diff options
author | David S. Miller <davem@davemloft.net> | 2014-09-23 12:09:27 -0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2014-09-23 12:09:27 -0400 |
commit | 1f6d80358dc9bbbeb56cb43384fa11fd645d9289 (patch) | |
tree | 152bfa5165292a8e4f06d536b6d222a68480e573 /drivers/tty/serial | |
parent | a2aeb02a8e6a9fef397c344245a54eeae67341f6 (diff) | |
parent | 98f75b8291a89ba6bf73e322ee467ce0bfeb91c1 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
arch/mips/net/bpf_jit.c
drivers/net/can/flexcan.c
Both the flexcan and MIPS bpf_jit conflicts were cases of simple
overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/tty/serial')
-rw-r--r-- | drivers/tty/serial/8250/8250_dw.c | 1 | ||||
-rw-r--r-- | drivers/tty/serial/atmel_serial.c | 43 | ||||
-rw-r--r-- | drivers/tty/serial/xilinx_uartps.c | 2 |
3 files changed, 44 insertions, 2 deletions
diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c index 4db7987ec225..57d9df84ce5d 100644 --- a/drivers/tty/serial/8250/8250_dw.c +++ b/drivers/tty/serial/8250/8250_dw.c @@ -540,6 +540,7 @@ static const struct acpi_device_id dw8250_acpi_match[] = { { "INT3434", 0 }, { "INT3435", 0 }, { "80860F0A", 0 }, + { "8086228A", 0 }, { }, }; MODULE_DEVICE_TABLE(acpi, dw8250_acpi_match); diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c index 7b63677475c1..d7d4584549a5 100644 --- a/drivers/tty/serial/atmel_serial.c +++ b/drivers/tty/serial/atmel_serial.c @@ -527,6 +527,45 @@ static void atmel_enable_ms(struct uart_port *port) } /* + * Disable modem status interrupts + */ +static void atmel_disable_ms(struct uart_port *port) +{ + struct atmel_uart_port *atmel_port = to_atmel_uart_port(port); + uint32_t idr = 0; + + /* + * Interrupt should not be disabled twice + */ + if (!atmel_port->ms_irq_enabled) + return; + + atmel_port->ms_irq_enabled = false; + + if (atmel_port->gpio_irq[UART_GPIO_CTS] >= 0) + disable_irq(atmel_port->gpio_irq[UART_GPIO_CTS]); + else + idr |= ATMEL_US_CTSIC; + + if (atmel_port->gpio_irq[UART_GPIO_DSR] >= 0) + disable_irq(atmel_port->gpio_irq[UART_GPIO_DSR]); + else + idr |= ATMEL_US_DSRIC; + + if (atmel_port->gpio_irq[UART_GPIO_RI] >= 0) + disable_irq(atmel_port->gpio_irq[UART_GPIO_RI]); + else + idr |= ATMEL_US_RIIC; + + if (atmel_port->gpio_irq[UART_GPIO_DCD] >= 0) + disable_irq(atmel_port->gpio_irq[UART_GPIO_DCD]); + else + idr |= ATMEL_US_DCDIC; + + UART_PUT_IDR(port, idr); +} + +/* * Control the transmission of a break signal */ static void atmel_break_ctl(struct uart_port *port, int break_state) @@ -1993,7 +2032,9 @@ static void atmel_set_termios(struct uart_port *port, struct ktermios *termios, /* CTS flow-control and modem-status interrupts */ if (UART_ENABLE_MS(port, termios->c_cflag)) - port->ops->enable_ms(port); + atmel_enable_ms(port); + else + atmel_disable_ms(port); spin_unlock_irqrestore(&port->lock, flags); } diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c index 01951d27cc03..806e4bcadbd7 100644 --- a/drivers/tty/serial/xilinx_uartps.c +++ b/drivers/tty/serial/xilinx_uartps.c @@ -581,7 +581,7 @@ static unsigned int cdns_uart_tx_empty(struct uart_port *port) { unsigned int status; - status = cdns_uart_readl(CDNS_UART_ISR_OFFSET) & CDNS_UART_IXR_TXEMPTY; + status = cdns_uart_readl(CDNS_UART_SR_OFFSET) & CDNS_UART_SR_TXEMPTY; return status ? TIOCSER_TEMT : 0; } |