Commit 7c1fff58 authored by Paul Fulghum's avatar Paul Fulghum Committed by Linus Torvalds

[PATCH] synclink.c: add loopback to async mode

Add internal loopback support for asynchronous mode operation.
Signed-off-by: default avatarPaul Fulghum <>
Signed-off-by: default avatarAndrew Morton <>
Signed-off-by: default avatarLinus Torvalds <>
parent 9661239f
......@@ -6151,6 +6151,11 @@ static void usc_set_async_mode( struct mgsl_struct *info )
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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