thunderbolt: Introduce tb_port_is_nhi()
This is useful if one needs to check if adapter (port) is the host interface (NHI). Make tb_port_alloc_hopid() take advantage of this. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -789,7 +789,7 @@ static int tb_port_alloc_hopid(struct tb_port *port, bool in, int min_hopid,
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* NHI can use HopIDs 1-max for other adapters HopIDs 0-7 are
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* reserved.
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*/
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if (port->config.type != TB_TYPE_NHI && min_hopid < TB_PATH_MIN_HOPID)
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if (!tb_port_is_nhi(port) && min_hopid < TB_PATH_MIN_HOPID)
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min_hopid = TB_PATH_MIN_HOPID;
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if (max_hopid < 0 || max_hopid > port_max_hopid)
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@ -464,6 +464,11 @@ static inline bool tb_port_is_null(const struct tb_port *port)
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return port && port->port && port->config.type == TB_TYPE_PORT;
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}
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static inline bool tb_port_is_nhi(const struct tb_port *port)
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{
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return port && port->config.type == TB_TYPE_NHI;
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}
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static inline bool tb_port_is_pcie_down(const struct tb_port *port)
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{
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return port && port->config.type == TB_TYPE_PCIE_DOWN;
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