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@@ -1411,11 +1411,12 @@ e100_enable_rs485(struct tty_struct *tty, struct serial_rs485 *r)
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CONFIG_ETRAX_RS485_LTC1387_RXEN_PORT_G_BIT, 1);
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CONFIG_ETRAX_RS485_LTC1387_RXEN_PORT_G_BIT, 1);
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#endif
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#endif
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- info->rs485.flags = r->flags;
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- if (r->delay_rts_before_send >= 1000)
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+ info->rs485 = *r;
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+
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+ /* Maximum delay before RTS equal to 1000 */
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+ if (info->rs485.delay_rts_before_send >= 1000)
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info->rs485.delay_rts_before_send = 1000;
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info->rs485.delay_rts_before_send = 1000;
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- else
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- info->rs485.delay_rts_before_send = r->delay_rts_before_send;
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+
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/* printk("rts: on send = %i, after = %i, enabled = %i",
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/* printk("rts: on send = %i, after = %i, enabled = %i",
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info->rs485.rts_on_send,
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info->rs485.rts_on_send,
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info->rs485.rts_after_sent,
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info->rs485.rts_after_sent,
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@@ -3234,9 +3235,9 @@ rs_write(struct tty_struct *tty,
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e100_disable_rx(info);
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e100_disable_rx(info);
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e100_enable_rx_irq(info);
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e100_enable_rx_irq(info);
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#endif
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#endif
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-
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- if (info->rs485.delay_rts_before_send > 0)
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- msleep(info->rs485.delay_rts_before_send);
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+ if ((info->rs485.flags & SER_RS485_RTS_BEFORE_SEND) &&
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+ (info->rs485.delay_rts_before_send > 0))
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+ msleep(info->rs485.delay_rts_before_send);
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}
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}
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#endif /* CONFIG_ETRAX_RS485 */
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#endif /* CONFIG_ETRAX_RS485 */
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@@ -3694,6 +3695,11 @@ rs_ioctl(struct tty_struct *tty, struct file * file,
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rs485data.delay_rts_before_send = rs485ctrl.delay_rts_before_send;
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rs485data.delay_rts_before_send = rs485ctrl.delay_rts_before_send;
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rs485data.flags = 0;
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rs485data.flags = 0;
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+ if (rs485data.delay_rts_before_send != 0)
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+ rs485data.flags |= SER_RS485_RTS_BEFORE_SEND;
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+ else
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+ rs485data.flags &= ~(SER_RS485_RTS_BEFORE_SEND);
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+
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if (rs485ctrl.enabled)
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if (rs485ctrl.enabled)
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rs485data.flags |= SER_RS485_ENABLED;
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rs485data.flags |= SER_RS485_ENABLED;
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else
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else
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@@ -3731,7 +3737,7 @@ rs_ioctl(struct tty_struct *tty, struct file * file,
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/* This is the ioctl to get RS485 data from user-space */
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/* This is the ioctl to get RS485 data from user-space */
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if (copy_to_user((struct serial_rs485 *) arg,
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if (copy_to_user((struct serial_rs485 *) arg,
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rs485data,
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rs485data,
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- sizeof(serial_rs485)))
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+ sizeof(struct serial_rs485)))
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return -EFAULT;
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return -EFAULT;
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break;
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break;
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}
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}
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@@ -4527,6 +4533,7 @@ static int __init rs_init(void)
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/* Set sane defaults */
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/* Set sane defaults */
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info->rs485.flags &= ~(SER_RS485_RTS_ON_SEND);
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info->rs485.flags &= ~(SER_RS485_RTS_ON_SEND);
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info->rs485.flags |= SER_RS485_RTS_AFTER_SEND;
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info->rs485.flags |= SER_RS485_RTS_AFTER_SEND;
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+ info->rs485.flags &= ~(SER_RS485_RTS_BEFORE_SEND);
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info->rs485.delay_rts_before_send = 0;
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info->rs485.delay_rts_before_send = 0;
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info->rs485.flags &= ~(SER_RS485_ENABLED);
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info->rs485.flags &= ~(SER_RS485_ENABLED);
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#endif
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#endif
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