From: Mika Westerberg <mika.westerberg@linux.intel.com>
Date: Fri, 21 Aug 2020 06:11:50 +0000 (+0300)
Subject: thunderbolt: Introduce tb_switch_is_ice_lake()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=8c3b15a60065369a3895d417d7fabb055209dfd4;p=linux.git

thunderbolt: Introduce tb_switch_is_ice_lake()

This is needed to differentiate Ice Lake from other controllers.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h
index 664a861e8e9f2..1d5ee4c0de1cf 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