[at91] general cleanup

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22352 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 0 insertions, 161 deletions

diff --git a/target/linux/at91/patches-2.6.25/008-fdl-serial.patch b/target/linux/at91/patches-2.6.25/008-fdl-serial.patch
deleted file mode 100644
index cf11ac0da5..0000000000
--- a/target/linux/at91/patches-2.6.25/008-fdl-serial.patch
+++ /dev/null
@@ -1,161 +0,0 @@
---- a/drivers/serial/atmel_serial.c
-+++ b/drivers/serial/atmel_serial.c
-@@ -214,6 +214,34 @@ static void atmel_set_mctrl(struct uart_
- 				at91_set_gpio_value(AT91_PIN_PA21, 0);
- 			else
- 				at91_set_gpio_value(AT91_PIN_PA21, 1);
-+
-+			/*
-+ 			 * FDL VersaLink adds GPIOS to provide full modem 
-+			 * control on USART 0 - Drive DTR and RI pins manually
-+ 			 */
-+			if (mctrl & TIOCM_DTR)
-+				at91_set_gpio_value(AT91_PIN_PB6, 0);
-+			else
-+				at91_set_gpio_value(AT91_PIN_PB6, 1);
-+			if (mctrl & TIOCM_RI)
-+				at91_set_gpio_value(AT91_PIN_PB7, 0);
-+			else
-+				at91_set_gpio_value(AT91_PIN_PB7, 1);
-+		}
-+
-+		/*
-+		 * FDL VersaLink adds GPIOS to provide full modem control on
-+		 * USART 3 - Drive DTR and RI pins manually
-+		 */
-+		if (port->mapbase == AT91RM9200_BASE_US3) {
-+			if (mctrl & TIOCM_DTR)
-+				at91_set_gpio_value(AT91_PIN_PB29, 0);
-+			else
-+				at91_set_gpio_value(AT91_PIN_PB29, 1);
-+			if (mctrl & TIOCM_RI)
-+				at91_set_gpio_value(AT91_PIN_PB2, 0);
-+			else
-+				at91_set_gpio_value(AT91_PIN_PB2, 1);
- 		}
- 	}
- #endif
-@@ -251,8 +279,10 @@ static u_int atmel_get_mctrl(struct uart
- 	/*
- 	 * The control signals are active low.
- 	 */
--	if (!(status & ATMEL_US_DCD))
--		ret |= TIOCM_CD;
-+
-+	if (!(port->mapbase == AT91RM9200_BASE_US0 || port->mapbase == AT91RM9200_BASE_US3))
-+		if (!(status & ATMEL_US_DCD))
-+			ret |= TIOCM_CD;
- 	if (!(status & ATMEL_US_CTS))
- 		ret |= TIOCM_CTS;
- 	if (!(status & ATMEL_US_DSR))
-@@ -260,6 +290,16 @@ static u_int atmel_get_mctrl(struct uart
- 	if (!(status & ATMEL_US_RI))
- 		ret |= TIOCM_RI;
- 
-+	/*
-+ 	 * Read the GPIO's for the FDL VersaLink special case
-+	 */
-+	if (port->mapbase == AT91RM9200_BASE_US0)
-+		if (!(at91_get_gpio_value(AT91_PIN_PA19)))
-+			ret |= TIOCM_CD;
-+	if (port->mapbase == AT91RM9200_BASE_US3)
-+		if (!(at91_get_gpio_value(AT91_PIN_PA24)))
-+			ret |= TIOCM_CD;
-+
- 	return ret;
- }
- 
-@@ -453,6 +493,34 @@ static void atmel_tx_chars(struct uart_p
- }
- 
- /*
-+ * USART0 DCD Interrupt handler
-+ */
-+
-+static irqreturn_t atmel_u0_DCD_interrupt(int irq, void *dev_id)
-+{
-+	struct uart_port *port = dev_id;
-+	int status = at91_get_gpio_value(irq);
-+
-+	uart_handle_dcd_change(port, !(status));
-+
-+	return IRQ_HANDLED;
-+}
-+
-+/*
-+ * USART3 DCD Interrupt handler
-+ */
-+
-+static irqreturn_t atmel_u3_DCD_interrupt(int irq, void *dev_id)
-+{
-+	struct uart_port *port = dev_id;
-+	int status = at91_get_gpio_value(irq);
-+
-+	uart_handle_dcd_change(port, !(status));
-+
-+	return IRQ_HANDLED;
-+}
-+
-+/*
-  * receive interrupt handler.
-  */
- static void
-@@ -815,6 +883,23 @@ static int atmel_startup(struct uart_por
- 		return retval;
- 	}
- 
-+        if (port->mapbase == AT91RM9200_BASE_US0) {
-+                retval = request_irq(AT91_PIN_PA19, atmel_u0_DCD_interrupt, 0, "atmel_serial", port);
-+                if (retval) {
-+                        printk("atmel_serial: atmel_startup - Can't get u0DCD irq\n");
-+                        free_irq(port->irq, port);
-+                        return retval;
-+                }
-+        }
-+        if (port->mapbase == AT91RM9200_BASE_US3) {
-+                retval = request_irq(AT91_PIN_PA24, atmel_u3_DCD_interrupt, 0, "atmel_serial", port);
-+                if (retval) {
-+                        printk("atmel_serial: atmel_startup - Can't get u3DCD irq\n");
-+                        free_irq(port->irq, port);
-+                        return retval;
-+                }
-+        }
-+
- 	/*
- 	 * Initialize DMA (if necessary)
- 	 */
-@@ -834,6 +919,10 @@ static int atmel_startup(struct uart_por
- 					kfree(atmel_port->pdc_rx[0].buf);
- 				}
- 				free_irq(port->irq, port);
-+				if (port->mapbase == AT91RM9200_BASE_US0)
-+					free_irq(AT91_PIN_PA19, port);
-+				if (port->mapbase == AT91RM9200_BASE_US3)
-+					free_irq(AT91_PIN_PA24, port);
- 				return -ENOMEM;
- 			}
- 			pdc->dma_addr = dma_map_single(port->dev,
-@@ -873,7 +962,11 @@ static int atmel_startup(struct uart_por
- 		retval = atmel_open_hook(port);
- 		if (retval) {
- 			free_irq(port->irq, port);
--			return retval;
-+			if (port->mapbase == AT91RM9200_BASE_US0)
-+				free_irq(AT91_PIN_PA19, port);
-+			if (port->mapbase == AT91RM9200_BASE_US3)
-+				free_irq(AT91_PIN_PA24, port);
-+ 			return retval;
- 		}
- 	}
- 
-@@ -947,6 +1040,10 @@ static void atmel_shutdown(struct uart_p
- 	 * Free the interrupt
- 	 */
- 	free_irq(port->irq, port);
-+	if (port->mapbase == AT91RM9200_BASE_US0)
-+		free_irq(AT91_PIN_PA19, port);
-+	if (port->mapbase == AT91RM9200_BASE_US3)
-+		free_irq(AT91_PIN_PA24, port);
- 
- 	/*
- 	 * If there is a specific "close" function (to unregister