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: youlin.pei@mediatek.com, poza@codeaurora.org, fred@fredlawl.com,
rafael.j.wysocki@intel.com, jianjun.wang@mediatek.com,
Honghui Zhang <honghui.zhang@mediatek.com>
Subject: [RFC PATCH] PCI/portdrv: Support for subtractive decode bridge
Date: Fri, 14 Dec 2018 11:40:29 +0800 [thread overview]
Message-ID: <1544758829-10327-1-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,
change the class_mask values 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, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c
index eef22dc..86926ea 100644
--- a/drivers/pci/pcie/portdrv_pci.c
+++ b/drivers/pci/pcie/portdrv_pci.c
@@ -179,7 +179,7 @@ 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),
+ PCI_DEVICE_CLASS(((PCI_CLASS_BRIDGE_PCI << 8) | 0x00), ~0x01),
}, { /* end: all zeroes */ }
};
--
2.6.4
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next reply other threads:[~2018-12-14 3:41 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-14 3:40 honghui.zhang [this message]
2019-02-07 15:18 ` [RFC PATCH] PCI/portdrv: Support for subtractive decode bridge Bjorn Helgaas
2019-02-07 19:52 ` Bjorn Helgaas
2019-02-12 3:12 ` Honghui Zhang
2019-02-12 2:57 ` Honghui Zhang
2019-02-13 19:11 ` Bjorn Helgaas
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