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authorPaul Fulghum <paulkf@microgate.com>2005-09-09 22:02:17 +0200
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-09 22:57:35 +0200
commit6e8dcee3e63f5a2cba4affff4bbb6e228f4b258a (patch)
tree36a9e29e7b7c0690484e540c3bf0622b18ec0bc1 /drivers/char
parent[PATCH] synclinkmp.c: add statistics clear (diff)
downloadlinux-6e8dcee3e63f5a2cba4affff4bbb6e228f4b258a.tar.xz
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[PATCH] synclinkmp.c: fix async internal loopback
Fix async internal loopback by not using enable_loopback function which reprograms clocking and should only be used for hdlc mode. 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')
-rw-r--r--drivers/char/synclinkmp.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/char/synclinkmp.c b/drivers/char/synclinkmp.c
index eb31a3b865df..6fb165cf8a61 100644
--- a/drivers/char/synclinkmp.c
+++ b/drivers/char/synclinkmp.c
@@ -4479,11 +4479,13 @@ void async_mode(SLMP_INFO *info)
/* MD2, Mode Register 2
*
* 07..02 Reserved, must be 0
- * 01..00 CNCT<1..0> Channel connection, 0=normal
+ * 01..00 CNCT<1..0> Channel connection, 00=normal 11=local loopback
*
* 0000 0000
*/
RegValue = 0x00;
+ if (info->params.loopback)
+ RegValue |= (BIT1 + BIT0);
write_reg(info, MD2, RegValue);
/* RXS, Receive clock source
@@ -4564,9 +4566,6 @@ void async_mode(SLMP_INFO *info)
write_reg(info, IE2, info->ie2_value);
set_rate( info, info->params.data_rate * 16 );
-
- if (info->params.loopback)
- enable_loopback(info,1);
}
/* Program the SCA for HDLC communications.