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usb: dwc3: Use FIELD_MODIFY()

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Use FIELD_MODIFY() to remove open-coded bit manipulation.
No functional change intended.

Signed-off-by: Hans Zhang <18255117159@163.com>
Link: https://patch.msgid.link/20260430163919.47372-2-18255117159@163.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Hans Zhang 2026-05-01 00:39:14 +08:00 committed by Greg Kroah-Hartman
parent 5d928bd82c
commit 6dea5fcffb
1 changed files with 4 additions and 8 deletions
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12
drivers/usb/dwc3/core.c
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@ -425,8 +425,7 @@ static void dwc3_ref_clk_period(struct dwc3 *dwc)
}
reg = dwc3_readl(dwc, DWC3_GUCTL);
reg &= ~DWC3_GUCTL_REFCLKPER_MASK;
reg |= FIELD_PREP(DWC3_GUCTL_REFCLKPER_MASK, period);
FIELD_MODIFY(DWC3_GUCTL_REFCLKPER_MASK, &reg, period);
dwc3_writel(dwc, DWC3_GUCTL, reg);
if (DWC3_VER_IS_PRIOR(DWC3, 250A))
@ -456,12 +455,9 @@ static void dwc3_ref_clk_period(struct dwc3 *dwc)
decr = 480000000 / rate;
reg = dwc3_readl(dwc, DWC3_GFLADJ);
reg &= ~DWC3_GFLADJ_REFCLK_FLADJ_MASK
& ~DWC3_GFLADJ_240MHZDECR
& ~DWC3_GFLADJ_240MHZDECR_PLS1;
reg |= FIELD_PREP(DWC3_GFLADJ_REFCLK_FLADJ_MASK, fladj)
| FIELD_PREP(DWC3_GFLADJ_240MHZDECR, decr >> 1)
| FIELD_PREP(DWC3_GFLADJ_240MHZDECR_PLS1, decr & 1);
FIELD_MODIFY(DWC3_GFLADJ_REFCLK_FLADJ_MASK, &reg, fladj);
FIELD_MODIFY(DWC3_GFLADJ_240MHZDECR, &reg, decr >> 1);
FIELD_MODIFY(DWC3_GFLADJ_240MHZDECR_PLS1, &reg, decr & 1);
if (dwc->gfladj_refclk_lpm_sel)
reg |= DWC3_GFLADJ_REFCLK_LPM_SEL;