thunderbolt: Send uevent after asymmetric/symmetric switch
We should send uevent to userspace whenever the link speed or width
changes but tb_switch_asym_enable() and tb_switch_asym_disable() set the
sw->link_width already so tb_switch_update_link_attributes() never
noticed the change.
Fix this so that we let tb_switch_update_link_attributes() update the
fields accordingly.
Fixes: 81af2952e6
("thunderbolt: Add support for asymmetric link")
Reported-by: Pengfei Xu <pengfei.xu@intel.com>
Tested-by: Pengfei Xu <pengfei.xu@intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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@ -2880,6 +2880,7 @@ static int tb_switch_lane_bonding_disable(struct tb_switch *sw)
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return tb_port_wait_for_link_width(down, TB_LINK_WIDTH_SINGLE, 100);
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}
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/* Note updating sw->link_width done in tb_switch_update_link_attributes() */
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static int tb_switch_asym_enable(struct tb_switch *sw, enum tb_link_width width)
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{
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struct tb_port *up, *down, *port;
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@ -2919,10 +2920,10 @@ static int tb_switch_asym_enable(struct tb_switch *sw, enum tb_link_width width)
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return ret;
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}
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sw->link_width = width;
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return 0;
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}
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/* Note updating sw->link_width done in tb_switch_update_link_attributes() */
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static int tb_switch_asym_disable(struct tb_switch *sw)
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{
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struct tb_port *up, *down;
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@ -2957,7 +2958,6 @@ static int tb_switch_asym_disable(struct tb_switch *sw)
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return ret;
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}
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sw->link_width = TB_LINK_WIDTH_DUAL;
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return 0;
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}
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