Loading drivers/serial/amba-pl011.c +22 −23 Original line number Diff line number Diff line Loading @@ -49,7 +49,6 @@ #include <linux/serial.h> #include <asm/io.h> #include <asm/irq.h> #include <asm/sizes.h> #include <asm/hardware/amba.h> #include <asm/hardware/clock.h> Loading @@ -63,7 +62,8 @@ #define AMBA_ISR_PASS_LIMIT 256 #define UART_DUMMY_RSR_RX 256 #define UART_DR_ERROR (UART011_DR_OE|UART011_DR_BE|UART011_DR_PE|UART011_DR_FE) #define UART_DUMMY_DR_RX (1 << 16) /* * We wrap our port structure around the generic uart_port. Loading Loading @@ -116,7 +116,7 @@ pl011_rx_chars(struct uart_amba_port *uap) #endif { struct tty_struct *tty = uap->port.info->tty; unsigned int status, ch, flag, rsr, max_count = 256; unsigned int status, ch, flag, max_count = 256; status = readw(uap->port.membase + UART01x_FR); while ((status & UART01x_FR_RXFE) == 0 && max_count--) { Loading @@ -129,7 +129,7 @@ pl011_rx_chars(struct uart_amba_port *uap) */ } ch = readw(uap->port.membase + UART01x_DR); ch = readw(uap->port.membase + UART01x_DR) | UART_DUMMY_DR_RX; flag = TTY_NORMAL; uap->port.icount.rx++; Loading @@ -137,34 +137,33 @@ pl011_rx_chars(struct uart_amba_port *uap) * Note that the error handling code is * out of the main execution path */ rsr = readw(uap->port.membase + UART01x_RSR) | UART_DUMMY_RSR_RX; if (unlikely(rsr & UART01x_RSR_ANY)) { if (rsr & UART01x_RSR_BE) { rsr &= ~(UART01x_RSR_FE | UART01x_RSR_PE); if (unlikely(ch & UART_DR_ERROR)) { if (ch & UART011_DR_BE) { ch &= ~(UART011_DR_FE | UART011_DR_PE); uap->port.icount.brk++; if (uart_handle_break(&uap->port)) goto ignore_char; } else if (rsr & UART01x_RSR_PE) } else if (ch & UART011_DR_PE) uap->port.icount.parity++; else if (rsr & UART01x_RSR_FE) else if (ch & UART011_DR_FE) uap->port.icount.frame++; if (rsr & UART01x_RSR_OE) if (ch & UART011_DR_OE) uap->port.icount.overrun++; rsr &= uap->port.read_status_mask; ch &= uap->port.read_status_mask; if (rsr & UART01x_RSR_BE) if (ch & UART011_DR_BE) flag = TTY_BREAK; else if (rsr & UART01x_RSR_PE) else if (ch & UART011_DR_PE) flag = TTY_PARITY; else if (rsr & UART01x_RSR_FE) else if (ch & UART011_DR_FE) flag = TTY_FRAME; } if (uart_handle_sysrq_char(&uap->port, ch, regs)) goto ignore_char; uart_insert_char(&uap->port, rsr, UART01x_RSR_OE, ch, flag); uart_insert_char(&uap->port, ch, UART011_DR_OE, ch, flag); ignore_char: status = readw(uap->port.membase + UART01x_FR); Loading Loading @@ -476,33 +475,33 @@ pl011_set_termios(struct uart_port *port, struct termios *termios, */ uart_update_timeout(port, termios->c_cflag, baud); port->read_status_mask = UART01x_RSR_OE; port->read_status_mask = UART011_DR_OE | 255; if (termios->c_iflag & INPCK) port->read_status_mask |= UART01x_RSR_FE | UART01x_RSR_PE; port->read_status_mask |= UART011_DR_FE | UART011_DR_PE; if (termios->c_iflag & (BRKINT | PARMRK)) port->read_status_mask |= UART01x_RSR_BE; port->read_status_mask |= UART011_DR_BE; /* * Characters to ignore */ port->ignore_status_mask = 0; if (termios->c_iflag & IGNPAR) port->ignore_status_mask |= UART01x_RSR_FE | UART01x_RSR_PE; port->ignore_status_mask |= UART011_DR_FE | UART011_DR_PE; if (termios->c_iflag & IGNBRK) { port->ignore_status_mask |= UART01x_RSR_BE; port->ignore_status_mask |= UART011_DR_BE; /* * If we're ignoring parity and break indicators, * ignore overruns too (for real raw support). */ if (termios->c_iflag & IGNPAR) port->ignore_status_mask |= UART01x_RSR_OE; port->ignore_status_mask |= UART011_DR_OE; } /* * Ignore all characters if CREAD is not set. */ if ((termios->c_cflag & CREAD) == 0) port->ignore_status_mask |= UART_DUMMY_RSR_RX; port->ignore_status_mask |= UART_DUMMY_DR_RX; if (UART_ENABLE_MS(port, termios->c_cflag)) pl011_enable_ms(port); Loading drivers/serial/sa1100.c +0 −1 Original line number Diff line number Diff line Loading @@ -161,7 +161,6 @@ static void sa1100_stop_tx(struct uart_port *port) static void sa1100_start_tx(struct uart_port *port) { struct sa1100_port *sport = (struct sa1100_port *)port; unsigned long flags; u32 utcr3; utcr3 = UART_GET_UTCR3(sport); Loading include/asm-arm/hardware/amba_serial.h +5 −0 Original line number Diff line number Diff line Loading @@ -50,6 +50,11 @@ #define UART011_ICR 0x44 /* Interrupt clear register. */ #define UART011_DMACR 0x48 /* DMA control register. */ #define UART011_DR_OE (1 << 11) #define UART011_DR_BE (1 << 10) #define UART011_DR_PE (1 << 9) #define UART011_DR_FE (1 << 8) #define UART01x_RSR_OE 0x08 #define UART01x_RSR_BE 0x04 #define UART01x_RSR_PE 0x02 Loading Loading
drivers/serial/amba-pl011.c +22 −23 Original line number Diff line number Diff line Loading @@ -49,7 +49,6 @@ #include <linux/serial.h> #include <asm/io.h> #include <asm/irq.h> #include <asm/sizes.h> #include <asm/hardware/amba.h> #include <asm/hardware/clock.h> Loading @@ -63,7 +62,8 @@ #define AMBA_ISR_PASS_LIMIT 256 #define UART_DUMMY_RSR_RX 256 #define UART_DR_ERROR (UART011_DR_OE|UART011_DR_BE|UART011_DR_PE|UART011_DR_FE) #define UART_DUMMY_DR_RX (1 << 16) /* * We wrap our port structure around the generic uart_port. Loading Loading @@ -116,7 +116,7 @@ pl011_rx_chars(struct uart_amba_port *uap) #endif { struct tty_struct *tty = uap->port.info->tty; unsigned int status, ch, flag, rsr, max_count = 256; unsigned int status, ch, flag, max_count = 256; status = readw(uap->port.membase + UART01x_FR); while ((status & UART01x_FR_RXFE) == 0 && max_count--) { Loading @@ -129,7 +129,7 @@ pl011_rx_chars(struct uart_amba_port *uap) */ } ch = readw(uap->port.membase + UART01x_DR); ch = readw(uap->port.membase + UART01x_DR) | UART_DUMMY_DR_RX; flag = TTY_NORMAL; uap->port.icount.rx++; Loading @@ -137,34 +137,33 @@ pl011_rx_chars(struct uart_amba_port *uap) * Note that the error handling code is * out of the main execution path */ rsr = readw(uap->port.membase + UART01x_RSR) | UART_DUMMY_RSR_RX; if (unlikely(rsr & UART01x_RSR_ANY)) { if (rsr & UART01x_RSR_BE) { rsr &= ~(UART01x_RSR_FE | UART01x_RSR_PE); if (unlikely(ch & UART_DR_ERROR)) { if (ch & UART011_DR_BE) { ch &= ~(UART011_DR_FE | UART011_DR_PE); uap->port.icount.brk++; if (uart_handle_break(&uap->port)) goto ignore_char; } else if (rsr & UART01x_RSR_PE) } else if (ch & UART011_DR_PE) uap->port.icount.parity++; else if (rsr & UART01x_RSR_FE) else if (ch & UART011_DR_FE) uap->port.icount.frame++; if (rsr & UART01x_RSR_OE) if (ch & UART011_DR_OE) uap->port.icount.overrun++; rsr &= uap->port.read_status_mask; ch &= uap->port.read_status_mask; if (rsr & UART01x_RSR_BE) if (ch & UART011_DR_BE) flag = TTY_BREAK; else if (rsr & UART01x_RSR_PE) else if (ch & UART011_DR_PE) flag = TTY_PARITY; else if (rsr & UART01x_RSR_FE) else if (ch & UART011_DR_FE) flag = TTY_FRAME; } if (uart_handle_sysrq_char(&uap->port, ch, regs)) goto ignore_char; uart_insert_char(&uap->port, rsr, UART01x_RSR_OE, ch, flag); uart_insert_char(&uap->port, ch, UART011_DR_OE, ch, flag); ignore_char: status = readw(uap->port.membase + UART01x_FR); Loading Loading @@ -476,33 +475,33 @@ pl011_set_termios(struct uart_port *port, struct termios *termios, */ uart_update_timeout(port, termios->c_cflag, baud); port->read_status_mask = UART01x_RSR_OE; port->read_status_mask = UART011_DR_OE | 255; if (termios->c_iflag & INPCK) port->read_status_mask |= UART01x_RSR_FE | UART01x_RSR_PE; port->read_status_mask |= UART011_DR_FE | UART011_DR_PE; if (termios->c_iflag & (BRKINT | PARMRK)) port->read_status_mask |= UART01x_RSR_BE; port->read_status_mask |= UART011_DR_BE; /* * Characters to ignore */ port->ignore_status_mask = 0; if (termios->c_iflag & IGNPAR) port->ignore_status_mask |= UART01x_RSR_FE | UART01x_RSR_PE; port->ignore_status_mask |= UART011_DR_FE | UART011_DR_PE; if (termios->c_iflag & IGNBRK) { port->ignore_status_mask |= UART01x_RSR_BE; port->ignore_status_mask |= UART011_DR_BE; /* * If we're ignoring parity and break indicators, * ignore overruns too (for real raw support). */ if (termios->c_iflag & IGNPAR) port->ignore_status_mask |= UART01x_RSR_OE; port->ignore_status_mask |= UART011_DR_OE; } /* * Ignore all characters if CREAD is not set. */ if ((termios->c_cflag & CREAD) == 0) port->ignore_status_mask |= UART_DUMMY_RSR_RX; port->ignore_status_mask |= UART_DUMMY_DR_RX; if (UART_ENABLE_MS(port, termios->c_cflag)) pl011_enable_ms(port); Loading
drivers/serial/sa1100.c +0 −1 Original line number Diff line number Diff line Loading @@ -161,7 +161,6 @@ static void sa1100_stop_tx(struct uart_port *port) static void sa1100_start_tx(struct uart_port *port) { struct sa1100_port *sport = (struct sa1100_port *)port; unsigned long flags; u32 utcr3; utcr3 = UART_GET_UTCR3(sport); Loading
include/asm-arm/hardware/amba_serial.h +5 −0 Original line number Diff line number Diff line Loading @@ -50,6 +50,11 @@ #define UART011_ICR 0x44 /* Interrupt clear register. */ #define UART011_DMACR 0x48 /* DMA control register. */ #define UART011_DR_OE (1 << 11) #define UART011_DR_BE (1 << 10) #define UART011_DR_PE (1 << 9) #define UART011_DR_FE (1 << 8) #define UART01x_RSR_OE 0x08 #define UART01x_RSR_BE 0x04 #define UART01x_RSR_PE 0x02 Loading