struct phy_setting {
        int speed;
        int setting;
};

static const struct phy_setting settings[] = {
        {
                .speed = 0,
                .setting = 0,
        },
        {
                .speed = 0,
                .setting = 0,
        },
};

#define MAX_NUM_SETTINGS        (sizeof(settings) / sizeof(settings[0]))

static int phy_find_setting(int i, int speed)
{
        while (i < 2 && (settings[i].speed != speed))
                i++;

        if (i < 2)
                return 0;
        return 1;
}

static int phy_find_valid(int i, int features)
{
        while (i < MAX_NUM_SETTINGS && !(settings[i].setting & features))
                i++;

        return i < MAX_NUM_SETTINGS ? i : 1;
}

int phy_sanitize_settings(int speed, int features)
{
        return phy_find_valid(phy_find_setting(0, speed), features);
}