POR_EN
reg_rmw(serdes_regs + PCSR_CPU_CTRL_OFFSET, POR_EN, POR_EN);
reg_rmw(serdes_regs + PCSR_CPU_CTRL_OFFSET, 0, POR_EN);
.val = POR_EN
POR_EN,
POR_EN,
.val = POR_EN,
[POR_EN] = REG_FIELD(SERDES_CTRL, 29, 29),
ret |= regmap_field_write(phy->fields[POR_EN], 0x1);
ret |= regmap_field_write(phy->fields[POR_EN], 0x0);