> +static void __i2c_dw_enable(struct dw_i2c_dev *dev, bool enable)
> +{
> +     int timeout = 100;
> +
> +     do {
> +             dw_writel(dev, enable, DW_IC_ENABLE);
> +             if ((dw_readl(dev, DW_IC_ENABLE_STATUS) & 1) == enable)
> +                     return;
> +
> +             usleep_range(25, 250);

This would wait 25ms max. Is there a timeout value specified in the docs?

> +     } while (timeout-- > 0);

while (timeout--)?

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