The patch titled
Subject: rapidio: apply RX/TX enable to active switch ports only
has been added to the -mm tree. Its filename is
rapidio-apply-rx-tx-enable-to-active-switch-ports-only.patch
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------------------------------------------------------
From: Alexandre Bounine <alexandre.bounine@xxxxxxx>
Subject: rapidio: apply RX/TX enable to active switch ports only
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.bounine@xxxxxxx>
Cc: Matt Porter <mporter@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/rapidio/rio-scan.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff -puN drivers/rapidio/rio-scan.c~rapidio-apply-rx-tx-enable-to-active-switch-ports-only drivers/rapidio/rio-scan.c
--- a/drivers/rapidio/rio-scan.c~rapidio-apply-rx-tx-enable-to-active-switch-ports-only
+++ a/drivers/rapidio/rio-scan.c
@@ -839,12 +839,10 @@ static int __devinit rio_enum_peer(struc
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(struc
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),
_
Patches currently in -mm which might be from alexandre.bounine@xxxxxxx are
rapidio-tsi721-modify-mport-name-assignment.patch
rapidio-apply-rx-tx-enable-to-active-switch-ports-only.patch
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