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usb: dwc3: core: remove dwc3_soft_reset()

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dwc3_soft_reset() is doing the same thing as
dwc3_core_soft_reset(). Let's remove
dwc3_soft_reset() since that's not needed anymore.

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Felipe Balbi 2016-11-14 11:24:53 +02:00
parent 97f0117b45
commit a22f884b26
1 changed files with 0 additions and 39 deletions
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39
drivers/usb/dwc3/core.c
View file

@ -169,33 +169,6 @@ static int dwc3_core_soft_reset(struct dwc3 *dwc)
return -ETIMEDOUT; return -ETIMEDOUT;
} }
/**
* dwc3_soft_reset - Issue soft reset
* @dwc: Pointer to our controller context structure
*/
static int dwc3_soft_reset(struct dwc3 *dwc)
{
unsigned long timeout;
u32 reg;
timeout = jiffies + msecs_to_jiffies(500);
dwc3_writel(dwc->regs, DWC3_DCTL, DWC3_DCTL_CSFTRST);
do {
reg = dwc3_readl(dwc->regs, DWC3_DCTL);
if (!(reg & DWC3_DCTL_CSFTRST))
break;
if (time_after(jiffies, timeout)) {
dev_err(dwc->dev, "Reset Timed Out\n");
return -ETIMEDOUT;
}
cpu_relax();
} while (true);
return 0;
}
/* /*
* dwc3_frame_length_adjustment - Adjusts frame length if required * dwc3_frame_length_adjustment - Adjusts frame length if required
* @dwc3: Pointer to our controller context structure * @dwc3: Pointer to our controller context structure
@ -515,13 +488,6 @@ static int dwc3_phy_setup(struct dwc3 *dwc)
} }
/* FALLTHROUGH */ /* FALLTHROUGH */
case DWC3_GHWPARAMS3_HSPHY_IFC_ULPI: case DWC3_GHWPARAMS3_HSPHY_IFC_ULPI:
/* Making sure the interface and PHY are operational */
ret = dwc3_soft_reset(dwc);
if (ret)
return ret;
udelay(1);
ret = dwc3_ulpi_init(dwc); ret = dwc3_ulpi_init(dwc);
if (ret) if (ret)
return ret; return ret;
@ -710,11 +676,6 @@ static int dwc3_core_init(struct dwc3 *dwc)
dwc->maximum_speed = USB_SPEED_HIGH; dwc->maximum_speed = USB_SPEED_HIGH;
} }
/* issue device SoftReset too */
ret = dwc3_soft_reset(dwc);
if (ret)
goto err0;
ret = dwc3_core_soft_reset(dwc); ret = dwc3_core_soft_reset(dwc);
if (ret) if (ret)
goto err0; goto err0;