Re: [PATCH 2/2] net: macb: Add support for SiFive FU540-C000

From: Andrew Lunn
Date: Thu May 23 2019 - 10:57:15 EST


> +static int fu540_macb_tx_set_rate(struct clk_hw *hw, unsigned long rate,
> + unsigned long parent_rate)
> +{
> + rate = fu540_macb_tx_round_rate(hw, rate, &parent_rate);
> + iowrite32(rate != 125000000, mgmt->reg);

That looks odd. Writing the result of a comparison to a register?

Andrew