4 files changed, 4 insertions, 4 deletions
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 24110f6f61e..131c95f5476 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -924,7 +924,7 @@ static int broken_efr(struct uart_8250_port *up)
 	/*
 	 * Exar ST16C2550 "A2" devices incorrectly detect as
 	 * having an EFR, and report an ID of 0x0201.  See
-	 * http://www.exar.com/info.php?pdf=dan180_oct2004.pdf
+	 * http://linux.derkeiler.com/Mailing-Lists/Kernel/2004-11/4812.html 
 	 */
 	if (autoconfig_read_divisor_id(up) == 0x0201 && size_fifo(up) == 16)
 		return 1;
diff --git a/drivers/serial/bfin_sport_uart.c b/drivers/serial/bfin_sport_uart.c
index e57fb3d228e..81987a7b9aa 100644
--- a/drivers/serial/bfin_sport_uart.c
+++ b/drivers/serial/bfin_sport_uart.c
@@ -10,7 +10,7 @@
 
 /*
  * This driver and the hardware supported are in term of EE-191 of ADI.
- * http://www.analog.com/UploadedFiles/Application_Notes/399447663EE191.pdf
+ * http://www.analog.com/static/imported-files/application_notes/EE191.pdf 
  * This application note describe how to implement a UART on a Sharc DSP,
  * but this driver is implemented on Blackfin Processor.
  * Transmit Frame Sync is not used by this driver to transfer data out.
diff --git a/drivers/serial/bfin_sport_uart.h b/drivers/serial/bfin_sport_uart.h
index 9ce253e381d..6d06ce1d567 100644
--- a/drivers/serial/bfin_sport_uart.h
+++ b/drivers/serial/bfin_sport_uart.h
@@ -10,7 +10,7 @@
 
 /*
  * This driver and the hardware supported are in term of EE-191 of ADI.
- * http://www.analog.com/UploadedFiles/Application_Notes/399447663EE191.pdf
+ * http://www.analog.com/static/imported-files/application_notes/EE191.pdf 
  * This application note describe how to implement a UART on a Sharc DSP,
  * but this driver is implemented on Blackfin Processor.
  * Transmit Frame Sync is not used by this driver to transfer data out.
diff --git a/drivers/serial/uartlite.c b/drivers/serial/uartlite.c
index caf085d3a76..c761b222312 100644
--- a/drivers/serial/uartlite.c
+++ b/drivers/serial/uartlite.c
@@ -44,7 +44,7 @@ MODULE_DEVICE_TABLE(of, ulite_of_match);
  * Register definitions
  *
  * For register details see datasheet:
- * http://www.xilinx.com/bvdocs/ipcenter/data_sheet/opb_uartlite.pdf
+ * http://www.xilinx.com/support/documentation/ip_documentation/opb_uartlite.pdf 
  */
 
 #define ULITE_RX		0x00