Messages in this thread Patch in this message | | | From | Huang Rui <> | Subject | [PATCH v4 01/20] usb: dwc3: enable hibernation if to be supported | Date | Thu, 30 Oct 2014 18:08:26 +0800 |
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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> Signed-off-by: Felipe Balbi <balbi@ti.com> --- drivers/usb/dwc3/core.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index fa396fc..5a47482 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -447,8 +447,14 @@ static int dwc3_core_init(struct dwc3 *dwc) reg &= ~DWC3_GCTL_DSBLCLKGTNG; break; case DWC3_GHWPARAMS1_EN_PWROPT_HIB: - /* enable hibernation here */ dwc->nr_scratch = DWC3_GHWPARAMS4_HIBER_SCRATCHBUFS(hwparams4); + /* + * Enable hibernation here. + * + * Enabling this bit so that host-mode hibernation will + * work, device-mode hibernation is not implemented yet. + */ + reg |= DWC3_GCTL_GBLHIBERNATIONEN; break; default: dev_dbg(dwc->dev, "No power optimization available\n"); -- 1.9.1
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