From: Paul Zimmerman <Paul.Zimmerman@synopsys.com>
To: Huang Rui <ray.huang@amd.com>, Felipe Balbi <balbi@ti.com>,
Alan Stern <stern@rowland.harvard.edu>,
Bjorn Helgaas <bhelgaas@google.com>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>,
Jason Chang <jason.chang@amd.com>,
Vincent Wan <vincent.wan@amd.com>, Tony Li <tony.li@amd.com>,
"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH v3 01/19] usb: dwc3: enable hibernation if to be supported
Date: Tue, 28 Oct 2014 18:47:08 +0000 [thread overview]
Message-ID: <A2CA0424C0A6F04399FB9E1CD98E0304844E68B7@US01WEMBX2.internal.synopsys.com> (raw)
In-Reply-To: <1414497280-3126-2-git-send-email-ray.huang@amd.com>
> From: Huang Rui [mailto:ray.huang@amd.com]
> Sent: Tuesday, October 28, 2014 4:54 AM
>
> It enables hibernation if the function is set in coreConsultant.
>
> Suggested-by: Felipe Balbi <balbi@ti.com>
> Signed-off-by: Huang Rui <ray.huang@amd.com>
> ---
> drivers/usb/dwc3/core.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
> index fa396fc..bf77509 100644
> --- a/drivers/usb/dwc3/core.c
> +++ b/drivers/usb/dwc3/core.c
> @@ -449,6 +449,7 @@ static int dwc3_core_init(struct dwc3 *dwc)
> case DWC3_GHWPARAMS1_EN_PWROPT_HIB:
> /* enable hibernation here */
> dwc->nr_scratch = DWC3_GHWPARAMS4_HIBER_SCRATCHBUFS(hwparams4);
> + reg |= DWC3_GCTL_GBLHIBERNATIONEN;
> break;
> default:
> dev_dbg(dwc->dev, "No power optimization available\n");
What effect does this have when the controller is in device mode? I
expect it will start generating DWC3_DEVICE_EVENT_HIBER_REQ interrupt
events when this register bit is set. So the dev_WARN_ONCE in
dwc3_gadget_interrupt() will start firing, I think.
--
Paul
next prev parent reply other threads:[~2014-10-28 18:47 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-28 11:54 [PATCH v3 00/19] usb: dwc3: add support for AMD Nolan SoC Huang Rui
2014-10-28 11:54 ` [PATCH v3 01/19] usb: dwc3: enable hibernation if to be supported Huang Rui
2014-10-28 18:47 ` Paul Zimmerman [this message]
2014-10-28 18:50 ` Felipe Balbi
2014-10-28 18:55 ` Paul Zimmerman
2014-10-28 19:01 ` Felipe Balbi
2014-10-28 19:15 ` Paul Zimmerman
2014-10-28 19:18 ` Felipe Balbi
2014-10-29 6:53 ` Huang Rui
2014-10-28 11:54 ` [PATCH v3 02/19] usb: dwc3: add a flag to check if it is fpga board Huang Rui
2014-10-28 11:54 ` [PATCH v3 03/19] usb: dwc3: initialize platform data at pci glue layer Huang Rui
2014-10-28 11:54 ` [PATCH v3 04/19] usb: dwc3: add disscramble quirk Huang Rui
2014-10-28 16:39 ` Bjorn Helgaas
2014-10-28 18:42 ` Felipe Balbi
2014-10-29 6:50 ` Huang Rui
2014-10-28 11:54 ` [PATCH v3 05/19] usb: dwc3: add lpm erratum support Huang Rui
2014-10-28 16:30 ` Bjorn Helgaas
2014-10-29 7:44 ` Huang Rui
2014-10-28 11:54 ` [PATCH v3 06/19] usb: dwc3: add u2exit lfps quirk Huang Rui
2014-10-28 11:54 ` [PATCH v3 07/19] usb: dwc3: add P3 in U2 SS inactive quirk Huang Rui
2014-10-28 11:54 ` [PATCH v3 08/19] usb: dwc3: add request p1p2p3 quirk Huang Rui
2014-10-28 11:54 ` [PATCH v3 09/19] usb: dwc3: add delay " Huang Rui
2014-10-28 11:54 ` [PATCH v3 10/19] usb: dwc3: add delay phy power change quirk Huang Rui
2014-10-28 11:54 ` [PATCH v3 11/19] usb: dwc3: add lfps filter quirk Huang Rui
2014-10-28 11:54 ` [PATCH v3 12/19] usb: dwc3: add rx_detect to polling lfps quirk Huang Rui
2014-10-28 11:54 ` [PATCH v3 13/19] usb: dwc3: add tx demphasis quirk Huang Rui
2014-10-28 16:27 ` Bjorn Helgaas
2014-10-28 18:43 ` Felipe Balbi
2014-10-29 8:08 ` Huang Rui
2014-10-28 11:54 ` [PATCH v3 14/19] usb: dwc3: set SUSPHY bit for all cores Huang Rui
2014-10-28 11:54 ` [PATCH v3 15/19] usb: dwc3: add disable usb3 suspend phy quirk Huang Rui
2014-10-28 11:54 ` [PATCH v3 16/19] usb: dwc3: add disable usb2 " Huang Rui
2014-10-28 11:54 ` [PATCH v3 17/19] PCI: Add support for AMD Nolan USB3 DRD Huang Rui
2014-10-28 13:30 ` Bjorn Helgaas
2014-10-28 11:54 ` [PATCH v3 18/19] PCI: Add quirk to prevent AMD NL USB3 DRD to bind with xHCI driver Huang Rui
2014-10-28 12:06 ` Sergei Shtylyov
2014-10-28 12:15 ` Huang Rui
2014-10-28 13:29 ` Bjorn Helgaas
2014-10-28 11:54 ` [PATCH v3 19/19] usb: dwc3: add support for AMD NL platform Huang Rui
2014-10-28 13:38 ` Felipe Balbi
2014-10-28 14:35 ` Huang Rui
2014-10-29 9:13 ` Huang Rui
2014-10-29 14:11 ` Felipe Balbi
2014-10-29 14:33 ` Huang Rui
2014-10-29 14:48 ` Felipe Balbi
2014-10-28 14:41 ` [PATCH v3 00/19] usb: dwc3: add support for AMD Nolan SoC Felipe Balbi
2014-10-28 15:17 ` Huang Rui
2014-10-28 15:23 ` Felipe Balbi
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