The `is_thunderbolt` attribute is currently a dumping ground for a variety of things.
Instead use the driver core removable attribute to indicate the detail a device is attached to a thunderbolt or USB4 chain.
Signed-off-by: Mario Limonciello mario.limonciello@amd.com --- drivers/pci/probe.c | 20 +++++++------------- drivers/platform/x86/apple-gmux.c | 2 +- include/linux/pci.h | 5 ++--- 3 files changed, 10 insertions(+), 17 deletions(-)
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 17a969942d37..e41656cdd8f0 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -1577,16 +1577,6 @@ void set_pcie_hotplug_bridge(struct pci_dev *pdev) pdev->is_hotplug_bridge = 1; }
-static void set_pcie_thunderbolt(struct pci_dev *dev) -{ - u16 vsec; - - /* Is the device part of a Thunderbolt controller? */ - vsec = pci_find_vsec_capability(dev, PCI_VENDOR_ID_INTEL, PCI_VSEC_ID_INTEL_TBT); - if (vsec) - dev->is_thunderbolt = 1; -} - static void set_pcie_untrusted(struct pci_dev *dev) { struct pci_dev *parent; @@ -1603,6 +1593,10 @@ static void set_pcie_untrusted(struct pci_dev *dev) static void pci_set_removable(struct pci_dev *dev) { struct pci_dev *parent = pci_upstream_bridge(dev); + u16 vsec; + + /* Is the device a Thunderbolt controller? */ + vsec = pci_find_vsec_capability(dev, PCI_VENDOR_ID_INTEL, PCI_VSEC_ID_INTEL_TBT);
/* * We (only) consider everything downstream from an external_facing @@ -1615,8 +1609,9 @@ static void pci_set_removable(struct pci_dev *dev) * accessible to user / may not be removed by end user, and thus not * exposed as "removable" to userspace. */ - if (parent && - (parent->external_facing || dev_is_removable(&parent->dev))) + if (vsec || + (parent && + (parent->external_facing || dev_is_removable(&parent->dev)))) dev_set_removable(&dev->dev, DEVICE_REMOVABLE); }
@@ -1860,7 +1855,6 @@ int pci_setup_device(struct pci_dev *dev) dev->cfg_size = pci_cfg_space_size(dev);
/* Need to have dev->cfg_size ready */ - set_pcie_thunderbolt(dev);
set_pcie_untrusted(dev);
diff --git a/drivers/platform/x86/apple-gmux.c b/drivers/platform/x86/apple-gmux.c index 57553f9b4d1d..04232fbc7d56 100644 --- a/drivers/platform/x86/apple-gmux.c +++ b/drivers/platform/x86/apple-gmux.c @@ -596,7 +596,7 @@ static int gmux_resume(struct device *dev)
static int is_thunderbolt(struct device *dev, void *data) { - return to_pci_dev(dev)->is_thunderbolt; + return pci_is_thunderbolt_attached(to_pci_dev(dev)); }
static int gmux_probe(struct pnp_dev *pnp, const struct pnp_device_id *id) diff --git a/include/linux/pci.h b/include/linux/pci.h index 1e5b769e42fc..d9719eb14654 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -442,7 +442,6 @@ struct pci_dev { unsigned int is_virtfn:1; unsigned int is_hotplug_bridge:1; unsigned int shpc_managed:1; /* SHPC owned by shpchp */ - unsigned int is_thunderbolt:1; /* Thunderbolt controller */ unsigned int no_cmd_complete:1; /* Lies about command completed events */
/* @@ -2447,11 +2446,11 @@ static inline bool pci_is_thunderbolt_attached(struct pci_dev *pdev) { struct pci_dev *parent = pdev;
- if (pdev->is_thunderbolt) + if (dev_is_removable(&pdev->dev)) return true;
while ((parent = pci_upstream_bridge(parent))) - if (parent->is_thunderbolt) + if (dev_is_removable(&parent->dev)) return true;
return false;