linux-kernel - [RFC 3/3] xhci-pci: Allow host runtime PM as default for AMD Pink Sardine

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 3 Oct 2022 23:12:25 -0500
From:   Mario Limonciello <mario.limonciello@....com>
To:     Mika Westerberg <mika.westerberg@...ux.intel.com>
CC:     "open list:THUNDERBOLT DRIVER" <linux-usb@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <Sanju.Mehta@....com>,
        Mario Limonciello <mario.limonciello@....com>
Subject: [RFC 3/3] xhci-pci: Allow host runtime PM as default for AMD Pink Sardine

The XHCI controllers not connected to the USB4 controller via a device
link can support D3. For optimal runtime power consumption on AMD Pink
Sardine, all XHCI controllers must support runtime suspend.

Signed-off-by: Mario Limonciello <mario.limonciello@....com>
---
 drivers/usb/host/xhci-pci.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 44defa8b796f7..a569b29a46a99 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -69,6 +69,8 @@
 #define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_4		0x161e
 #define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_5		0x161c
 #define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_6		0x161f
+#define PCI_DEVICE_ID_AMD_PINK_SARDINE_XHCI_1		0x15b9
+#define PCI_DEVICE_ID_AMD_PINK_SARDINE_XHCI_2		0x15ba
 
 #define PCI_DEVICE_ID_ASMEDIA_1042_XHCI			0x1042
 #define PCI_DEVICE_ID_ASMEDIA_1042A_XHCI		0x1142
@@ -328,7 +330,9 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
 	    pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_3 ||
 	    pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_4 ||
 	    pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_5 ||
-	    pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_6))
+	    pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_6 ||
+	    pdev->device == PCI_DEVICE_ID_AMD_PINK_SARDINE_XHCI_1 ||
+	    pdev->device == PCI_DEVICE_ID_AMD_PINK_SARDINE_XHCI_2))
 		xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW;
 
 	if (xhci->quirks & XHCI_RESET_ON_RESUME)
-- 
2.34.1