
    @@ -69,6 +69,8 @@
    # endif
    #endif

    +#define BFIN_UART_TX_FIFO_SIZE 2
    +
    struct bfin_serial_port {
    struct uart_port port;
    unsigned int old_status;
    diff --git a/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h
    index 08dfe30..b3f87e1 100644
    --- a/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h
    +++ b/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h
    @@ -78,6 +78,9 @@
    # define CONFIG_UART1_RTS_PIN -1
    # endif
    #endif
    +
    +#define BFIN_UART_TX_FIFO_SIZE 2
    +
    /*
    * The pin configuration is different from schematic
    */
    diff --git a/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h
    index 76976b1..e4cf35e 100644
    --- a/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h
    +++ b/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h
    @@ -82,6 +82,9 @@
    # define CONFIG_UART1_RTS_PIN -1
    # endif
    #endif
    +
    +#define BFIN_UART_TX_FIFO_SIZE 2
    +
    /*
    * The pin configuration is different from schematic
    */
    diff --git a/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h
    index 6cddca4..e0ce0c1 100644
    --- a/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h
    +++ b/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h
    @@ -69,6 +69,8 @@
    # endif
    #endif

    +#define BFIN_UART_TX_FIFO_SIZE 2
    +
    struct bfin_serial_port {
    struct uart_port port;
    unsigned int old_status;
    --
    1.5.6


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