linux-kernel - [PATCH v3 3/7] PCI: Drop pci_is_thunderbolt

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Date:   Tue, 14 Nov 2023 14:07:51 -0600
From:   Mario Limonciello <mario.limonciello@....com>
To:     Karol Herbst <kherbst@...hat.com>, Lyude Paul <lyude@...hat.com>,
        "Alex Deucher" <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        "Mika Westerberg" <mika.westerberg@...ux.intel.com>,
        Lukas Wunner <lukas@...ner.de>
CC:     Danilo Krummrich <dakr@...hat.com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Xinhui Pan <Xinhui.Pan@....com>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
        Pali Rohár <pali@...nel.org>,
        Marek Behún <kabel@...nel.org>,
        "Maciej W . Rozycki" <macro@...am.me.uk>,
        Manivannan Sadhasivam <mani@...nel.org>,
        Mario Limonciello <mario.limonciello@....com>,
        "open list:DRM DRIVER FOR NVIDIA GEFORCE/QUADRO GPUS" 
        <dri-devel@...ts.freedesktop.org>,
        "open list:DRM DRIVER FOR NVIDIA GEFORCE/QUADRO GPUS" 
        <nouveau@...ts.freedesktop.org>,
        "open list" <linux-kernel@...r.kernel.org>,
        "open list:RADEON and AMDGPU DRM DRIVERS" 
        <amd-gfx@...ts.freedesktop.org>,
        "open list:PCI SUBSYSTEM" <linux-pci@...r.kernel.org>,
        "open list:ACPI" <linux-acpi@...r.kernel.org>
Subject: [PATCH v3 3/7] PCI: Drop pci_is_thunderbolt_attached()

All callers have switched to dev_is_removable() for detecting
hotpluggable PCIe devices.

Signed-off-by: Mario Limonciello <mario.limonciello@....com>
---
v2->v3:
 * No changes
---
 include/linux/pci.h | 22 ----------------------
 1 file changed, 22 deletions(-)

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 60ca768bc867..1fbca2bd92e8 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -2645,28 +2645,6 @@ static inline bool pci_ari_enabled(struct pci_bus *bus)
 	return bus->self && bus->self->ari_enabled;
 }
 
-/**
- * pci_is_thunderbolt_attached - whether device is on a Thunderbolt daisy chain
- * @pdev: PCI device to check
- *
- * Walk upwards from @pdev and check for each encountered bridge if it's part
- * of a Thunderbolt controller.  Reaching the host bridge means @pdev is not
- * Thunderbolt-attached.  (But rather soldered to the mainboard usually.)
- */
-static inline bool pci_is_thunderbolt_attached(struct pci_dev *pdev)
-{
-	struct pci_dev *parent = pdev;
-
-	if (pdev->is_thunderbolt)
-		return true;
-
-	while ((parent = pci_upstream_bridge(parent)))
-		if (parent->is_thunderbolt)
-			return true;
-
-	return false;
-}
-
 #if defined(CONFIG_PCIEPORTBUS) || defined(CONFIG_EEH)
 void pci_uevent_ers(struct pci_dev *pdev, enum  pci_ers_result err_type);
 #endif
-- 
2.34.1