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usb: dwc3: dwc3-octeon: 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/20260430163919.47372-4-18255117159@163.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Hans Zhang 2026-05-01 00:39:16 +08:00 committed by Greg Kroah-Hartman
parent dd9bb349a0
commit b45172f4f6
1 changed files with 4 additions and 8 deletions
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12
drivers/usb/dwc3/dwc3-octeon.c
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@ -296,8 +296,7 @@ static int dwc3_octeon_setup(struct dwc3_octeon *octeon,
return div;
}
val = dwc3_octeon_readq(uctl_ctl_reg);
val &= ~USBDRD_UCTL_CTL_H_CLKDIV_SEL;
val |= FIELD_PREP(USBDRD_UCTL_CTL_H_CLKDIV_SEL, div);
FIELD_MODIFY(USBDRD_UCTL_CTL_H_CLKDIV_SEL, &val, div);
val |= USBDRD_UCTL_CTL_H_CLK_EN;
dwc3_octeon_writeq(uctl_ctl_reg, val);
val = dwc3_octeon_readq(uctl_ctl_reg);
@ -314,14 +313,11 @@ static int dwc3_octeon_setup(struct dwc3_octeon *octeon,
/* Step 5a: Reference clock configuration. */
val = dwc3_octeon_readq(uctl_ctl_reg);
val &= ~USBDRD_UCTL_CTL_REF_CLK_DIV2;
val &= ~USBDRD_UCTL_CTL_REF_CLK_SEL;
val |= FIELD_PREP(USBDRD_UCTL_CTL_REF_CLK_SEL, ref_clk_sel);
FIELD_MODIFY(USBDRD_UCTL_CTL_REF_CLK_SEL, &val, ref_clk_sel);
val &= ~USBDRD_UCTL_CTL_REF_CLK_FSEL;
val |= FIELD_PREP(USBDRD_UCTL_CTL_REF_CLK_FSEL, ref_clk_fsel);
FIELD_MODIFY(USBDRD_UCTL_CTL_REF_CLK_FSEL, &val, ref_clk_fsel);
val &= ~USBDRD_UCTL_CTL_MPLL_MULTIPLIER;
val |= FIELD_PREP(USBDRD_UCTL_CTL_MPLL_MULTIPLIER, mpll_mul);
FIELD_MODIFY(USBDRD_UCTL_CTL_MPLL_MULTIPLIER, &val, mpll_mul);
/* Step 5b: Configure and enable spread-spectrum for SuperSpeed. */
val |= USBDRD_UCTL_CTL_SSC_EN;