linux-kernel - Re: [PATCH v4 19/20] usb: dwc3: add support for AMD Nolan platform

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Message-ID: <20141030163840.GK10130@saruman>
Date:	Thu, 30 Oct 2014 11:38:40 -0500
From:	Felipe Balbi <balbi@...com>
To:	Huang Rui <ray.huang@....com>
CC:	Felipe Balbi <balbi@...com>,
	Alan Stern <stern@...land.harvard.edu>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Paul Zimmerman <Paul.Zimmerman@...opsys.com>,
	Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
	Jason Chang <jason.chang@....com>,
	Vincent Wan <vincent.wan@....com>, Tony Li <tony.li@....com>,
	<linux-usb@...r.kernel.org>, <linux-pci@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
Subject: Re: [PATCH v4 19/20] usb: dwc3: add support for AMD Nolan platform

On Thu, Oct 30, 2014 at 06:08:44PM +0800, Huang Rui wrote:
> This patch adds support for AMD Nolan (NL) FPGA and SoC platform.
> 
> Cc: Jason Chang <jason.chang@....com>
> Signed-off-by: Huang Rui <ray.huang@....com>
> ---
>  drivers/usb/dwc3/dwc3-pci.c | 23 +++++++++++++++++++++++
>  1 file changed, 23 insertions(+)
> 
> diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
> index ada975f..257fb3f9e 100644
> --- a/drivers/usb/dwc3/dwc3-pci.c
> +++ b/drivers/usb/dwc3/dwc3-pci.c
> @@ -145,6 +145,28 @@ static int dwc3_pci_probe(struct pci_dev *pci,
>  	res[1].name	= "dwc_usb3";
>  	res[1].flags	= IORESOURCE_IRQ;
>  
> +	if (pci->vendor == PCI_VENDOR_ID_AMD &&
> +			pci->device == PCI_DEVICE_ID_AMD_NL_USB) {
> +		dwc3_pdata.has_lpm_erratum = true;
> +		dwc3_pdata.lpm_nyet_threshold = 0xf;
> +
> +		dwc3_pdata.u2exit_lfps_quirk = true;
> +		dwc3_pdata.u2ss_inp3_quirk = true;
> +		dwc3_pdata.req_p1p2p3_quirk = true;
> +		dwc3_pdata.del_p1p2p3_quirk = true;
> +		dwc3_pdata.del_phy_power_chg_quirk = true;
> +		dwc3_pdata.lfps_filter_quirk = true;
> +		dwc3_pdata.rx_detect_poll_quirk = true;
> +
> +		dwc3_pdata.tx_de_emphasis_quirk = true;
> +		dwc3_pdata.tx_de_emphasis = 1;
> +
> +		/* FIXME these quirks should move when AMD NL taps out */

do you mean ?

		/*
		 * FIXME these quirks should be removed when AMD NL
		 * tapes out
		 */

-- 
balbi

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