From: Mika Westerberg Date: Sat, 25 Jul 2020 07:32:46 +0000 (+0300) Subject: thunderbolt: Introduce tb_port_is_nhi() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=a3cfebdc1b3ab379646f61f095102f7d2b8f6f31;p=linux.git 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 Reviewed-by: Greg Kroah-Hartman --- diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c index d3c54020a5be0..9c00c2810d030 100644 --- a/drivers/thunderbolt/switch.c +++ b/drivers/thunderbolt/switch.c @@ -789,7 +789,7 @@ static int tb_port_alloc_hopid(struct tb_port *port, bool in, int min_hopid, * NHI can use HopIDs 1-max for other adapters HopIDs 0-7 are * reserved. */ - if (port->config.type != TB_TYPE_NHI && min_hopid < TB_PATH_MIN_HOPID) + if (!tb_port_is_nhi(port) && min_hopid < TB_PATH_MIN_HOPID) min_hopid = TB_PATH_MIN_HOPID; if (max_hopid < 0 || max_hopid > port_max_hopid) diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h index a1d5de53a3494..6aee18b4f53d3 100644 --- a/drivers/thunderbolt/tb.h +++ b/drivers/thunderbolt/tb.h @@ -464,6 +464,11 @@ static inline bool tb_port_is_null(const struct tb_port *port) return port && port->port && port->config.type == TB_TYPE_PORT; } +static inline bool tb_port_is_nhi(const struct tb_port *port) +{ + return port && port->config.type == TB_TYPE_NHI; +} + static inline bool tb_port_is_pcie_down(const struct tb_port *port) { return port && port->config.type == TB_TYPE_PCIE_DOWN;