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Viewing changes to drivers/tty/serial/bcm63xx_uart.c

  • Committer: Bazaar Package Importer
  • Author(s): Paolo Pisati
  • Date: 2011-06-29 15:23:51 UTC
  • mfrom: (26.1.1 natty-proposed)
  • Revision ID: james.westby@ubuntu.com-20110629152351-xs96tm303d95rpbk
Tags: 3.0.0-1200.2
* Rebased against 3.0.0-6.7
* BSP from TI based on 3.0.0

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Lines of Context:
drivers/tty/serial/bcm63xx_uart.c
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                /* get overrun/fifo empty information from ier
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                 * register */
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                iestat = bcm_uart_readl(port, UART_IR_REG);
 
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                if (unlikely(iestat & UART_IR_STAT(UART_IR_RXOVER))) {
 
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                        unsigned int val;
 
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                        /* fifo reset is required to clear
 
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                         * interrupt */
 
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                        val = bcm_uart_readl(port, UART_CTL_REG);
 
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                        val |= UART_CTL_RSTRXFIFO_MASK;
 
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                        bcm_uart_writel(port, val, UART_CTL_REG);
 
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                        port->icount.overrun++;
 
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                        tty_insert_flip_char(tty, 0, TTY_OVERRUN);
 
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                }
 
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                if (!(iestat & UART_IR_STAT(UART_IR_RXNOTEMPTY)))
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                        break;
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                if (uart_handle_sysrq_char(port, c))
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                        continue;
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                if (unlikely(iestat & UART_IR_STAT(UART_IR_RXOVER))) {
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                        port->icount.overrun++;
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                        tty_insert_flip_char(tty, 0, TTY_OVERRUN);
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                }
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                if ((cstat & port->ignore_status_mask) == 0)
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                        tty_insert_flip_char(tty, c, flag);