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usb: dwc3: replace hard-coded constant in DWC3_GCTL_SCALEDOWN(3)
Define DWC3_GCTL_SCALEDOWN_MASK and use it in place of DWC3_GCTL_SCALEDOWN(3). Signed-off-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
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@ -350,7 +350,7 @@ static int __devinit dwc3_core_init(struct dwc3 *dwc)
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dwc3_cache_hwparams(dwc);
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reg = dwc3_readl(dwc->regs, DWC3_GCTL);
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reg &= ~DWC3_GCTL_SCALEDOWN(3);
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reg &= ~DWC3_GCTL_SCALEDOWN_MASK;
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reg &= ~DWC3_GCTL_DISSCRAMBLE;
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switch (DWC3_GHWPARAMS1_EN_PWROPT(dwc->hwparams.hwparams1)) {
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@ -161,6 +161,7 @@
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#define DWC3_GCTL_CORESOFTRESET (1 << 11)
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#define DWC3_GCTL_SCALEDOWN(n) ((n) << 4)
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#define DWC3_GCTL_SCALEDOWN_MASK DWC3_GCTL_SCALEDOWN(3)
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#define DWC3_GCTL_DISSCRAMBLE (1 << 3)
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#define DWC3_GCTL_DSBLCLKGTNG (1 << 0)
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