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authorPaul Fulghum <paulkf@microgate.com>2005-09-09 13:02:14 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-09 13:57:34 -0700
commit7c1fff58cfaaf1c4b6a31a569e18cb7d2d8db0a6 (patch)
tree6bfa317c409fda8007a198e01312580f39ae4ae4 /drivers/char/synclink.c
parent9661239f7f698ba3a79db5e8ab5bb2f4090663d9 (diff)
[PATCH] synclink.c: add loopback to async mode
Add internal loopback support for asynchronous mode operation. Signed-off-by: Paul Fulghum <paulkf@microgate.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/char/synclink.c')
-rw-r--r--drivers/char/synclink.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c
index 26b421b74bb6..ea2d54be4843 100644
--- a/drivers/char/synclink.c
+++ b/drivers/char/synclink.c
@@ -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()