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| author | Paul Fulghum <paulkf@microgate.com> | 2005-09-09 13:02:14 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-09 13:57:34 -0700 |
| commit | 7c1fff58cfaaf1c4b6a31a569e18cb7d2d8db0a6 (patch) | |
| tree | 6bfa317c409fda8007a198e01312580f39ae4ae4 /drivers/char/synclink.c | |
| parent | 9661239f7f698ba3a79db5e8ab5bb2f4090663d9 (diff) | |
| download | lwn-7c1fff58cfaaf1c4b6a31a569e18cb7d2d8db0a6.tar.gz lwn-7c1fff58cfaaf1c4b6a31a569e18cb7d2d8db0a6.zip | |
[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.c | 5 |
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() |