linux-kernel - [PATCH] PCI: Add AMD RV2 based APUs, such as 3015Ce, to D3hot to D3 quirk table.

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Message-Id: <20210311044135.119942-1-shirish.s@amd.com>
Date:   Thu, 11 Mar 2021 10:11:35 +0530
From:   Shirish S <shirish.s@....com>
To:     Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Julian Schroeder <julian.schroeder@....com>
Subject: [PATCH] PCI: Add AMD RV2 based APUs, such as 3015Ce, to D3hot to D3 quirk table.

From: Julian Schroeder <julian.schroeder@....com>

This allows for an extra 10ms for the state transition.
Currently only AMD PCO based APUs are covered by this table.
WIP. Working on commit to kernel.org.

Signed-off-by: Julian Schroeder <julian.schroeder@....com>
---
 drivers/pci/quirks.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 653660e3ba9e..7d8f52524ada 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -1904,6 +1904,7 @@ 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);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, 0x15e5, quirk_ryzen_xhci_d3hot);
 
 #ifdef CONFIG_X86_IO_APIC
 static int dmi_disable_ioapicreroute(const struct dmi_system_id *d)
-- 
2.17.1