[patch] synclink.c add loopback to async mode

[Paul Fulghum]

[patch] synclink.c add loopback to async mode

From: Paul Fulghum <paulkf@xxxxxxxxxxxxx>

Add internal loopback support for
asynchronous mode operation.

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

--- linux-2.6.13/drivers/char/synclink.c	2005-09-07 11:43:56.000000000 -0500
+++ linux-2.6.13-mg/drivers/char/synclink.c	2005-09-07 11:57:02.000000000 -0500
@@ -6149,6 +6149,11 @@ static void usc_set_async_mode( struct m
 		usc_OutReg(info, PCR, (u16)((usc_InReg(info, PCR) | BIT13) & ~BIT12));
 	}
 
+	if (info->params.loopback) {
+		info->loopback_bits = 0x300;
+		outw(0x0300, info->io_base + CCAR);
+	}
+
 }	/* end of usc_set_async_mode() */
 
 /* usc_loopback_frame()


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