> +static int ar8xxx_set_pad_ctrl(struct dsa_switch *ds, int port, int mode)
> +{
> + int reg;
> +
> + switch (port) {
> + case 0:
> + reg = AR8327_REG_PORT0_PAD_CTRL;
> + break;
> + case 6:
> + reg = AR8327_REG_PORT6_PAD_CTRL;
> + break;
> + default:
> + pr_err("Can't set PAD_CTRL on port %d\n", port);
> + return -EINVAL;
> + }
> +
> + /* DSA only supports 1 CPU port for now, so we'll take the assumption
> + * that P0 is connected to the CPU master_dev.
> + */
I don't like this assumption. Hardware i have with Marvell switches
has the CPU connected to ports 5, or 6, or 0.
Calling dsa_upstream_port() will tell you which is the CPU port.
Andrew
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