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author | Mika Westerberg <mika.westerberg@linux.intel.com> | 2020-07-25 10:32:46 +0300 |
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committer | Mika Westerberg <mika.westerberg@linux.intel.com> | 2020-09-03 12:21:08 +0300 |
commit | a3cfebdc1b3ab379646f61f095102f7d2b8f6f31 (patch) | |
tree | d04b92aa29522c8750c87645f4de4f0545cad65b /drivers/thunderbolt | |
parent | 6de057ef915f167dc6518910de3675ab061d2a50 (diff) | |
download | linux-a3cfebdc1b3ab379646f61f095102f7d2b8f6f31.tar.gz linux-a3cfebdc1b3ab379646f61f095102f7d2b8f6f31.tar.bz2 linux-a3cfebdc1b3ab379646f61f095102f7d2b8f6f31.zip |
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>
Diffstat (limited to 'drivers/thunderbolt')
-rw-r--r-- | drivers/thunderbolt/switch.c | 2 | ||||
-rw-r--r-- | drivers/thunderbolt/tb.h | 5 |
2 files changed, 6 insertions, 1 deletions
diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c index d3c54020a5be..9c00c2810d03 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 a1d5de53a349..6aee18b4f53d 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; |