From: Gil Fine <gil.fine@intel.com>
Date: Sat, 25 Jul 2020 07:44:16 +0000 (+0300)
Subject: thunderbolt: Introduce tb_switch_is_tiger_lake()
X-Git-Tag: v5.15~2673^2~26^2~10
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0637e3df17be8c3b41c1dc9b8d066d9d35044be3;p=platform%2Fkernel%2Flinux-starfive.git

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>
---

diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h
index 1d5ee4c0de1c..3035258b3afa 100644
--- a/drivers/thunderbolt/tb.h
+++ b/drivers/thunderbolt/tb.h
@@ -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