Modify RIO enumeration to apply RX/TX enable operations only to active
switch ports. This will leave inactive ports in condition consistent with
their state.
This patch is applicable to kernel versions starting from v2.6.35.
Signed-off-by: Alexandre Bounine <alexandre.boun...@idt.com>
Cc: Matt Porter <mpor...@kernel.crashing.org>
---
drivers/rapidio/rio-scan.c | 9 +++++----
1 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/rapidio/rio-scan.c b/drivers/rapidio/rio-scan.c
index 2bebd79..02e686b 100644
--- a/drivers/rapidio/rio-scan.c
+++ b/drivers/rapidio/rio-scan.c
@@ -839,12 +839,10 @@ static int __devinit rio_enum_peer(struct rio_net *net,
struct rio_mport *port,
for (port_num = 0;
port_num < RIO_GET_TOTAL_PORTS(rdev->swpinfo);
port_num++) {
- /*Enable Input Output Port (transmitter reviever)*/
- rio_enable_rx_tx_port(port, 0,
+ if (sw_inport == port_num) {
+ rio_enable_rx_tx_port(port, 0,
RIO_ANY_DESTID(port->sys_size),
hopcount, port_num);
-
- if (sw_inport == port_num) {
rdev->rswitch->port_ok |= (1 << port_num);
continue;
}
@@ -857,6 +855,9 @@ static int __devinit rio_enum_peer(struct rio_net *net,
struct rio_mport *port,
pr_debug(
"RIO: scanning device on port %d\n",
port_num);
+ rio_enable_rx_tx_port(port, 0,
+ RIO_ANY_DESTID(port->sys_size),
+ hopcount, port_num);
rdev->rswitch->port_ok |= (1 << port_num);
rio_route_add_entry(rdev, RIO_GLOBAL_TABLE,
RIO_ANY_DESTID(port->sys_size),
--
1.7.8.4
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