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From 6e4c0295938e21c52d86502da5c454204617f9a8 Mon Sep 17 00:00:00 2001
From: Marcin Bachry <hegel666@gmail.com>
Date: Tue, 16 Mar 2021 15:28:51 -0400
Subject: [PATCH] PCI: quirks: Quirk PCI d3hot delay for AMD xhci
Renoir needs a similar delay.
Signed-off-by: Marcin Bachry <hegel666@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/pci/quirks.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 98851d00dc4d..8c929b7d335e 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -1904,6 +1904,9 @@ static void quirk_ryzen_xhci_d3hot(struct pci_dev *dev)
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, 0x15e0, quirk_ryzen_xhci_d3hot);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, 0x15e1, quirk_ryzen_xhci_d3hot);
+/* Renoir XHCI requires longer delay when transitioning from D0 to
+ * D3hot */
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, 0x1639, quirk_ryzen_xhci_d3hot);
#ifdef CONFIG_X86_IO_APIC
static int dmi_disable_ioapicreroute(const struct dmi_system_id *d)
--
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