From: <honghui.zhang@mediatek.com>
To: <lorenzo.pieralisi@arm.com>, <bhelgaas@google.com>,
<linux-arm-kernel@lists.infradead.org>,
<linux-mediatek@lists.infradead.org>, <linux-pci@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <ryder.lee@mediatek.com>,
<matthias.bgg@gmail.com>
Cc: <rafael.j.wysocki@intel.com>, <fred@fredlawl.com>,
<poza@codeaurora.org>, <youlin.pei@mediatek.com>,
<jianjun.wang@mediatek.com>,
Honghui Zhang <honghui.zhang@mediatek.com>
Subject: [RFC PATCH v2] PCI/portdrv: Support for subtractive decode bridge
Date: Thu, 14 Feb 2019 13:21:17 +0800 [thread overview]
Message-ID: <1550121677-10474-1-git-send-email-honghui.zhang@mediatek.com> (raw)
From: Honghui Zhang <honghui.zhang@mediatek.com>
The Class Code for subtractive decode PCI-to-PCI bridge is 060401h,
add one entry to make portdrv support this type bridge.
Signed-off-by: Honghui Zhang <honghui.zhang@mediatek.com>
---
drivers/pci/pcie/portdrv_pci.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c
index 0acca35..c129f2f 100644
--- a/drivers/pci/pcie/portdrv_pci.c
+++ b/drivers/pci/pcie/portdrv_pci.c
@@ -185,6 +185,8 @@ static void pcie_portdrv_err_resume(struct pci_dev *dev)
static const struct pci_device_id port_pci_ids[] = { {
/* handle any PCI-Express port */
PCI_DEVICE_CLASS(((PCI_CLASS_BRIDGE_PCI << 8) | 0x00), ~0),
+ /* subtractive decode PCI-to-PCI bridge, class type is 060401h */
+ PCI_DEVICE_CLASS(((PCI_CLASS_BRIDGE_PCI << 8) | 0x01), ~0),
}, { /* end: all zeroes */ }
};
--
2.6.4
next reply other threads:[~2019-02-14 5:21 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-14 5:21 honghui.zhang [this message]
2019-02-14 23:41 ` [RFC PATCH v2] PCI/portdrv: Support for subtractive decode bridge Bjorn Helgaas
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