Re: [PATCH net-next v1 3/9] net: dsa: qca: ar9331: reorder MDIO write sequence

From: Andrew Lunn
Date: Sat Apr 03 2021 - 10:56:03 EST


Hi Oleksij

Maybe add a short comment about why the order is important.

> - ret = __ar9331_mdio_write(sbus, AR9331_SW_MDIO_PHY_MODE_REG, reg, val);
> + ret = __ar9331_mdio_write(sbus, AR9331_SW_MDIO_PHY_MODE_REG, reg + 2,
> + val >> 16);
> if (ret < 0)
> goto error;
>
> - ret = __ar9331_mdio_write(sbus, AR9331_SW_MDIO_PHY_MODE_REG, reg + 2,
> - val >> 16);
> + ret = __ar9331_mdio_write(sbus, AR9331_SW_MDIO_PHY_MODE_REG, reg, val);
> if (ret < 0)
> goto error;
>
> return 0;
> +
> error:
> dev_err_ratelimited(&sbus->dev, "Bus error. Failed to write register.\n");
> return ret;

With that:

Reviewed-by: Andrew Lunn <andrew@xxxxxxx>

Andrew





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> 2.29.2
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