diff options
Diffstat (limited to 'drivers/tty/serial/amba-pl011.c')
-rw-r--r-- | drivers/tty/serial/amba-pl011.c | 48 |
1 files changed, 31 insertions, 17 deletions
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c index 4d11a3e547f9..97ef41cb2721 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c @@ -42,8 +42,6 @@ #include <linux/io.h> #include <linux/acpi.h> -#include "amba-pl011.h" - #define UART_NR 14 #define SERIAL_AMBA_MAJOR 204 @@ -55,6 +53,36 @@ #define UART_DR_ERROR (UART011_DR_OE|UART011_DR_BE|UART011_DR_PE|UART011_DR_FE) #define UART_DUMMY_DR_RX (1 << 16) +enum { + REG_DR, + REG_ST_DMAWM, + REG_ST_TIMEOUT, + REG_FR, + REG_LCRH_RX, + REG_LCRH_TX, + REG_IBRD, + REG_FBRD, + REG_CR, + REG_IFLS, + REG_IMSC, + REG_RIS, + REG_MIS, + REG_ICR, + REG_DMACR, + REG_ST_XFCR, + REG_ST_XON1, + REG_ST_XON2, + REG_ST_XOFF1, + REG_ST_XOFF2, + REG_ST_ITCR, + REG_ST_ITIP, + REG_ST_ABCR, + REG_ST_ABIMSC, + + /* The size of the array - must be last */ + REG_ARRAY_SIZE, +}; + static u16 pl011_std_offsets[REG_ARRAY_SIZE] = { [REG_DR] = UART01x_DR, [REG_FR] = UART01x_FR, @@ -2175,25 +2203,11 @@ static int pl011_rs485_config(struct uart_port *port, struct uart_amba_port *uap = container_of(port, struct uart_amba_port, port); - /* pick sane settings if the user hasn't */ - if (!(rs485->flags & SER_RS485_RTS_ON_SEND) == - !(rs485->flags & SER_RS485_RTS_AFTER_SEND)) { - rs485->flags |= SER_RS485_RTS_ON_SEND; - rs485->flags &= ~SER_RS485_RTS_AFTER_SEND; - } - /* clamp the delays to [0, 100ms] */ - rs485->delay_rts_before_send = min(rs485->delay_rts_before_send, 100U); - rs485->delay_rts_after_send = min(rs485->delay_rts_after_send, 100U); - memset(rs485->padding, 0, sizeof(rs485->padding)); - if (port->rs485.flags & SER_RS485_ENABLED) pl011_rs485_tx_stop(uap); - /* Set new configuration */ - port->rs485 = *rs485; - /* Make sure auto RTS is disabled */ - if (port->rs485.flags & SER_RS485_ENABLED) { + if (rs485->flags & SER_RS485_ENABLED) { u32 cr = pl011_read(uap, REG_CR); cr &= ~UART011_CR_RTSEN; |