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Commit 42259479 authored by Neal Liu's avatar Neal Liu Committed by Greg Kroah-Hartman
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usb: ehci: add pci device support for Aspeed platforms 



[ Upstream commit c3c9cee592828528fd228b01d312c7526c584a42 ]

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

Acked-by: default avatarAlan Stern <stern@rowland.harvard.edu>
Signed-off-by: default avatarNeal Liu <neal_liu@aspeedtech.com>
Link: https://lore.kernel.org/r/20220208101657.76459-1-neal_liu@aspeedtech.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent ea057ac8

drivers/usb/host/ehci-pci.c

+9 −0
Original line number Diff line number Diff line
@@ -21,6 +21,9 @@ static const char hcd_name[] = "ehci-pci"; 
/* defined here to avoid adding to pci_ids.h for single instance use */

#define PCI_DEVICE_ID_INTEL_CE4100_USB	0x2e70



#define PCI_VENDOR_ID_ASPEED		0x1a03

#define PCI_DEVICE_ID_ASPEED_EHCI	0x2603



/*-------------------------------------------------------------------------*/

#define PCI_DEVICE_ID_INTEL_QUARK_X1000_SOC		0x0939

static inline bool is_intel_quark_x1000(struct pci_dev *pdev)
@@ -223,6 +226,12 @@ 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 */