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usb: ehci: add pci device support for Aspeed platforms

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[ Upstream commit c3c9cee592 ]

Enable Aspeed quirks in commit 7f2d73788d ("usb: ehci:
handshake CMD_RUN instead of STS_HALT") to support Aspeed
ehci-pci device.

Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Neal Liu <neal_liu@aspeedtech.com>
Link: https://lore.kernel.org/r/20220208101657.76459-1-neal_liu@aspeedtech.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Neal Liu 2022-02-08 18:16:57 +08:00 committed by Greg Kroah-Hartman
parent b2c6557c2f
commit 4bc9be709b
1 changed files with 9 additions and 0 deletions
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9
drivers/usb/host/ehci-pci.c
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@ -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)
@ -222,6 +225,12 @@ 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 */