linux-kernel - Re: [PATCH] usb: ehci: add pci device support for Aspeed platforms

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Date:   Tue, 8 Feb 2022 08:37:52 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Neal Liu <neal_liu@...eedtech.com>
Cc:     Alan Stern <stern@...land.harvard.edu>,
        Bjorn Helgaas <bhelgaas@...gle.com>, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
        Tao Ren <rentao.bupt@...il.com>, BMC-SW@...eedtech.com
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@...eedtech.com>
> ---
>  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