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usb: dwc3: rockchip: set dwc3 enter runtime suspend immediately

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In current code, the dwc3 controller is active when system start
and change to suspend when auto suspend, while the dwc3 controller
will receive connected notify before auto suspend and fail to change
the state of dwc3 controller from active state to resume if dwc3
controller is connected when system start. So we can change async
suspend to sysc suspend to make sure that the dwc3 controller could
finish suspend process before receive connect notify and fix "set
address fail" error when system start.

Change-Id: Ida8760004da06275d667e33b887b8dde87cd9520
Signed-off-by: Meng Dongyang <daniel.meng@rock-chips.com>
This commit is contained in:
Meng Dongyang
2016-10-11 17:40:19 +08:00
committed by Huang, Tao
parent 4221c07f2c
commit a43c9c3095
1 changed files with 4 additions and 4 deletions
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8
drivers/usb/dwc3/dwc3-rockchip.c
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@@ -392,10 +392,6 @@ static int dwc3_rockchip_probe(struct platform_device *pdev)
goto err2;
if (rockchip->edev) {
pm_runtime_set_autosuspend_delay(&child_pdev->dev,
DWC3_ROCKCHIP_AUTOSUSPEND_DELAY);
pm_runtime_allow(&child_pdev->dev);
if (rockchip->dwc->dr_mode == USB_DR_MODE_HOST ||
rockchip->dwc->dr_mode == USB_DR_MODE_OTG) {
struct usb_hcd *hcd =
@@ -411,6 +407,10 @@ static int dwc3_rockchip_probe(struct platform_device *pdev)
}
}
pm_runtime_set_autosuspend_delay(&child_pdev->dev,
DWC3_ROCKCHIP_AUTOSUSPEND_DELAY);
pm_runtime_allow(&child_pdev->dev);
pm_runtime_suspend(&child_pdev->dev);
pm_runtime_put_sync(dev);
if ((extcon_get_cable_state_(rockchip->edev,