3 files changed, 1 insertions, 79 deletions

diff --git a/drivers/tty/serial/8250/8250.c b/drivers/tty/serial/8250/8250.c
index d085e3a8ec06..5fb6577b94dc 100644
--- a/drivers/tty/serial/8250/8250.c
+++ b/drivers/tty/serial/8250/8250.c
@@ -239,13 +239,6 @@ static const struct serial8250_config uart_config[] = {
                 .fcr            = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10,
                 .flags          = UART_CAP_FIFO | UART_CAP_UUE | UART_CAP_RTOIE,
         },
-        [PORT_RM9000] = {
-                .name           = "RM9000",
-                .fifo_size      = 16,
-                .tx_loadsz      = 16,
-                .fcr            = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10,
-                .flags          = UART_CAP_FIFO,
-        },
         [PORT_OCTEON] = {
                 .name           = "OCTEON",
                 .fifo_size      = 64,
@@ -364,56 +357,6 @@ static void au_serial_dl_write(struct uart_8250_port *up, int value)
 
 #endif
 
-#ifdef CONFIG_SERIAL_8250_RM9K
-
-static const u8
-        regmap_in[8] = {
-                [UART_RX]       = 0x00,
-                [UART_IER]      = 0x0c,
-                [UART_IIR]      = 0x14,
-                [UART_LCR]      = 0x1c,
-                [UART_MCR]      = 0x20,
-                [UART_LSR]      = 0x24,
-                [UART_MSR]      = 0x28,
-                [UART_SCR]      = 0x2c
-        },
-        regmap_out[8] = {
-                [UART_TX]       = 0x04,
-                [UART_IER]      = 0x0c,
-                [UART_FCR]      = 0x18,
-                [UART_LCR]      = 0x1c,
-                [UART_MCR]      = 0x20,
-                [UART_LSR]      = 0x24,
-                [UART_MSR]      = 0x28,
-                [UART_SCR]      = 0x2c
-        };
-
-static unsigned int rm9k_serial_in(struct uart_port *p, int offset)
-{
-        offset = regmap_in[offset] << p->regshift;
-        return readl(p->membase + offset);
-}
-
-static void rm9k_serial_out(struct uart_port *p, int offset, int value)
-{
-        offset = regmap_out[offset] << p->regshift;
-        writel(value, p->membase + offset);
-}
-
-static int rm9k_serial_dl_read(struct uart_8250_port *up)
-{
-        return ((__raw_readl(up->port.membase + 0x10) << 8) |
-                (__raw_readl(up->port.membase + 0x08) & 0xff)) & 0xffff;
-}
-
-static void rm9k_serial_dl_write(struct uart_8250_port *up, int value)
-{
-        __raw_writel(value, up->port.membase + 0x08);
-        __raw_writel(value >> 8, up->port.membase + 0x10);
-}
-
-#endif
-
 static unsigned int hub6_serial_in(struct uart_port *p, int offset)
 {
         offset = offset << p->regshift;
@@ -491,15 +434,6 @@ static void set_io_from_upio(struct uart_port *p)
                 p->serial_out = mem32_serial_out;
                 break;
 
-#ifdef CONFIG_SERIAL_8250_RM9K
-        case UPIO_RM9000:
-                p->serial_in = rm9k_serial_in;
-                p->serial_out = rm9k_serial_out;
-                up->dl_read = rm9k_serial_dl_read;
-                up->dl_write = rm9k_serial_dl_write;
-                break;
-#endif
-
 #ifdef CONFIG_MIPS_ALCHEMY
         case UPIO_AU:
                 p->serial_in = au_serial_in;
@@ -1343,9 +1277,7 @@ static void serial8250_start_tx(struct uart_port *port)
                         unsigned char lsr;
                         lsr = serial_in(up, UART_LSR);
                         up->lsr_saved_flags |= lsr & LSR_SAVE_FLAGS;
-                        if ((port->type == PORT_RM9000) ?
-                                (lsr & UART_LSR_THRE) :
-                                (lsr & UART_LSR_TEMT))
+                        if (lsr & UART_LSR_TEMT)
                                 serial8250_tx_chars(up);
                 }
         }
diff --git a/drivers/tty/serial/8250/Kconfig b/drivers/tty/serial/8250/Kconfig
index c31133a6ea8e..d79208f47237 100644
--- a/drivers/tty/serial/8250/Kconfig
+++ b/drivers/tty/serial/8250/Kconfig
@@ -249,15 +249,6 @@ config SERIAL_8250_ACORN
           system, say Y to this option.  The driver can handle 1, 2, or 3 port
           cards.  If unsure, say N.
 
-config SERIAL_8250_RM9K
-        bool "Support for MIPS RM9xxx integrated serial port"
-        depends on SERIAL_8250 != n && SERIAL_RM9000
-        select SERIAL_8250_SHARE_IRQ
-        help
-          Selecting this option will add support for the integrated serial
-          port hardware found on MIPS RM9122 and similar processors.
-          If unsure, say N.
-
 config SERIAL_8250_FSL
         bool
         depends on SERIAL_8250_CONSOLE && PPC_UDBG_16550
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index a116daa13113..ec5df74c4506 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -136,7 +136,6 @@ struct uart_port {
 #define UPIO_MEM32              (3)
 #define UPIO_AU                 (4)                     /* Au1x00 type IO */
 #define UPIO_TSI                (5)                     /* Tsi108/109 type IO */
-#define UPIO_RM9000             (6)                     /* RM9000 type IO */
 
         unsigned int            read_status_mask;       /* driver specific */
         unsigned int            ignore_status_mask;     /* driver specific */