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| author | Mika Westerberg <mika.westerberg@linux.intel.com> | 2020-06-01 12:47:07 +0300 |
|---|---|---|
| committer | Mika Westerberg <mika.westerberg@linux.intel.com> | 2020-06-22 19:58:06 +0300 |
| commit | 126764236e3557853c4208a70a08f5f69da8d897 (patch) | |
| tree | 9a31338a22bab48bbe43ec53f9590b2a3c127aaf /drivers/thunderbolt/switch.c | |
| parent | 177aa362eb92ab8bd350a0642b66252db24b6140 (diff) | |
| download | lwn-126764236e3557853c4208a70a08f5f69da8d897.tar.gz lwn-126764236e3557853c4208a70a08f5f69da8d897.zip | |
thunderbolt: NHI can use HopIDs 1-7
NHI (The host interface adapter) is allowed to use HopIDs 1-7 as well so
relax the restriction in tb_port_alloc_hopid() to support this.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Diffstat (limited to 'drivers/thunderbolt/switch.c')
| -rw-r--r-- | drivers/thunderbolt/switch.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c index d7d60cd9226f..95b75a712ade 100644 --- a/drivers/thunderbolt/switch.c +++ b/drivers/thunderbolt/switch.c @@ -789,8 +789,11 @@ static int tb_port_alloc_hopid(struct tb_port *port, bool in, int min_hopid, ida = &port->out_hopids; } - /* HopIDs 0-7 are reserved */ - if (min_hopid < TB_PATH_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) min_hopid = TB_PATH_MIN_HOPID; if (max_hopid < 0 || max_hopid > port_max_hopid) |