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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>
This commit is contained in:
Paul Fulghum 2005-09-09 13:02:17 -07:00 committed by Linus Torvalds
parent 166692e4a0
commit 6e8dcee3e6
1 changed files with 3 additions and 4 deletions
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7
drivers/char/synclinkmp.c
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@ -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.