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path: root/drivers/usb/dwc3/core.c
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Diffstat (limited to 'drivers/usb/dwc3/core.c')
-rw-r--r--drivers/usb/dwc3/core.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 09e7bedc5e1d..ecbe1c153f32 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -317,8 +317,7 @@ static void dwc3_frame_length_adjustment(struct dwc3 *dwc)
reg = dwc3_readl(dwc->regs, DWC3_GFLADJ);
dft = reg & DWC3_GFLADJ_30MHZ_MASK;
- if (!dev_WARN_ONCE(dwc->dev, dft == dwc->fladj,
- "request value same as default, ignoring\n")) {
+ if (dft != dwc->fladj) {
reg &= ~DWC3_GFLADJ_30MHZ_MASK;
reg |= DWC3_GFLADJ_30MHZ_SDBND_SEL | dwc->fladj;
dwc3_writel(dwc->regs, DWC3_GFLADJ, reg);
@@ -1012,6 +1011,9 @@ static void dwc3_core_exit_mode(struct dwc3 *dwc)
/* do nothing */
break;
}
+
+ /* de-assert DRVVBUS for HOST and OTG mode */
+ dwc3_set_mode(dwc, DWC3_GCTL_PRTCAP_DEVICE);
}
#define DWC3_ALIGN_MASK (16 - 1)
@@ -1066,7 +1068,7 @@ static int dwc3_probe(struct platform_device *pdev)
dwc->regs_size = resource_size(res);
/* default to highest possible threshold */
- lpm_nyet_threshold = 0xff;
+ lpm_nyet_threshold = 0xf;
/* default to -3.5dB de-emphasis */
tx_de_emphasis = 1;
@@ -1191,7 +1193,8 @@ static int dwc3_probe(struct platform_device *pdev)
ret = dwc3_core_init(dwc);
if (ret) {
- dev_err(dev, "failed to initialize core\n");
+ if (ret != -EPROBE_DEFER)
+ dev_err(dev, "failed to initialize core: %d\n", ret);
goto err4;
}