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authorVardan Mikayelyan <mvardan@synopsys.com>2018-02-16 14:08:27 +0400
committerFelipe Balbi <felipe.balbi@linux.intel.com>2018-03-13 10:47:54 +0200
commit20fe440982e72dc6440297d7111d71ac2cda70dd (patch)
tree86ab8d8dca7ad971e930e9e2990f3938fe21f336 /drivers/usb/dwc2
parent9a5d2816b8560320ac625e8ae6cfc0d36ea0f52b (diff)
usb: dwc2: core: Add hibernated flag
Added a flag to indicate that core is in hibernation, it is used to determine the hibernation state of the core. Signed-off-by: Vardan Mikayelyan <mvardan@synopsys.com> Signed-off-by: John Youn <johnyoun@synopsys.com> Signed-off-by: Grigor Tovmasyan <tovmasya@synopsys.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/dwc2')
-rw-r--r--drivers/usb/dwc2/core.h2
-rw-r--r--drivers/usb/dwc2/platform.c1
2 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h
index 85e083f021dc..31b1be0df02b 100644
--- a/drivers/usb/dwc2/core.h
+++ b/drivers/usb/dwc2/core.h
@@ -810,6 +810,7 @@ struct dwc2_hregs_backup {
* @hcd_enabled Host mode sub-driver initialization indicator.
* @gadget_enabled Peripheral mode sub-driver initialization indicator.
* @ll_hw_enabled Status of low-level hardware resources.
+ * @hibernated: True if core is hibernated
* @phy: The otg phy transceiver structure for phy control.
* @uphy: The otg phy transceiver structure for old USB phy
* control.
@@ -947,6 +948,7 @@ struct dwc2_hsotg {
unsigned int hcd_enabled:1;
unsigned int gadget_enabled:1;
unsigned int ll_hw_enabled:1;
+ unsigned int hibernated:1;
struct phy *phy;
struct usb_phy *uphy;
diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c
index 65e1af5e491a..7d80e6360a5a 100644
--- a/drivers/usb/dwc2/platform.c
+++ b/drivers/usb/dwc2/platform.c
@@ -458,6 +458,7 @@ static int dwc2_driver_probe(struct platform_device *dev)
}
platform_set_drvdata(dev, hsotg);
+ hsotg->hibernated = 0;
dwc2_debugfs_init(hsotg);