Re: [PATCH 3/3] net: dsa: microchip: implement KSZ87xx Module 3 low-loss cable errata

[Andrew Lunn]

> +	mutex_lock(&dev->alu_mutex);
> +
> +	ret = ksz_write8(dev, regs[REG_IND_CTRL_0], 0xA0);
> +
> +	if (!ret)
> +		ret = ksz_write8(dev, 0x6F, indir_reg);
> +
> +	if (!ret)
> +		ret = ksz_write8(dev, regs[REG_IND_BYTE], indir_val);
> +
> +	mutex_unlock(&dev->alu_mutex);

What address space are these registers in? Normally workarounds for a
PHY would be in the PHY driver. But that assumes the registers are
accessible from the PHY driver.

	   Andrew