[PATCH] usb: ehci: add pci device support for Aspeed platforms

From: Neal Liu
Date: Tue Feb 08 2022 - 01:34:50 EST


Enable Aspeed quirks in commit 7f2d73788d90 ("usb: ehci:
handshake CMD_RUN instead of STS_HALT") to support Aspeed
ehci-pci device.

Signed-off-by: Neal Liu <neal_liu@xxxxxxxxxxxxxx>
---
drivers/usb/host/ehci-pci.c | 6 ++++++
include/linux/pci_ids.h | 3 +++
2 files changed, 9 insertions(+)

diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index e87cf3a00fa4..a91b25d216ae 100644
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -222,6 +222,12 @@ static int ehci_pci_setup(struct usb_hcd *hcd)
ehci->has_synopsys_hc_bug = 1;
}
break;
+ case PCI_VENDOR_ID_ASPEED:
+ if (pdev->device == PCI_DEVICE_ID_ASPEED_EHCI) {
+ ehci_info(ehci, "applying Aspeed HC workaround\n");
+ ehci->is_aspeed = 1;
+ }
+ break;
}

/* optional debug port, normally in the first BAR */
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index aad54c666407..410b395fe56c 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -3096,4 +3096,7 @@

#define PCI_VENDOR_ID_NCUBE 0x10ff

+#define PCI_VENDOR_ID_ASPEED 0x1a03
+#define PCI_DEVICE_ID_ASPEED_EHCI 0x2603
+
#endif /* _LINUX_PCI_IDS_H */
--
2.25.1