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thunderbolt: Fix port linking by checking all adapters

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[ Upstream commit 42716425ad ]

In tb_switch_default_link_ports(), while linking of ports,
only odd-numbered ports (1,3,5..) are considered and even-numbered
ports are not considered.

AMD host router has lane adapters at 2 and 3 and link ports at adapter 2
is not considered due to which lane bonding gets disabled.

Hence added a fix such that all ports are considered during
linking of ports.

Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Signed-off-by: Sanjay R Mehta <sanju.mehta@amd.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Sanjay R Mehta
2021-08-03 07:34:56 -05:00
committed by Greg Kroah-Hartman
parent 0f0f1de02b
commit 491c8be219
1 changed files with 1 additions and 1 deletions
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2
drivers/thunderbolt/switch.c
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@@ -2204,7 +2204,7 @@ static void tb_switch_default_link_ports(struct tb_switch *sw)
{
int i;
for (i = 1; i <= sw->config.max_port_number; i += 2) {
for (i = 1; i <= sw->config.max_port_number; i++) {
struct tb_port *port = &sw->ports[i];
struct tb_port *subordinate;