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thunderbolt: Introduce tb_switch_is_tiger_lake() 

This is needed to differentiate Tiger Lake from other controllers.

Signed-off-by: Gil Fine <gil.fine@intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Gil Fine 2020-07-25 10:44:16 +03:00 committed by Mika Westerberg
parent 8c3b15a600
commit 0637e3df17
1 changed files with 12 additions and 0 deletions
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12
drivers/thunderbolt/tb.h
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@ -770,6 +770,18 @@ static inline bool tb_switch_is_ice_lake(const struct tb_switch *sw)
return false;
}
static inline bool tb_switch_is_tiger_lake(const struct tb_switch *sw)
{
if (sw->config.vendor_id == PCI_VENDOR_ID_INTEL) {
switch (sw->config.device_id) {
case PCI_DEVICE_ID_INTEL_TGL_NHI0:
case PCI_DEVICE_ID_INTEL_TGL_NHI1:
return true;
}
}
return false;
}
/**
* tb_switch_is_usb4() - Is the switch USB4 compliant
* @sw: Switch to check