From: Qi Duan <qi.duan@amlogic.com>
Date: Fri, 1 Sep 2017 06:52:16 +0000 (+0800)
Subject: USB: don't set softdisconnect when suspend
X-Git-Tag: khadas-vims-v0.9.6-release~2898
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2e5f4dd444ae1a553ad79ba59c5e94ef5dc6150f;p=platform%2Fkernel%2Flinux-amlogic.git

USB: don't set softdisconnect when suspend

PD#148350: USB: don't set softdisconnect when suspend. [1/1]

Change-Id: I037d951f23c6d5c606af64f8c1b5550246256d79
Signed-off-by: Qi Duan <qi.duan@amlogic.com>
---

diff --git a/drivers/amlogic/usb/dwc_otg/310/dwc_otg_driver.c b/drivers/amlogic/usb/dwc_otg/310/dwc_otg_driver.c
index 812c5df..b6dab6a 100644
--- a/drivers/amlogic/usb/dwc_otg/310/dwc_otg_driver.c
+++ b/drivers/amlogic/usb/dwc_otg/310/dwc_otg_driver.c
@@ -895,16 +895,20 @@ static void usb_early_suspend(struct early_suspend *h)
 	dwc_otg_device = (dwc_otg_device_t *)h->param;
 	is_mount = get_pcd_ums_state(dwc_otg_device->pcd);
 	DWC_DEBUG("DWC_OTG: going early suspend! is_mount=%d\n", is_mount);
+	if (dwc_otg_device->core_if->controller_type == 0) {
 	if (dwc_otg_is_device_mode(dwc_otg_device->core_if) && !is_mount)
 		DWC_MODIFY_REG32(&dwc_otg_device->core_if->dev_if->dev_global_regs->dctl, 0, 2);
+	}
 }
 static void usb_early_resume(struct early_suspend *h)
 {
 	dwc_otg_device_t *dwc_otg_device;
 	DWC_DEBUG("DWC_OTG: going early resume\n");
 	dwc_otg_device = (dwc_otg_device_t *)h->param;
+	if (dwc_otg_device->core_if->controller_type == 0) {
 	if (dwc_otg_is_device_mode(dwc_otg_device->core_if))
 		DWC_MODIFY_REG32(&dwc_otg_device->core_if->dev_if->dev_global_regs->dctl, 2, 0);
+	}
 }
 #endif
 static const struct of_device_id dwc_otg_dt_match[] = {