diff options
| -rw-r--r-- | drivers/pci/quirks.c | 29 | ||||
| -rw-r--r-- | drivers/thunderbolt/eeprom.c | 5 | ||||
| -rw-r--r-- | drivers/thunderbolt/nhi.c | 11 | ||||
| -rw-r--r-- | drivers/thunderbolt/switch.c | 3 |
4 files changed, 44 insertions, 4 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index b584ddf83555..b1ff270622dd 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -3185,6 +3185,29 @@ static void quirk_no_pm_reset(struct pci_dev *dev) DECLARE_PCI_FIXUP_CLASS_HEADER(PCI_VENDOR_ID_ATI, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA, 8, quirk_no_pm_reset); +/* + * Thunderbolt controllers with broken MSI hotplug signaling: + * Entire 1st generation (Light Ridge, Eagle Ridge, Light Peak) and part + * of the 2nd generation (Cactus Ridge 4C up to revision 1, Port Ridge). + */ +static void quirk_thunderbolt_hotplug_msi(struct pci_dev *pdev) +{ + if (pdev->is_hotplug_bridge && + (pdev->device != PCI_DEVICE_ID_INTEL_CACTUS_RIDGE_4C || + pdev->revision <= 1)) + pdev->no_msi = 1; +} +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_LIGHT_RIDGE, + quirk_thunderbolt_hotplug_msi); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_EAGLE_RIDGE, + quirk_thunderbolt_hotplug_msi); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_LIGHT_PEAK, + quirk_thunderbolt_hotplug_msi); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CACTUS_RIDGE_4C, + quirk_thunderbolt_hotplug_msi); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PORT_RIDGE, + quirk_thunderbolt_hotplug_msi); + #ifdef CONFIG_ACPI /* * Apple: Shutdown Cactus Ridge Thunderbolt controller. @@ -3267,7 +3290,8 @@ static void quirk_apple_wait_for_thunderbolt(struct pci_dev *dev) if (!nhi) goto out; if (nhi->vendor != PCI_VENDOR_ID_INTEL - || (nhi->device != PCI_DEVICE_ID_INTEL_CACTUS_RIDGE_4C && + || (nhi->device != PCI_DEVICE_ID_INTEL_LIGHT_RIDGE && + nhi->device != PCI_DEVICE_ID_INTEL_CACTUS_RIDGE_4C && nhi->device != PCI_DEVICE_ID_INTEL_FALCON_RIDGE_4C_NHI) || nhi->subsystem_vendor != 0x2222 || nhi->subsystem_device != 0x1111) @@ -3279,6 +3303,9 @@ out: pci_dev_put(sibling); } DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_INTEL, + PCI_DEVICE_ID_INTEL_LIGHT_RIDGE, + quirk_apple_wait_for_thunderbolt); +DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CACTUS_RIDGE_4C, quirk_apple_wait_for_thunderbolt); DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_INTEL, diff --git a/drivers/thunderbolt/eeprom.c b/drivers/thunderbolt/eeprom.c index 47e56e861d61..0c052e25c5bc 100644 --- a/drivers/thunderbolt/eeprom.c +++ b/drivers/thunderbolt/eeprom.c @@ -388,6 +388,11 @@ int tb_drom_read(struct tb_switch *sw) sw->ports[4].link_nr = 1; sw->ports[3].dual_link_port = &sw->ports[4]; sw->ports[4].dual_link_port = &sw->ports[3]; + + /* Port 5 is inaccessible on this gen 1 controller */ + if (sw->config.device_id == PCI_DEVICE_ID_INTEL_LIGHT_RIDGE) + sw->ports[5].disabled = true; + return 0; } diff --git a/drivers/thunderbolt/nhi.c b/drivers/thunderbolt/nhi.c index 36be23babb89..9c15344b657a 100644 --- a/drivers/thunderbolt/nhi.c +++ b/drivers/thunderbolt/nhi.c @@ -37,7 +37,8 @@ static int ring_interrupt_index(struct tb_ring *ring) */ static void ring_interrupt_active(struct tb_ring *ring, bool active) { - int reg = REG_RING_INTERRUPT_BASE + ring_interrupt_index(ring) / 32; + int reg = REG_RING_INTERRUPT_BASE + + ring_interrupt_index(ring) / 32 * 4; int bit = ring_interrupt_index(ring) & 31; int mask = 1 << bit; u32 old, new; @@ -564,7 +565,7 @@ static int nhi_probe(struct pci_dev *pdev, const struct pci_device_id *id) /* cannot fail - table is allocated bin pcim_iomap_regions */ nhi->iobase = pcim_iomap_table(pdev)[0]; nhi->hop_count = ioread32(nhi->iobase + REG_HOP_COUNT) & 0x3ff; - if (nhi->hop_count != 12) + if (nhi->hop_count != 12 && nhi->hop_count != 32) dev_warn(&pdev->dev, "unexpected hop count: %d\n", nhi->hop_count); INIT_WORK(&nhi->interrupt_work, nhi_interrupt_work); @@ -638,6 +639,12 @@ static struct pci_device_id nhi_ids[] = { { .class = PCI_CLASS_SYSTEM_OTHER << 8, .class_mask = ~0, .vendor = PCI_VENDOR_ID_INTEL, + .device = PCI_DEVICE_ID_INTEL_LIGHT_RIDGE, + .subvendor = 0x2222, .subdevice = 0x1111, + }, + { + .class = PCI_CLASS_SYSTEM_OTHER << 8, .class_mask = ~0, + .vendor = PCI_VENDOR_ID_INTEL, .device = PCI_DEVICE_ID_INTEL_CACTUS_RIDGE_4C, .subvendor = 0x2222, .subdevice = 0x1111, }, diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c index c6270f0bd5c5..1e116f53d6dd 100644 --- a/drivers/thunderbolt/switch.c +++ b/drivers/thunderbolt/switch.c @@ -370,7 +370,8 @@ struct tb_switch *tb_switch_alloc(struct tb *tb, u64 route) tb_sw_warn(sw, "unknown switch vendor id %#x\n", sw->config.vendor_id); - if (sw->config.device_id != PCI_DEVICE_ID_INTEL_CACTUS_RIDGE_4C && + if (sw->config.device_id != PCI_DEVICE_ID_INTEL_LIGHT_RIDGE && + sw->config.device_id != PCI_DEVICE_ID_INTEL_CACTUS_RIDGE_4C && sw->config.device_id != PCI_DEVICE_ID_INTEL_PORT_RIDGE) tb_sw_warn(sw, "unsupported switch device id %#x\n", sw->config.device_id); |