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thunderbolt: Limit Intel Barlow Ridge USB3 bandwidth
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[ Upstream commit f2bfa94 ]

Intel Barlow Ridge discrete USB4 host router has the same limitation as
the previous generations so make sure the USB3 bandwidth limitation
quirk is applied to Barlow Ridge too.

Signed-off-by: Gil Fine <gil.fine@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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westeri authored and gregkh committed Aug 23, 2023
1 parent acb9038 commit ef87750
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Showing 2 changed files with 10 additions and 0 deletions.
2 changes: 2 additions & 0 deletions drivers/thunderbolt/nhi.h
Expand Up @@ -77,6 +77,8 @@ extern const struct tb_nhi_ops icl_nhi_ops;
#define PCI_DEVICE_ID_INTEL_ADL_NHI1 0x466d
#define PCI_DEVICE_ID_INTEL_BARLOW_RIDGE_HOST_80G_NHI 0x5781
#define PCI_DEVICE_ID_INTEL_BARLOW_RIDGE_HOST_40G_NHI 0x5784
#define PCI_DEVICE_ID_INTEL_BARLOW_RIDGE_HUB_80G_BRIDGE 0x5786
#define PCI_DEVICE_ID_INTEL_BARLOW_RIDGE_HUB_40G_BRIDGE 0x57a4
#define PCI_DEVICE_ID_INTEL_MTL_M_NHI0 0x7eb2
#define PCI_DEVICE_ID_INTEL_MTL_P_NHI0 0x7ec2
#define PCI_DEVICE_ID_INTEL_MTL_P_NHI1 0x7ec3
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8 changes: 8 additions & 0 deletions drivers/thunderbolt/quirks.c
Expand Up @@ -74,6 +74,14 @@ static const struct tb_quirk tb_quirks[] = {
quirk_usb3_maximum_bandwidth },
{ 0x8087, PCI_DEVICE_ID_INTEL_MTL_P_NHI1, 0x0000, 0x0000,
quirk_usb3_maximum_bandwidth },
{ 0x8087, PCI_DEVICE_ID_INTEL_BARLOW_RIDGE_HOST_80G_NHI, 0x0000, 0x0000,
quirk_usb3_maximum_bandwidth },
{ 0x8087, PCI_DEVICE_ID_INTEL_BARLOW_RIDGE_HOST_40G_NHI, 0x0000, 0x0000,
quirk_usb3_maximum_bandwidth },
{ 0x8087, PCI_DEVICE_ID_INTEL_BARLOW_RIDGE_HUB_80G_BRIDGE, 0x0000, 0x0000,
quirk_usb3_maximum_bandwidth },
{ 0x8087, PCI_DEVICE_ID_INTEL_BARLOW_RIDGE_HUB_40G_BRIDGE, 0x0000, 0x0000,
quirk_usb3_maximum_bandwidth },
/*
* CLx is not supported on AMD USB4 Yellow Carp and Pink Sardine platforms.
*/
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