> -----Original Message----- > From: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > Sent: Tuesday, February 8, 2022 3:38 PM > To: Neal Liu <neal_liu@xxxxxxxxxxxxxx> > Cc: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>; Bjorn Helgaas > <bhelgaas@xxxxxxxxxx>; linux-usb@xxxxxxxxxxxxxxx; > linux-kernel@xxxxxxxxxxxxxxx; linux-pci@xxxxxxxxxxxxxxx; Tao Ren > <rentao.bupt@xxxxxxxxx>; BMC-SW <BMC-SW@xxxxxxxxxxxxxx> > Subject: Re: [PATCH] usb: ehci: add pci device support for Aspeed platforms > > On Tue, Feb 08, 2022 at 02:29:27PM +0800, Neal Liu wrote: > > 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 > > Please read the top of this file, this does not need to be added here. > > thanks, > > greg k-h Are you suggesting to hard code vendor/device ID in driver instead? Thanks -Neal