[patch] synclinkmp.c fix async internal loopback

[Paul Fulghum]

[patch] synclinkmp.c fix async internal loopback

From: Paul Fulghum <paulkf@xxxxxxxxxxxxx>

Fix async internal loopback by not using
enable_loopback function which reprograms
clocking and should only be used for hdlc mode.

Signed-off-by: Paul Fulghum <paulkf@xxxxxxxxxxxxx>

--- linux-2.6.13/drivers/char/synclinkmp.c	2005-08-28 18:41:01.000000000 -0500
+++ linux-2.6.13-mg/drivers/char/synclinkmp.c	2005-09-07 12:28:21.000000000 -0500
@@ -4489,11 +4489,13 @@ void async_mode(SLMP_INFO *info)
 	/* MD2, Mode Register 2
 	 *
 	 * 07..02  Reserved, must be 0
-	 * 01..00  CNCT<1..0> Channel connection, 0=normal
+	 * 01..00  CNCT<1..0> Channel connection, 00=normal 11=local loopback
 	 *
 	 * 0000 0000
 	 */
 	RegValue = 0x00;
+	if (info->params.loopback)
+		RegValue |= (BIT1 + BIT0);
 	write_reg(info, MD2, RegValue);
 
 	/* RXS, Receive clock source
@@ -4574,9 +4576,6 @@ void async_mode(SLMP_INFO *info)
 	write_reg(info, IE2, info->ie2_value);
 
 	set_rate( info, info->params.data_rate * 16 );
-
-	if (info->params.loopback)
-		enable_loopback(info,1);
 }
 
 /* Program the SCA for HDLC communications.


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