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Date: Fri, 8 Apr 2016 11:20:50 -0500
From: Bjorn Helgaas <helgaas@...nel.org>
To: Lukas Wunner <lukas@...ner.de>
Cc: linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
Andreas Noever <andreas.noever@...il.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [PATCH 1/3] PCI: Add Thunderbolt device IDs
[+cc Greg]
On Sun, Mar 20, 2016 at 01:57:20PM +0100, Lukas Wunner wrote:
> Gen 1 and 2 chips use the same ID for NHI, bridges and switch.
> Gen 3 chips and onward use a distinct ID for the NHI.
>
> No functional change intended.
>
> Cc: Andreas Noever <andreas.noever@...il.com>
> Signed-off-by: Lukas Wunner <lukas@...ner.de>
> Acked-by: Bjorn Helgaas <bhelgaas@...gle.com>
All three patches applied with Andreas' ack to pci/thunderbolt for v4.7,
thanks!
> ---
> drivers/pci/quirks.c | 16 ++++++++++------
> drivers/thunderbolt/nhi.c | 8 +++++---
> drivers/thunderbolt/switch.c | 9 +++++----
> include/linux/pci_ids.h | 18 ++++++++++++++++++
> 4 files changed, 38 insertions(+), 13 deletions(-)
>
> diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
> index 8e67802..b584ddf 100644
> --- a/drivers/pci/quirks.c
> +++ b/drivers/pci/quirks.c
> @@ -3232,7 +3232,8 @@ static void quirk_apple_poweroff_thunderbolt(struct pci_dev *dev)
> acpi_execute_simple_method(SXIO, NULL, 0);
> acpi_execute_simple_method(SXLV, NULL, 0);
> }
> -DECLARE_PCI_FIXUP_SUSPEND_LATE(PCI_VENDOR_ID_INTEL, 0x1547,
> +DECLARE_PCI_FIXUP_SUSPEND_LATE(PCI_VENDOR_ID_INTEL,
> + PCI_DEVICE_ID_INTEL_CACTUS_RIDGE_4C,
> quirk_apple_poweroff_thunderbolt);
>
> /*
> @@ -3266,9 +3267,10 @@ static void quirk_apple_wait_for_thunderbolt(struct pci_dev *dev)
> if (!nhi)
> goto out;
> if (nhi->vendor != PCI_VENDOR_ID_INTEL
> - || (nhi->device != 0x1547 && nhi->device != 0x156c)
> - || nhi->subsystem_vendor != 0x2222
> - || nhi->subsystem_device != 0x1111)
> + || (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)
> goto out;
> dev_info(&dev->dev, "quirk: waiting for thunderbolt to reestablish PCI tunnels...\n");
> device_pm_wait_for_dev(&dev->dev, &nhi->dev);
> @@ -3276,9 +3278,11 @@ out:
> pci_dev_put(nhi);
> pci_dev_put(sibling);
> }
> -DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_INTEL, 0x1547,
> +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, 0x156d,
> +DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_INTEL,
> + PCI_DEVICE_ID_INTEL_FALCON_RIDGE_4C_BRIDGE,
> quirk_apple_wait_for_thunderbolt);
> #endif
>
> diff --git a/drivers/thunderbolt/nhi.c b/drivers/thunderbolt/nhi.c
> index 20a41f7..36be23b 100644
> --- a/drivers/thunderbolt/nhi.c
> +++ b/drivers/thunderbolt/nhi.c
> @@ -633,16 +633,18 @@ static const struct dev_pm_ops nhi_pm_ops = {
> static struct pci_device_id nhi_ids[] = {
> /*
> * We have to specify class, the TB bridges use the same device and
> - * vendor (sub)id.
> + * vendor (sub)id on gen 1 and gen 2 controllers.
> */
> {
> .class = PCI_CLASS_SYSTEM_OTHER << 8, .class_mask = ~0,
> - .vendor = PCI_VENDOR_ID_INTEL, .device = 0x1547,
> + .vendor = PCI_VENDOR_ID_INTEL,
> + .device = PCI_DEVICE_ID_INTEL_CACTUS_RIDGE_4C,
> .subvendor = 0x2222, .subdevice = 0x1111,
> },
> {
> .class = PCI_CLASS_SYSTEM_OTHER << 8, .class_mask = ~0,
> - .vendor = PCI_VENDOR_ID_INTEL, .device = 0x156c,
> + .vendor = PCI_VENDOR_ID_INTEL,
> + .device = PCI_DEVICE_ID_INTEL_FALCON_RIDGE_4C_NHI,
> .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID,
> },
> { 0,}
> diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c
> index aeb9829..db73ffe 100644
> --- a/drivers/thunderbolt/switch.c
> +++ b/drivers/thunderbolt/switch.c
> @@ -293,9 +293,9 @@ static int tb_plug_events_active(struct tb_switch *sw, bool active)
> if (active) {
> data = data & 0xFFFFFF83;
> switch (sw->config.device_id) {
> - case 0x1513:
> - case 0x151a:
> - case 0x1549:
> + case PCI_DEVICE_ID_INTEL_LIGHT_RIDGE:
> + case PCI_DEVICE_ID_INTEL_EAGLE_RIDGE:
> + case PCI_DEVICE_ID_INTEL_PORT_RIDGE:
> break;
> default:
> data |= 4;
> @@ -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 != 0x1547 && sw->config.device_id != 0x1549)
> + if (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);
>
> diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
> index 247da8c..c58752f 100644
> --- a/include/linux/pci_ids.h
> +++ b/include/linux/pci_ids.h
> @@ -2604,6 +2604,24 @@
> #define PCI_DEVICE_ID_INTEL_82441 0x1237
> #define PCI_DEVICE_ID_INTEL_82380FB 0x124b
> #define PCI_DEVICE_ID_INTEL_82439 0x1250
> +#define PCI_DEVICE_ID_INTEL_LIGHT_RIDGE 0x1513 /* Tbt 1 Gen 1 */
> +#define PCI_DEVICE_ID_INTEL_EAGLE_RIDGE 0x151a
> +#define PCI_DEVICE_ID_INTEL_LIGHT_PEAK 0x151b
> +#define PCI_DEVICE_ID_INTEL_CACTUS_RIDGE_4C 0x1547 /* Tbt 1 Gen 2 */
> +#define PCI_DEVICE_ID_INTEL_CACTUS_RIDGE_2C 0x1548
> +#define PCI_DEVICE_ID_INTEL_PORT_RIDGE 0x1549
> +#define PCI_DEVICE_ID_INTEL_REDWOOD_RIDGE_2C_NHI 0x1566 /* Tbt 1 Gen 3 */
> +#define PCI_DEVICE_ID_INTEL_REDWOOD_RIDGE_2C_BRIDGE 0x1567
> +#define PCI_DEVICE_ID_INTEL_REDWOOD_RIDGE_4C_NHI 0x1568
> +#define PCI_DEVICE_ID_INTEL_REDWOOD_RIDGE_4C_BRIDGE 0x1569
> +#define PCI_DEVICE_ID_INTEL_FALCON_RIDGE_2C_NHI 0x156a /* Thunderbolt 2 */
> +#define PCI_DEVICE_ID_INTEL_FALCON_RIDGE_2C_BRIDGE 0x156b
> +#define PCI_DEVICE_ID_INTEL_FALCON_RIDGE_4C_NHI 0x156c
> +#define PCI_DEVICE_ID_INTEL_FALCON_RIDGE_4C_BRIDGE 0x156d
> +#define PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_2C_NHI 0x1575 /* Thunderbolt 3 */
> +#define PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_2C_BRIDGE 0x1576
> +#define PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_4C_NHI 0x1577
> +#define PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_4C_BRIDGE 0x1578
> #define PCI_DEVICE_ID_INTEL_80960_RP 0x1960
> #define PCI_DEVICE_ID_INTEL_82840_HB 0x1a21
> #define PCI_DEVICE_ID_INTEL_82845_HB 0x1a30
> --
> 2.8.0.rc3
>
> --
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