From 6e8dcee3e63f5a2cba4affff4bbb6e228f4b258a Mon Sep 17 00:00:00 2001 From: Paul Fulghum Date: Fri, 9 Sep 2005 13:02:17 -0700 Subject: [PATCH] [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 Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/synclinkmp.c | 7 +++---- 1 file 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. -- 2.20.1