diff mbox

[v5,8/8] usb: dwc3: point host-mode hibernation enablement not device-mode

Message ID 1414725079-11490-9-git-send-email-ray.huang@amd.com (mailing list archive)
State New, archived
Delegated to: Bjorn Helgaas
Headers show

Commit Message

Huang Rui Oct. 31, 2014, 3:11 a.m. UTC 
Since the discussion of below thread, current enablement works for
host-mode, device-mode hibernation is not implemented yet.

http://marc.info/?l=linux-usb&m=141452396814414&w=2

Signed-off-by: Huang Rui <ray.huang@amd.com>
---
 drivers/usb/dwc3/core.c   | 7 ++++++-
 drivers/usb/dwc3/gadget.c | 2 +-
 2 files changed, 7 insertions(+), 2 deletions(-)
diff mbox

Patch

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 8753792..a785fdd 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -512,8 +512,13 @@  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:
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 01e22d7..398c12f 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -2300,7 +2300,7 @@  static void dwc3_gadget_conndone_interrupt(struct dwc3 *dwc)
 		/*
 		 * When dwc3 revisions >= 2.40a, LPM Erratum is enabled and
 		 * DCFG.LPMCap is set, core responses with an ACK and the
-		 * BESL value in the LPM token is less than or equal to lPM
+		 * BESL value in the LPM token is less than or equal to LPM
 		 * NYET threshold.
 		 */
 		WARN_ONCE(dwc->revision < DWC3_REVISION_240A