diff mbox series

[6/9] thunderbolt: Introduce tb_switch_is_ice_lake()

Message ID 20200826110736.55186-7-mika.westerberg@linux.intel.com (mailing list archive)
State New, archived
Headers show
Series thunderbolt: Add debugfs support | expand

Commit Message

Mika Westerberg Aug. 26, 2020, 11:07 a.m. UTC
This is needed to differentiate Ice Lake from other controllers.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
 drivers/thunderbolt/tb.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)
diff mbox series

Patch

diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h
index 664a861e8e9f..1d5ee4c0de1c 100644
--- a/drivers/thunderbolt/tb.h
+++ b/drivers/thunderbolt/tb.h
@@ -758,6 +758,18 @@  static inline bool tb_switch_is_titan_ridge(const struct tb_switch *sw)
 	return false;
 }
 
+static inline bool tb_switch_is_ice_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_ICL_NHI0:
+		case PCI_DEVICE_ID_INTEL_ICL_NHI1:
+			return true;
+		}
+	}
+	return false;
+}
+
 /**
  * tb_switch_is_usb4() - Is the switch USB4 compliant
  * @sw: Switch to check