From: Mathias Nyman <mathias.nyman@linux.intel.com>
To: <gregkh@linuxfoundation.org>
Cc: <linux-usb@vger.kernel.org>,
Mika Westerberg <mika.westerberg@linux.intel.com>,
Mathias Nyman <mathias.nyman@linux.intel.com>
Subject: [PATCH 9/9] xhci-pci: Allow host runtime PM as default for Intel Tiger Lake xHCI
Date: Thu, 12 Mar 2020 16:45:17 +0200 [thread overview]
Message-ID: <20200312144517.1593-10-mathias.nyman@linux.intel.com> (raw)
In-Reply-To: <20200312144517.1593-1-mathias.nyman@linux.intel.com>
From: Mika Westerberg <mika.westerberg@linux.intel.com>
In the same way as Intel Ice Lake TCSS (Type-C Subsystem) the Tiger Lake
TCSS xHCI needs to be runtime suspended whenever possible to allow the
TCSS hardware block to enter D3cold and thus save energy.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
---
drivers/usb/host/xhci-pci.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 09786fbed996..c37b736d93f9 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -50,6 +50,7 @@
#define PCI_DEVICE_ID_INTEL_TITAN_RIDGE_DD_XHCI 0x15f0
#define PCI_DEVICE_ID_INTEL_ICE_LAKE_XHCI 0x8a13
#define PCI_DEVICE_ID_INTEL_CML_XHCI 0xa3af
+#define PCI_DEVICE_ID_INTEL_TIGER_LAKE_XHCI 0x9a13
#define PCI_DEVICE_ID_AMD_PROMONTORYA_4 0x43b9
#define PCI_DEVICE_ID_AMD_PROMONTORYA_3 0x43ba
@@ -216,7 +217,8 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
pdev->device == PCI_DEVICE_ID_INTEL_TITAN_RIDGE_2C_XHCI ||
pdev->device == PCI_DEVICE_ID_INTEL_TITAN_RIDGE_4C_XHCI ||
pdev->device == PCI_DEVICE_ID_INTEL_TITAN_RIDGE_DD_XHCI ||
- pdev->device == PCI_DEVICE_ID_INTEL_ICE_LAKE_XHCI))
+ pdev->device == PCI_DEVICE_ID_INTEL_ICE_LAKE_XHCI ||
+ pdev->device == PCI_DEVICE_ID_INTEL_TIGER_LAKE_XHCI))
xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW;
if (pdev->vendor == PCI_VENDOR_ID_ETRON &&
--
2.17.1
prev parent reply other threads:[~2020-03-12 14:43 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-12 14:45 [PATCH 0/9] xhci features for usb-next Mathias Nyman
2020-03-12 14:45 ` [PATCH 1/9] xhci: bail out early if driver can't accress host in resume Mathias Nyman
2020-03-12 14:45 ` [PATCH 2/9] xhci: Add a separate debug message for split transaction errors Mathias Nyman
2020-03-12 14:45 ` [PATCH 3/9] xhci: Show host status when watchdog triggers and host is assumed dead Mathias Nyman
2020-03-12 14:45 ` [PATCH 4/9] usb: xhci: Enable LPM for VIA LABS VL805 Mathias Nyman
2020-03-12 14:45 ` [PATCH 5/9] usb: host: xhci-tegra: Tegra186/Tegra194 LPM Mathias Nyman
2020-03-12 14:45 ` [PATCH 6/9] xhci: Ensure link state is U3 after setting USB_SS_PORT_LS_U3 Mathias Nyman
2020-03-12 14:45 ` [PATCH 7/9] xhci: Wait until link state trainsits to U0 after setting USB_SS_PORT_LS_U0 Mathias Nyman
2020-03-12 14:45 ` [PATCH 8/9] xhci: Finetune host initiated USB3 rootport link suspend and resume Mathias Nyman
2020-03-12 14:45 ` Mathias Nyman [this message]
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