[patch] synclink.c add loopback to async mode
From: Paul Fulghum <[email protected]>
Add internal loopback support for
asynchronous mode operation.
Signed-off-by: Paul Fulghum <[email protected]>
--- 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()