lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[PATCH] synclinkmp.c: fix async internal loopback

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/char/synclinkmp.c
View File

@@ -4479,11 +4479,13 @@ void async_mode(SLMP_INFO *info)
/* MD2, Mode Register 2 /* MD2, Mode Register 2
* *
* 07..02 Reserved, must be 0 * 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 * 0000 0000
*/ */
RegValue = 0x00; RegValue = 0x00;
if (info->params.loopback)
RegValue |= (BIT1 + BIT0);
write_reg(info, MD2, RegValue); write_reg(info, MD2, RegValue);
/* RXS, Receive clock source /* RXS, Receive clock source
@@ -4564,9 +4566,6 @@ void async_mode(SLMP_INFO *info)
write_reg(info, IE2, info->ie2_value); write_reg(info, IE2, info->ie2_value);
set_rate( info, info->params.data_rate * 16 ); set_rate( info, info->params.data_rate * 16 );
if (info->params.loopback)
enable_loopback(info,1);
} }
/* Program the SCA for HDLC communications. /* Program the SCA for HDLC communications.