Re: [PATCH 1/3] PCI: Add Thunderbolt device IDs

[Bjorn Helgaas <helgaas@kernel.org>]

[+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@gmail.com>
> Signed-off-by: Lukas Wunner <lukas@wunner.de>
> Acked-by: Bjorn Helgaas <bhelgaas@google.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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